Tech-dat/acturator-dat/propeller-dat/propeller-dat.md
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-
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-# propeller-dat
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-
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-- [[RC-kits-dat]]
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-
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-
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-- [[pump-dat]] - [[pump-jet-dat]] - [[propeller-dat]]
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-
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-
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-## 共轴双桨
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-
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-DZP30共轴双桨无刷电机30克无反扭对转马达F3P 送双桨厂
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-
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-
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-## propeller options
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-
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-![](2025-09-13-13-55-01.png)
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-
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-![](2025-09-13-13-56-08.png)
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-
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-
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-
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-## Ground Effect
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-
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-- When quad is close to surface → prop wash bounces air → airflow becomes turbulent
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-- Creates unstable lift → drift or wobble sideways
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-
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-→ **PID Sensitivity**
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-- Too high P/D gains → overreact in turbulence
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-- Too low I gain → can't hold position → drift
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-
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-→ **Throttle Resolution**
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-- Small throttle change indoors = big lift difference
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-- Harder to keep steady near ground
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-
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-
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-
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-## prop wash
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-
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-### 📌 What is Prop Wash?
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-
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-- Prop wash is the **turbulent/dirty air** created by a drone’s propellers.
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-- When the drone flies into this disturbed airflow, the flight controller struggles to stabilize, causing:
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- - Wobbles
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- - Vibrations
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- - Shaky footage
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-
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-
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-### 🔍 Typical Signs
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-- Shaking after a quick throttle drop → sudden throttle punch.
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-- Jitter when coming out of sharp turns.
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-- Visible oscillations in blackbox logs.
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-
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-
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-
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-## the number of the propeller
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-
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-# Propeller Blade Count vs Flight Stability in FPV Drones
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-
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-## 1. Two-Blade (2-blade)
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-- **Pros:** Very efficient, longer flight time, strong thrust
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-- **Cons:** More vibration, noisier, less stable control
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-- **Best for:** Outdoor speed, racing, long endurance
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-
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-## 2. Three-Blade (3-blade)
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-- **Pros:** Good balance of thrust and efficiency, faster response, more stable than 2-blade
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-- **Cons:** Slightly less efficient, shorter flight time than 2-blade
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-- **Best for:** Freestyle, cinewhoop, general indoor/outdoor flying
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-
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-## 3. Four-Blade (4-blade) / Five-Blade (5-blade)
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-- **Pros:** Very stable, smoother at low speed, softer noise, excellent control
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-- **Cons:** Less efficient, drains battery faster, noticeably shorter flight time
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-- **Best for:** Indoor FPV (Tiny Whoops), precise control, stable video shooting
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-
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----
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-
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-# Indoor Recommendation
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-- **Best choice:** 3-blade or 4-blade props
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-- **Why:**
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- - Indoor space is small → low speed stability and smooth control are more important
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- - 4-blade or 5-blade props give “stickier” control indoors, easier to hover and move slowly
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- - 3-blade is a good compromise between stability and efficiency
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-
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-👉 Summary:
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-- **Indoor practice / fun:** Use **4-blade** (better stability & control)
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-- **Mixed indoor/outdoor:** Use **3-blade** (balanced performance)
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-
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-
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-
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-
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-## 2023
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-
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-Type(型号)2023
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-Blades(桨叶数)3
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-Pitch(螺距)2.3in
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-Material (材质)PC
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-Weight / g(重量/G)0.88g
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-Center Hole Inner diameter(中心子内径)1.5mm、1mm
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-Prop DiskDiameter(桨盘直径)52.2mm
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-CenterThickness(中心厚度)5mm
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-MaxProp Width(最大桨叶宽度)8.94mm
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-Adaptive Motor(适配马达)1105-1108
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-
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-乾丰2023三叶（4对）
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-
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-EX1103 KV11000【CW黑线带红点】
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-
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-
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-## HQProp DT2925 五叶桨 DJI AVATA穿越机FPV无人机桨叶螺旋桨
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-
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-型号：2.9X2.5X5
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-长度:2.9英寸
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-螺距：2.5英寸
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-叶片：5片
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-材质:PC
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-重量：2.2G
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-桨盘直径:10.6mm
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-桨盘厚度：5.3mm
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-轴：2.3/2/2.3mm
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-适配器：无
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-
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-
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-## Gemfan 乾丰2925 5叶 FPV穿越机螺旋桨3寸桨叶 适配大疆AVATA机子
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-
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-Gemfan2925-5
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-尺寸：2.9 in螺距：2.5in
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-材质：pc重量：2.4g（单支）
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-中心安装孔径：2mm螺丝固定孔距：5mm
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-颜色：透灰，猛男粉，荧光黄
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-推荐电机：DJIAVATA/1507/2004
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-起飞重量：400g
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-包装方式：2CW+2CCW
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-
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-
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-
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-
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-## Correct setup
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-
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-![](2025-09-02-22-39-21.png)
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-
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-## WRONG SETUP
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-![](2025-09-02-13-09-57.png)
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-
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-
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-
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-
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-## boat propeller
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-
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-- [[rc-boat-dat]]
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-
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-![](2025-12-04-00-15-42.png)
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-
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-
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-## ref
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-
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-- [[propeller]]
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-
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-- [[SCU1059-dat]]
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-
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-- [[FPV-dat]]
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-
1
+
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+# propeller-dat
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+
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+
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+- [[propeller-toy-boat-dat]] - [[propeller-dat]] - [[rc-boat-dat]] - [[acturator-dat]]
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+
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+
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+
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+- [[RC-kits-dat]]
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+
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+
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+- [[pump-dat]] - [[pump-jet-dat]] - [[propeller-dat]]
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+
14
+
15
+## 共轴双桨
16
+
17
+DZP30共轴双桨无刷电机30克无反扭对转马达F3P 送双桨厂
18
+
19
+
20
+## propeller options
21
+
22
+![](2025-09-13-13-55-01.png)
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+
24
+![](2025-09-13-13-56-08.png)
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+
26
+
27
+
28
+## Ground Effect
29
+
30
+- When quad is close to surface → prop wash bounces air → airflow becomes turbulent
31
+- Creates unstable lift → drift or wobble sideways
32
+
33
+→ **PID Sensitivity**
34
+- Too high P/D gains → overreact in turbulence
35
+- Too low I gain → can't hold position → drift
36
+
37
+→ **Throttle Resolution**
38
+- Small throttle change indoors = big lift difference
39
+- Harder to keep steady near ground
40
+
41
+
42
+
43
+## prop wash
44
+
45
+### 📌 What is Prop Wash?
46
+
47
+- Prop wash is the **turbulent/dirty air** created by a drone’s propellers.
48
+- When the drone flies into this disturbed airflow, the flight controller struggles to stabilize, causing:
49
+ - Wobbles
50
+ - Vibrations
51
+ - Shaky footage
52
+
53
+
54
+### 🔍 Typical Signs
55
+- Shaking after a quick throttle drop → sudden throttle punch.
56
+- Jitter when coming out of sharp turns.
57
+- Visible oscillations in blackbox logs.
58
+
59
+
60
+
61
+## the number of the propeller
62
+
63
+# Propeller Blade Count vs Flight Stability in FPV Drones
64
+
65
+## 1. Two-Blade (2-blade)
66
+- **Pros:** Very efficient, longer flight time, strong thrust
67
+- **Cons:** More vibration, noisier, less stable control
68
+- **Best for:** Outdoor speed, racing, long endurance
69
+
70
+## 2. Three-Blade (3-blade)
71
+- **Pros:** Good balance of thrust and efficiency, faster response, more stable than 2-blade
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+- **Cons:** Slightly less efficient, shorter flight time than 2-blade
73
+- **Best for:** Freestyle, cinewhoop, general indoor/outdoor flying
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+
75
+## 3. Four-Blade (4-blade) / Five-Blade (5-blade)
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+- **Pros:** Very stable, smoother at low speed, softer noise, excellent control
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+- **Cons:** Less efficient, drains battery faster, noticeably shorter flight time
78
+- **Best for:** Indoor FPV (Tiny Whoops), precise control, stable video shooting
79
+
80
+---
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+
82
+# Indoor Recommendation
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+- **Best choice:** 3-blade or 4-blade props
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+- **Why:**
85
+ - Indoor space is small → low speed stability and smooth control are more important
86
+ - 4-blade or 5-blade props give “stickier” control indoors, easier to hover and move slowly
87
+ - 3-blade is a good compromise between stability and efficiency
88
+
89
+👉 Summary:
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+- **Indoor practice / fun:** Use **4-blade** (better stability & control)
91
+- **Mixed indoor/outdoor:** Use **3-blade** (balanced performance)
92
+
93
+
94
+
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+
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+## 2023
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+
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+Type(型号)2023
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+Blades(桨叶数)3
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+Pitch(螺距)2.3in
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+Material (材质)PC
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+Weight / g(重量/G)0.88g
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+Center Hole Inner diameter(中心子内径)1.5mm、1mm
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+Prop DiskDiameter(桨盘直径)52.2mm
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+CenterThickness(中心厚度)5mm
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+MaxProp Width(最大桨叶宽度)8.94mm
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+Adaptive Motor(适配马达)1105-1108
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+
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+乾丰2023三叶（4对）
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+
111
+EX1103 KV11000【CW黑线带红点】
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+
113
+
114
+## HQProp DT2925 五叶桨 DJI AVATA穿越机FPV无人机桨叶螺旋桨
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+
116
+型号：2.9X2.5X5
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+长度:2.9英寸
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+螺距：2.5英寸
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+叶片：5片
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+材质:PC
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+重量：2.2G
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+桨盘直径:10.6mm
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+桨盘厚度：5.3mm
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+轴：2.3/2/2.3mm
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+适配器：无
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+
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+
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+## Gemfan 乾丰2925 5叶 FPV穿越机螺旋桨3寸桨叶 适配大疆AVATA机子
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+
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+Gemfan2925-5
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+尺寸：2.9 in螺距：2.5in
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+材质：pc重量：2.4g（单支）
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+中心安装孔径：2mm螺丝固定孔距：5mm
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+颜色：透灰，猛男粉，荧光黄
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+推荐电机：DJIAVATA/1507/2004
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+起飞重量：400g
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+包装方式：2CW+2CCW
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+
139
+
140
+
141
+
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+## Correct setup
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+
144
+![](2025-09-02-22-39-21.png)
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+
146
+## WRONG SETUP
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+![](2025-09-02-13-09-57.png)
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+
149
+
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+
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+
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+## boat propeller
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+
154
+- [[rc-boat-dat]]
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+
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+![](2025-12-04-00-15-42.png)
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+
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+
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+## ref
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+
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+- [[propeller]]
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+
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+- [[SCU1059-dat]]
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+
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+- [[FPV-dat]]
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+
162 167
- [[acturator]]
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\ No newline at end of file
Tech-dat/acturator-dat/propeller-dat/propeller-toy-boat-dat/propeller-toy-boat-dat.md
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+
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+
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+# propeller-toy-boat-dat
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+
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+- [[propeller-toy-boat-dat]] - [[propeller-dat]] - [[rc-boat-dat]] - [[acturator-dat]]
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+
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+The propellers for Remote Control (RC) toy boats are primarily determined by two core parameters: **Diameter** and **Pitch**. Understanding these two parameters is crucial for optimizing the boat's speed and protecting the electronics.
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+
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+When designing or modifying a boat's power system, it's much like calculating gear ratios and wheel diameters for a wheeled vehicle—the propeller size must perfectly match the motor's KV rating and the Electronic Speed Controller's (ESC) power capacity. Otherwise, it is very easy to burn out the hardware due to excessive load and current spikes.
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+
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+Here is a detailed breakdown of the relationship between size and speed:
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+
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+### 1. Common Propeller Sizes
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+Propeller sizes are usually denoted by "Diameter" or "Pitch Ratio × Diameter" (e.g., 35mm or 1.4×35).
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+
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+* **Micro toy boats:** Diameter usually ranges from 15mm - 25mm.
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+* **Common racing boats (e.g., tens of centimeters long):** Diameter is mostly 30mm - 45mm.
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+* **Large/Custom power boats:** Diameter can reach 50mm - 70mm or more.
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+* **Shaft Diameter:** When purchasing, you also need to note the diameter of the center hole. Common motor shaft/drive shaft diameters are 3mm, 3.18mm (1/8 inch), 4mm, and 4.76mm (3/16 inch).
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+
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+### 2. How Does Size Affect Speed?
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+
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+The impact of the propeller on speed is a physical process that requires balancing **thrust, speed, and motor load**.
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+
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+**1. Impact of Diameter**
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+
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+Diameter refers to the width of the circle drawn by the propeller when it rotates.
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+* **Speed and Thrust:** The larger the diameter, the more water is displaced per revolution, providing greater thrust (water grip). Assuming the motor has sufficient performance, a larger diameter means a higher top speed and better acceleration.
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+* **Side Effects (Load):** For every slight increase in diameter, the demand for motor torque rises exponentially. If you forcefully put a large prop on a small motor (commonly known as "overloading"), the motor's RPM will be severely dragged down, leading to a massive increase in heat, which may eventually burn out the motor or the ESC.
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+
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+**2. Impact of Pitch**
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+
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+Pitch refers to the theoretical distance the propeller would advance forward in one revolution under ideal conditions (no slip). It is often expressed as a "Pitch Ratio" (Pitch / Diameter), with common ratios ranging from 1.2 to 1.6.
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+* **High Pitch (e.g., 1.6):** Yields a higher theoretical top speed. However, it struggles to "grip" the water at low speeds, resulting in slower off-the-line acceleration. It also significantly increases the current load on the motor.
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+* **Low Pitch (e.g., 1.2):** Provides great off-the-line explosive power, fast acceleration, lighter motor load, and lower heat generation, but the ultimate top speed is lower.
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+
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+**3. Number of Blades: Two-Blade vs. Three-Blade Propellers**
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+
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+* **Two-Blade Propellers:** Lowest resistance and highest efficiency. They typically achieve the highest top speed and are the standard setup for racing boats.
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+* **Three-Blade Propellers:** Smoother operation, better off-the-line acceleration, and stronger water grip due to the extra blade. However, water drag is slightly higher at high speeds, so the top speed is usually slightly inferior to a two-blade prop of the exact same size.
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+
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+---
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+
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+To help you visualize how these parameters interact, here is the interactive simulator code to calculate the theoretical speed and motor load based on your inputs:
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+
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+```json?chameleon
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+{"component":"LlmGeneratedComponent","props":{"height":"600px","prompt":"Objective: Create an interactive RC boat propeller simulator to visualize the relationship between diameter, pitch, motor RPM, and the resulting speed and motor load.\n\nData State:\ninitialValues: {\n diameter: 35,\n pitchRatio: 1.4,\n motorRpm: 25000\n}\n\nStrategy: Standard Layout.\n\nInputs:\n1. Slider for 'Propeller Diameter' ranging from 20 to 60 mm.\n2. Slider for 'Pitch Ratio' ranging from 1.0 to 1.8.\n3. Slider for 'Motor RPM' ranging from 10000 to 50000 RPM.\n\nBehavior:\n- Calculate 'Theoretical Speed': Speed (km/h) is roughly (Diameter * Pitch Ratio * Motor RPM * 60) / 1000000. Display this prominently.\n- Calculate 'Motor Load': Load is proportional to (Diameter^3 * Pitch Ratio * Motor RPM^2). Normalize this to a 0-100% scale based on the maximum possible slider values.\n- Display a visual gauge or progress bar for 'Motor Load'. As the load exceeds 75%, change the visual indicator to warn of 'Overheating Risk'.\n- Display a bar for 'Hole-shot Acceleration': Higher diameter and lower pitch ratio yield better acceleration. Higher pitch ratio decreases this score.\n- Ensure all text, labels, and warnings are in English.","id":"im_c21c8d50ea5cccb3"}}
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+
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+
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+
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+## ref
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+
app-dat/RC-apps-dat/rc-Marine-vehicle-dat/rc-boat-dat/rc-boat-dat.md
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@@ -1,6 +1,12 @@
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# rc-boat-dat
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+
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+- [[propeller-toy-boat-dat]] - [[propeller-dat]] - [[rc-boat-dat]] - [[acturator-dat]]
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+
7
+
8
+
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+
4 10
- [[rc-boat-accessories-dat]] - - [[rc-boat-accessories]]
5 11
6 12
- [[pump-dat]] - [[pump-jet-dat]] - [[propeller-dat]]