DIY Upgraded Drive Shaft With Propeller Universal Joint Kit For RC Boats, 300mm Driveshaft, 250mm Sleeve, 36mm Diameter, Stainless Steel 2 Blade Propeller, Fits 4mm Motor Shaft RC Boat Coupler Kit
✔️ Stainless 300mm shaft, 4mm dia, 36mm blade; pack: 1 kit
This drive shaft with propeller universal joint kit is designed for RC boats, submarines, and model watercraft. It’s ideal for upgrading, repairing, or customizing hobby vessels and professional models that use a 4 mm motor shaft.
✅ Propeller bushing size 9.84 x 0.35 in (250 x 9 mm); shaft 11.81 x 0.16 in (300 x 4 mm); blade diameter 1.42 in (36 mm); connector 0.16 in (4 mm); includes 1 propeller kit and 1 hex wrench.
✅ Drive shaft made of premium stainless steel for high strength and corrosion resistance.
✅ Grooves at both ends for easy fixing of propeller fork and connector to avoid stripping.
✅ Length guidance: motor shaft to stern distance plus about 5 cm ensures proper fit.
✅ Regular inspection advised as seawater exposure can wear propeller; check for debris and damage.
💡 What is a drive shaft with universal joint kit used for in RC boats and how does it improve performance? This handy upgrade helps power transfer smoothly and boosts propulsion efficiency. - High-strength stainless steel shaft resists wear and corrosion - Precision 4 mm universal joint keeps alignment solid during fast runs - 36 mm propeller diameter provides strong thrust for mid-size models - Includes essentials for easy DIY installation