Main Rotor System

Assembly

Stator Winding of a BLDC Motor.jpg · Commons ↗ Report photo

The lifting rotor: two composite blades held in pitch-articulating grips on a rotor head, spinning at 2,000-3,500 rpm.

Direct parts	6
Total parts	12
Used in	1 assembly
Class	Assembly

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The lifting rotor: two composite blades held in pitch-articulating grips on a rotor head, spinning at 2,000-3,500 rpm. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Rotor System parts and their functions

6 top-level parts · 12 parts in total · full bill of materials below

Main Rotor System parts diagram: 1 main rotor blade, 2 rotor head, 3 blade grip, 4 feathering shaft, 5 ball bearing, 6 head damper. 12 parts in 6 top-level items. — Main Rotor System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Main Rotor Blade	2×	Carbon/glass composite main blades
2	Rotor Head	1×	Rotor head block
3	Blade Grip	2×	Pitch-articulating blade grips
4	Feathering Shaft	1×	Feathering spindle through the head
5	Ball Bearing	4×	Grip and thrust bearings
6	Head Damper	2×	Elastomer head dampers

3D model

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Build & assembly graph

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Bill of materials for Main Rotor System

6 top-level lines · 6 rows shown · 12 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Main Rotor Blade	rc-helicopter-main-blade	2×	2	·	part
2	Rotor Head	rc-helicopter-rotor-head	1×	1	·	part
3	Blade Grip	rc-helicopter-blade-grip	2×	2	·	part
4	Feathering Shaft	rc-helicopter-feathering-shaft	1×	1	·	part
5	Ball Bearing	ball-bearing	4×	4	·	part
6	Head Damper	rc-helicopter-head-damper	2×	2	·	part

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Where the main rotor system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Toys, Games & Hobby 1 RC Helicopter

Used in 1 assembly

RC Helicopter

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Inovance inovance.com ↗	Shenzhen, CN	Drives & motion control	500 units	10–14 wks
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	500 units	10–14 wks
🇨🇳Broad-Ocean broad-ocean.com ↗	Zhongshan, CN	Electric motors	500 units	10–14 wks
🇸🇬Nidec (Singapore) nidec.com ↗	Singapore	Motors, regional ops	500 units	10–14 wks
🇮🇳Bosch India bosch.in ↗	Bengaluru, IN	Automotive components	500 units	10–14 wks