BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Landing Gear

Assembly

Retractable single main wheel sprung on a coil spring, plus tail wheel. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Landing Gear parts and their functions

4 top-level parts · 16 parts in total · full bill of materials below
Landing Gear parts diagram: 1 wheel assembly, 2 coil spring, 3 gear retract mechanism, 4 tail wheel. 16 parts in 4 top-level items.
Landing Gear parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Wheel Assembly 5 parts 1× retractable main wheel
2 Coil Spring 1× main-gear shock spring
3 Gear Retract Mechanism 3 parts 1× Overcentre linkage retracting the main wheel into the fuselage.
4 Tail Wheel 2 parts 1× Small sprung tail wheel steered with the rudder.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Landing Gear

4 top-level lines · 14 rows shown · 16 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Wheel Assembly 5 parts wheel-assembly 1× 1 9 assembly
1.1 Alloy Wheel alloy-wheel 1× 1 · part
1.2 Tire tire 1× 1 · part
1.3 TPMS Sensor tpms-sensor 1× 1 · part
1.4 Lug Nut lug-nut 5× 5 · part
1.5 Valve Stem valve-stem 1× 1 · part
2 Coil Spring coil-spring 1× 1 · part
3 Gear Retract Mechanism 3 parts sailplane-glider-retract-mechanism 1× 1 4 assembly
3.1 Bellcrank sailplane-glider-bellcrank 1× 1 · part
3.2 Linkage Pushrod sailplane-glider-pushrod 1× 1 · part
3.3 Ball Bearing ball-bearing 2× 2 · part
4 Tail Wheel 2 parts sailplane-glider-tail-wheel 1× 1 2 assembly
4.1 Tire tire 1× 1 · part
4.2 Ball Bearing ball-bearing 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the landing gear is used

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

Used in 1 assembly

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 $1–$300. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Sona Comstar
sonacomstar.com ↗
Gurugram, IN EV driveline & motors 1,000 pcs 8–12 wks
shdrive.cn ↗ Yuhuan, CN Gears & driveline 1,000 pcs 8–12 wks
🇮🇳Bharat Gears
bharatgears.com ↗
Mumbai, IN Automotive gears 1,000 pcs 8–12 wks
🇮🇳ZF India
zf.com ↗
Pune, IN Driveline & chassis 1,000 pcs 8–12 wks
advancegroup.cn ↗ Hangzhou, CN Gearboxes 1,000 pcs 8–12 wks