AUSTIN
AUSTIN
Chassis number: 1409
Running number: 47
First race: Tieton 2015
Part of The Great Austin Seven Build-off.
Heavily revised in 2016. Revisions noted in brackets.
DESCRIPTION
Engine: Motenergy ME0708 PMDC [Goldenmotor 5KW BLDC]
Batteries: 48V LiFe pack with cell balancers [48V LiFePO4 20AH battery pack with integrated BMS]
Controller: Alltrax SPM [200A Sine Wave]
Transmission: None, #40 chain. 12T - 60T ratio.
Brakes: 8” disk on left side of rear axle controlled by foot.
Wheels: Vietnamese Honda type clones. 17x140. Front wheels used in front. Rear wheels used in rear. Mini-hub type “sandwich” approach on rear hubs.
Tires front and rear: 2.50 Michelin Gazelles front/ 2.50 Cheng ShinTrials rear.
Front suspension: Transverse leaf.
Steering: Worm and sector from riding mower. [Angle gear - relocated]
Rear suspension: Rigid.
Drive: Live axle/ one wheel drive (choice).
Frame: Steel.
Bodywork: Mostly fabric on wood framework (think model airplane construction). Aluminum bonnet. Fiberglas radiator shell.
DIMENSIONS
Wheelbase: 65 1/2”
Ground clearance: 6”
Front track: 36 1/2”
Rear track: 33”
Overall length: 93”
Body width: 26”
Height: 33”
Weight: 275 lbs
Complete driving chassis 249 lbs, leather seat cushion 3 lbs, removable bodywork 23 lbs
1923 Austin Seven “Boulogne”