1919 OHC Excelsior Boardtracker

Handbuilt race bike from 1919...
81 Pins20 Followers
We want a Motoped. A custom frame for all the things you weren't using anyway.

We want a Motoped. A custom frame for all the things you weren't using anyway. this one's for Isaac

Mocking up the bevel drive.

Mocking up the bevel drive.

Barrels on crankcase.

Barrels on crankcase.

Excelsior Mockup @ Davenport.

Excelsior Motorcycles - USA: A 1919 Excelsior board track racer

Ten pairs of Boardtracker rear dropouts.

Ten pairs of Boardtracker rear dropouts.

Machining off the stock crankcase castings.

Machining off the stock crankcase castings.

Initial design of the bevel chest.

Initial design of the bevel chest.

Machining the rear hub.

Machining the rear hub.

Drilling the spoke holes.

Drilling the spoke holes.

Rear hub for Mockup Bike.

Rear hub for Mockup Bike.

Combustion chamber parts.

Combustion chamber parts.

Combustion chamber mockups.

Combustion chamber mockups.

Seat base mold / seat base.

Seat base mold / seat base.

Mockup head and cam tower.

Mockup head and cam tower.

Copper head gaskets water jet cut.

Copper head gaskets water jet cut.

Pinterest
Search