Pro Racing Chassis Design
Innovations, Evolution and Variations
Click on the individual items to see more information.
Please note this is a work in progress! Your patience is requested while I fill in all the items!
|
1963 |
| Drop arm |
|
1967 |
| Oilite axle bushings replace brass tube |
| Front wheel side play (Cukras slop) |
| Ball bearings on rear axle |
| Solid brass (slab type) drop arms |
| Guide tongue pickup mount |
| Rod and plate center section |
|
Sleeved front axle tube |
| Drop type front axle tube mount |
| Side pans (hinged body mounts) |
| Shaker tube body mount (F1 cars) |
|
1968 |
| Anglewinder drive |
| Side pan hanger cross bar |
| Stamped brass drop arms with guide tongue |
| Plumber hinge (mounted on chassis) |
| Puzzle Pan (shaker plate) design |
| Plumber hinge migrates to drop arm |
|
1969 |
| Low profile pickup guide (Jet Flag) |
| Piano wire supplants brass rod |
| Half-rail (no motor box) chassis architecture |
| Can drive motor mount becomes standard design |
| Bronze 64 pitch gears |
|
1970 |
| 3/32" axles |
|
1971 |
| "Classic" pro-car evolution complete |
|
1973 |
| Tripod front wheel suspension (drop arm gone) |
| Front wheels become non-functional appendages |