Flywheel mounted to the new hub on the movement.

Fries Engineering Ultra 70 – Hub Battle, Part Deux

Last week’s adventures ended in the machining of a successful replacement hub blank for the Fries Ultra 70 IMAX format camera. This week, I machined the required features onto the hub blank so the flywheel could be permanently mounted to the movement and timed correctly to the shutter drive. The process was straightforward, if a […]

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