A client asked me to inspect 2 more Fries 15-perf pull-across 3×65 IMAX-format movements. At first, this looked like it would be a simple project as I rebuilt a similar movement to these recently. However, no simple repair is ever as simple as it seems, and during my initial examination of the first of these […]
I have shown you my recent work repairing the Fries Ultra 70 3×65 IMAX format camera. The owner of this camera doesn’t have lenses that were made specifically for it, but it occurred to me that the lenses that were built for the CP65 Showscan cameras “might” work in this situation. This week I experimented
A Lens Mount Experiment Read More »
And so we come to the end of my project repairing the Fries Engineering Ultra 70 3×65 IMAX-format camera. This project was quite challenging. Coming up with retrofit parts that would preserve the function and integrity of the movement, but still be serviceable in the future, required a lot of careful thought and planning. Because
Fries Ultra 70 3×65 Camera – Back in Action! Read More »
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
Fries Engineering Ultra 70 – Hub Battle, Part Deux Read More »
This week I continued work on the Fries Ultra 70 IMAX format camera. It was mainly a week of head scratching, doodles, starting over, and eventually creating successful parts. As I mentioned last week, my plan is to machine a new flywheel hub that will attach to the movement using the remaining threads on the
Fries Engineering Ultra 70 – Honing in on a New Hub Read More »
Back in March 2021, I had a chance to evaluate the Fries Engineering version of the IMAX camera to diagnose why it had stopped working. The immediate problem was pretty straight forward: There is a flywheel that is part of the movement, but that also acts as a coupler between the movement and the shutter
Fries Engineering Ultra 70 Read More »
