I just got a set of brass screws and when I install them on the ring gear they barely make the other side ,
Question is, did I get a bad repro part or do I cut the starting gear deeper so I can peen them
Thank you ,lorenzo
I am using the repro gear and the right screw for it , I do not use the magneto, is there a screw that I can use , stainless or steel substitute?
Lorenzo, if they come flush you should be able to take a small center punch and stake them in about three places and should hold. I always do this instead of peening them over. KGB
At my age, I've unhooked a fair number of bras, but never encountered one fastened with screws....
(Sorry. Couldn't resist. Back to your regular programming.)
Be sure you have the proper brass screws.
If the ring gear is a new reproduction, you must use the reproduction screws made special, modern 1/4" x 14 thread.
If you are reusing an original ring gear, you must use original #14 x 24 thread which is an obsolete thread. Only NOS or screws made to original thread form will work.
This is what happens with original #14 x 24 brass screws in a reproduction new ring gear, won't fit all the way, and threads get chewed up and stick before entering all the way through the new ring gear.
I think the photo will show how Keith Barrier "stakes" the screws.
Keith knows magnetos. He was our main guide at the Magneto University several years ago.
Are the repro gear screws 1/4 x 14 or 1/4 x 24? In either case it's a non standard screw thread. The number 14 x 24 is rare these days but it is a standard thread.
Originals are #14x24; repros are 1/4"x24.
Ill have to peen them with a center punch like KGB recommends, If I find regular steel bolts the same size with a countersunk head ill use them instead ,I am not using the mag. just the magnets
Thank you all ,You guys are great
Happy thanksgiving to all...lorenzo
I suggest you not use any ferrous materiel.
Ron the Coilman
Ron - Just curious as to why?
If using the magnets for generating electricity, brass would be the only right choice, but Lorenzo isn't planning to use the magneto.
For holding the ring gear without any magnets I used M6 steel bolts since they almost fit and the difference between the 24 tpi in the flywheel tread and the 25.4 tpi in the M6 bolts made the bolts stick in place after just going through the flywheel so staking was almost unneeded.
Ferrous screws would. Interfere with the electromagnetic coupling of the magnets. This is why the magnet spools are Aluminum and the clamp screws are Brass.
Ron the Coilman
we sell the original thread screws, Bob
Ron - Perfect sense for those using magnets. I just didn't see a problem for those who prefer to build a motor without them like Lorenzo.