What is this piston from?
Posted: Sat Mar 01, 2025 2:19 pm
I have a spare piston. What is it? Reynolds? Bore is about .68x-something verging onto .69x with my crappy calipers.
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What is this piston from?
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Re: What is this piston from?
Posted: Sat Mar 01, 2025 2:27 pm
I'm going to say conn, but the button is different. The valve cap itself looks identical to my 1903 Eb I had
Re: What is this piston from?
Posted: Sat Mar 01, 2025 2:30 pm
The finger button is absolutely Reynolds but the rest of it doesn't look like anything I'm familiar with made in the United States
Re: What is this piston from?
Posted: Sat Mar 01, 2025 3:24 pm
As Bloke said, finger button is Reynolds. The rest may be Frankenpiston (ie I have no idea).
Re: What is this piston from?
Posted: Sat Mar 01, 2025 5:41 pm
Looks a lot like the ones on my Holton Collegiate Sousaphone. I can do a better comparison when I am home tonight.
Here's one in reverb... but it is hard to zoom in.
https://reverb.com/item/37249961-holton ... phone-1957
Edit: Here is mine... The bore is a match and so are the looks. The 1 and 2 finger buttons are original.. I lost 3 at a gig and that was just one I found to fit
Here's one in reverb... but it is hard to zoom in.
https://reverb.com/item/37249961-holton ... phone-1957
Edit: Here is mine... The bore is a match and so are the looks. The 1 and 2 finger buttons are original.. I lost 3 at a gig and that was just one I found to fit
Re: What is this piston from?
Posted: Sun Mar 02, 2025 8:16 am
That makes sense because Holton and Reynolds are both SAE 8-32. I've never had a Collegiate in the shop - only a top line Holton, so I wasn't able to recognize those caps. There are European instruments with caps that look very similar.
By the way, my name is not From.
By the way, my name is not From.