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Size of 16M Neckpipe
Posted: Sat Sep 16, 2023 6:52 pm
by ngrinder
I’m building up a bell section, and looking to have a 16M sized goose neck installed, but my tech isn’t sure of the dimensions.
Does anyone have this info? Thanks in advance!
Re: Size of 16M Neckpipe
Posted: Sat Sep 16, 2023 6:58 pm
by Kbiggs
Brad Close might know. I believe he still creates neckpipes for this and other horns. I can’t remember his handle on this forum…
Re: Size of 16M Neckpipe
Posted: Sat Sep 16, 2023 7:02 pm
by Doug Elliott
I have measurements of .509 ID at the bottom to .555 ID at the top. Add about .030 to .032 for the OD.
I suspect that horn was from the '80's, probably after they changed and made it bigger, but I'm not sure.
Re: Size of 16M Neckpipe
Posted: Sat Sep 16, 2023 10:35 pm
by ngrinder
Thanks Doug and Kenneth. I’ve asked around, and am hopeful a few more folks will chime in. I’ll have my 12 measured against those numbers you have, Doug. I bet you’re correct.
Re: Size of 16M Neckpipe
Posted: Sun Sep 17, 2023 1:24 am
by ithinknot
Doug is right about the IDs, but the wall thicknesses are higher - more like .020", so ID +.040.
Both pipes end up around 19/32 OD, .555 ID. The "open" starts at .509 ID, the original 8/12/16 starts at .490.
OAL varies slightly, but around 8.25.
Re: Size of 16M Neckpipe
Posted: Sun Sep 17, 2023 1:26 am
by Posaunus
Kbiggs wrote: ↑Sat Sep 16, 2023 6:58 pm
Brad Close might know. I believe he still creates neckpipes for this and other horns. I can’t remember his handle on this forum…
brassmedic
Re: Size of 16M Neckpipe
Posted: Sun Sep 17, 2023 8:22 am
by ngrinder
ithinknot wrote: ↑Sun Sep 17, 2023 1:24 am
Doug is right about the IDs, but the wall thicknesses are higher - more like .020", so ID +.040.
Both pipes end up around 19/32 OD, .555 ID. The "open" starts at .509 ID, the original 8/12/16 starts at .490.
OAL varies slightly, but around 8.25.
Thank you!
Re: Size of 16M Neckpipe
Posted: Sun Sep 17, 2023 4:47 pm
by pedrombon
Regarding the neckpipes... on the 42 straight horns, does anyone know the measurements of the stock ones vs."M" (open) neckpipes?