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OldSchoolEuph
Heavyweight Member
Joined: 07 Apr 2012
Posts: 2440
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 Posted: Wed Jul 15, 2020 11:19 am Post subject: |
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| Croquethed wrote: | All my horns are Getzens. i bought 'em, I oiled 'em. I played 'em.
No problem. |
Getzen hand laps every horn. Makes for looser but more forgiving valves that will typically continue to perform reasonably if break-in is ignored (though it probably opens the tolerance a little more in the process). Its a trade-off of less tight valves for ease of ownership up front and reduced odds of something going wrong in break-in. (Personally, I like tight valves though and am willing to work for them - my best Getzen needs a diaper for its drippy over-gapped valves).
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Ron Berndt
www.trumpet-history.com
2017 Austin Winds Stage 466
1962 Mt. Vernon Bach 43
1954 Holton 49 Stratodyne
1927 Conn 22B
1957 Holton 27 cornet
1985 Yamaha YEP-621
1975 Yamaha YEP-321 Custom
1965 Besson Baritone
1975 Olds Recording R-20 |
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Getzen
Heavyweight Member
Joined: 25 Feb 2004
Posts: 1918
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| Posted: Wed Jul 15, 2020 7:05 pm Post subject: |
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This is the second time you have referenced our hand lapped valves being loose. I don’t know how many pistons you have lapped, but proper lapping does not equal loose pistons. I won’t get into to every detail, but every step along the way of crafting a piston is intended to reach the proper size at the end. The piston blank OD, piston turning, plating layer, honing, and lapping. All of our trumpets are air tested at the end of the line to ensure the tightest fit possible. Well that’s not entirely true, we have made them tighter. So tight in fact that oiling them caused them to stick. There was enough space between the piston and the casing for the oil.
I think our piston’s reputation speaks for itself.
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Brett Getzen
President
Getzen Company
Follow Getzen on:
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If you have a question please feel free to email me at brett@getzen.com. |
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Croquethed
Heavyweight Member
Joined: 19 Dec 2013
Posts: 612
Location: Oakville, CT
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| Posted: Thu Jul 16, 2020 6:45 am Post subject: |
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Like I do with my cars, I just followed my owner's manual. No mention of borderline OCD cleaning.
Any oil/water that escaped via the bottom caps I analyzed down to two factors: over-oiling and not screwing the caps on snugly enough. No diapers needed. |
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