Why did Holton do this? (and should I do it too?) Bookmark and Share

Why did Holton do this? (and should I do it too?)

Postby roweenie » Sat May 19, 2018 11:57 am

Image

I'm revisiting an older project of mine, and I've got new fresh tubing (the stuff I used back then was pretty beat), so I'd like to lengthen the tubing on top of the 4th valve circuit about 1.5" on each side.

Image
I suspect I already know the answer to the first half of my question (there may be more than one, actually!), but should I do it the same way, or should I have both outer tubes even and square on top?
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Re: Why did Holton do this? (and should I do it too?)

Postby the elephant » Sat May 19, 2018 1:18 pm

Perhaps that was the longest tube they could draw in-house? Or that tube + another one on the horn added up the the longest, leaving that short piece to make up for this? The 4th outer tube is the longest single piece of tubing on the horn.
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Re: Why did Holton do this? (and should I do it too?)

Postby windshieldbug » Sat May 19, 2018 1:26 pm

Are the ends even when the slide’s fully out, or are they offset by a similar amount?
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Re: Why did Holton do this? (and should I do it too?)

Postby roweenie » Sat May 19, 2018 1:31 pm

I suspect they did it for two reasons - 1, it doesn't leave a long, unprotected piece of tubing jutting out, and 2, it makes it easier to reach around (rather than over) and pull it out.

With that said, I've got tubing long enough to make them both equal length at the top - should I do it like that, or should I copy the Holton method?
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Re: Why did Holton do this? (and should I do it too?)

Postby bloke » Sat May 19, 2018 1:50 pm

I am not going to study your pictures before I post, so – as is often the case – my answer may be a nonsense answer... but sometimes, asymmetrical setups are put in place for hand position considerations.
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Re: Why did Holton do this? (and should I do it too?)

Postby roweenie » Sat May 19, 2018 2:04 pm

No bloke, I think you are spot on here.

I believe your answer hits the nail right on the head, as (at least for me with my short arms) it is easier to pull that slide from around the side, than from above.

This may be one of my personal hang-ups, but "longer-than-normal" ferrules scream "miscalculation of length"....but maybe not in this case? (or maybe I'm over thinking, yet again :cry: )
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Re: Why did Holton do this? (and should I do it too?)

Postby bort » Sat May 19, 2018 2:47 pm

I always thought that asymmetrical slides were done that way so you would always put it back in the right way. The (symmetrical) slides on my Willson have some factory "scratch" marks to indicate which is which...
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Re: Why did Holton do this? (and should I do it too?)

Postby roweenie » Wed May 23, 2018 11:32 am

Ok, so I did it (and I'm glad I did)-

Image

It actually makes grabbing that slide MUCH easier, either from above, or under the top bow (and it saved a little bit of VERY EXPENSIVE outer tubing for other uses.....!)

While I was at it, I realigned the valve nest, and re-tubed the 1st valve circuit to look more "Holton-ish".

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Re: Why did Holton do this? (and should I do it too?)

Postby Tubajug » Wed May 23, 2018 4:32 pm

Wow! Great looking horn! I assume you added the fifth valve?
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Re: Why did Holton do this? (and should I do it too?)

Postby roweenie » Wed May 23, 2018 11:57 pm

Yes, indeed
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Re: Why did Holton do this? (and should I do it too?)

Postby Rivercity Tuba » Tue May 29, 2018 2:22 am

Bob, you do beautiful work!
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Re: Why did Holton do this? (and should I do it too?)

Postby TubaSteve » Thu Sep 20, 2018 1:37 pm

I am not on here very often, as life has been so busy, but great to see the photo if this horn and Bob's workmanship. To think that this thing was literally headed to the scrap yard when I saw it and intervened! I said, "there is no way I am going to let this thing get destroyed!" When I ended up with two of these, I had Lee Stofer build one for me, and the other went to Bob. Lee did a wonderful job on mine, but unlike Bob's, mine was left as a three valve horn. Still a wonderful playing and sounding horn. Both horns have upright and recording bells.

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Re: Why did Holton do this? (and should I do it too?)

Postby bloke » Fri Sep 21, 2018 5:05 pm

The more I think about this, the more it occurs to me that the purpose of the design was to reduce the chance of accidentally pinching the fleshy part of the right side of the palm of the left hand.

Is that sensible to others?
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Re: Why did Holton do this? (and should I do it too?)

Postby roweenie » Fri Sep 21, 2018 7:36 pm

Seems as good an explanation as any other.....
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Re: Why did Holton do this? (and should I do it too?)

Postby TubaSteve » Wed Oct 10, 2018 1:03 am

Here's what Bob started with..... I really did find it just before it was going to be loaded on the truck to the recycling center.
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Re: Why did Holton do this? (and should I do it too?)

Postby bloke » Wed Oct 10, 2018 1:24 pm

roweenie wrote:You didn't say anything, but this is the only way I know to tag you in a public post.


:arrow: https://www.ebay.com/itm/holton-recording-tuba-bell/323491241032
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