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Old 1st April 2013, 09:04 AM   #21
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Good luck. I have the same grand plan. So far I have only made small 1Khz horns, I have some European Oak and some American Cherry just waiting to be glued up and turned into something larger.
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Old 1st April 2013, 10:42 AM   #22
djn is offline djn  United States
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If I get it set up right, I can turn a horn with a mouth opening of 84" I think it would take a week or two just to hog out the inside. But I will start with a 1khz horn as you did.
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Old 1st April 2013, 10:44 AM   #23
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I have been looking for a shop press to use as a glue up station. It would be a lot easier to use one shop press then handfuls of clamps.
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Old 1st April 2013, 11:03 AM   #24
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Originally Posted by ODougbo View Post
How are you going convert to 3-phase?
Steinmetz circuit? Steinmetzschaltung ? Wikipedia
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Old 1st April 2013, 11:09 AM   #25
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You definitely wouldn't make a 84" horn from solid, I was looking at compound turning, joining lots of mitred bits together, far more efficient use of wood. Or have them like staves of a barrel, requires far more complex geometry and accuracy. I need to get my ones glued up...


If you find any tips please let me know
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Old 1st April 2013, 12:20 PM   #26
djn is offline djn  United States
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Wouldn't that be something to turn an 84" horn. I don't think I'd be tackling that too soon. Yes, most of the horns will have to be glue ups. I could turn them out of solid logs, but the splitting would be an issue.

A 1khz horn could be turned out of a log though. That is small enough.
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Old 1st April 2013, 12:51 PM   #27
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The compound slide is very heave duty for a wood lathe. This was never meant to be a metal lathe. It was used to make round parts to make molds in a foundry. With the bed extension it can turn a piece 30 inches in diameter and 64 feet long. Yep 64 FEET. I think they only made 3 of those bed extensions.
Your lathe can turn 64feet long?
Ha Ha, it's April !st again.
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Old 1st April 2013, 02:34 PM   #28
djn is offline djn  United States
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This is not a joke. I don't have that bed extension but if I did, it would be this lathe.
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Old 1st April 2013, 02:43 PM   #29
AndrewT is offline AndrewT  Scotland
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How does one get an 84" mouth to pass through the doorway?

Or does one build the house around it/them?
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Old 1st April 2013, 02:48 PM   #30
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Originally Posted by djn View Post
The compound slide is very heave duty for a wood lathe. This was never meant to be a metal lathe. It was used to make round parts to make molds in a foundry. With the bed extension it can turn a piece 30 inches in diameter and 64 feet long. Yep 64 FEET. I think they only made 3 of those bed extensions.
A 30 inch diameter log of lightweight Basswood 64 feet long would weigh 11,000lb approx. Think about it.
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