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tuned pipe and hose - 6/29/2008 9:55:44 PM   
scserdarcan



Posts: 32
Joined: 3/24/2007
From: eskisehir, TURKEY
Status: offline 		i have magpie 46 f3a plane and i will mount it a tuned pipe but i want to use a long hose for good looking. will it make a problem?




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RE: tuned pipe and hose - 6/30/2008 12:20:46 AM   
w8ye



Posts: 17299
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: online 		Yes, the hose will effect the tuning of your pipe.

"Tuned Pipes" , to run to advantage, must have a definite length and internal volume or they will decrease power.



< Message edited by w8ye -- 6/30/2008 12:21:25 AM >

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RE: tuned pipe and hose - 6/30/2008 12:32:38 PM   
Lille-bror



Posts: 50
Joined: 2/14/2008
From: Frederikshavn, DENMARK
Status: online
quote:

ORIGINAL: scserdarcan

i have magpie 46 f3a plane and i will mount it a tuned pipe but i want to use a long hose for good looking. will it make a problem?




Hey

Take a look at this page. It's about tuned pipes.

http://www.supertigre.com/faq/faq-q652.html

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RE: tuned pipe and hose - 6/30/2008 10:14:03 PM   
pe reivers



Posts: 2643
Joined: 1/23/2002
From: Arcen, , NETHERLANDS
Status: offline
quote:

ORIGINAL: scserdarcan

i have magpie 46 f3a plane and i will mount it a tuned pipe but i want to use a long hose for good looking. will it make a problem?




In short: Yes!
The exposed silicone is way too long. It gets hot, and flexes by the pressure waves, and shortly, it fails. Use a tube insert to bridge the distance, but prevent it from making metal contact.

The supertigre faq is excellent. Go by it and either tune the pipe to the propellor, or tune the propeller to the pipe, or both. Just do not think, that a tuned pipe without tuning is the ticket home. It's like playing a trombone. You have to use the slide to get the right tune.

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RE: tuned pipe and hose - 7/1/2008 2:17:31 PM   
blw



Posts: 4521
Joined: 3/15/2004
From: Auburn, AL, USA
Status: offline
quote:

ORIGINAL: pe reivers

It's like playing a trombone. You have to use the slide to get the right tune.



That analogy should win some sort of award.

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RE: tuned pipe and hose - 7/1/2008 11:02:06 PM   
pe reivers



Posts: 2643
Joined: 1/23/2002
From: Arcen, , NETHERLANDS
Status: offline 		And understanding the tuned pipe well is just as hard as mastering the trombone.. I never cease to admire the work of the instrument builders, and how they achieve the "timbre" they seek

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