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All Forums >> RC Airplanes >> S.P.A.D. Aircraft - Coroplast design >> qhor vibration airation in tank
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qhor vibration airation in tank - 4/23/2008 12:39:32 PM   
Prboz


 

Posts: 33
Joined: 10/22/2002
From: Geelong, AUSTRALIA
Status: offline
Any ideas on reducing the vibration at the fuel tank. The motor is starting to miss and splutter, but runs perfectly on the ground and held vertical but can see heaps of bubbles in the tank.

Thanks
       Post #: 1

RE: qhor vibration airation in tank - 4/23/2008 2:03:19 PM   
Wingspam


 

Posts: 114
Joined: 12/29/2005
From: fort worth, TX, USA
Status: offline 		I have a couple of these, all I do is wrap the tank in foam and I have had no problems..


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Wingspam

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RE: qhor vibration airation in tank - 4/23/2008 2:19:28 PM   
ChrisSpad



Posts: 1523
Joined: 4/19/2002
From: Cordova, TN,
Status: offline 		if you haven't already, try balancing the prop. Sometimes that will cure it. If not, you can get a sintered bronze clunk to replace the clunk in the fuel tank that will break up the bubbles before they're passed into the fuel line and elliminate the problem as well. A good piece of foam rubber under the tank, with the tank held down by rubber bands is also a good idea- you don't want the tank super tight at all - just tight enough to keep it from falling off. If it happens to be an OS LA series engine, most likely you'll need the clunk, as they tend to vibrate an abnormal amount.

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No matter how many planes i plant, they just won't grow.
[link]http://www.chrisspad.com/planes/[/link]

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RE: qhor vibration airation in tank - 4/24/2008 12:15:43 AM   
Prboz


 

Posts: 33
Joined: 10/22/2002
From: Geelong, AUSTRALIA
Status: offline 		Thanks Guys,

It is an LA so looks like I need to find a sintered clunk.

Will try these ideas thanks.

Prboz

(in reply to Prboz)
       Post #: 4

RE: qhor vibration airation in tank - 4/24/2008 2:23:52 PM   
MrGreenSpeed



Posts: 622
Joined: 12/31/2002
From: Lakewood, NY, USA
Status: offline 		http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXXF25&P=ML


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       Post #: 5

RE: qhor vibration airation in tank - 4/25/2008 3:01:50 AM   
ChrisSpad



Posts: 1523
Joined: 4/19/2002
From: Cordova, TN,
Status: offline 		OS sure is proud of theirs
http://www.shopatron.com/product/part_number=161/101.0 2.35 for the dubro version, versus 14.49 for the OS one. ere

Ahh, here it is at Tower -
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXD741&P=7

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No matter how many planes i plant, they just won't grow.
[link]http://www.chrisspad.com/planes/[/link]

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RE: qhor vibration airation in tank - 4/27/2008 12:30:38 AM   
MrGreenSpeed



Posts: 622
Joined: 12/31/2002
From: Lakewood, NY, USA
Status: offline 		I looked all over for the cheap one but couldn't find it, thanks Chris.
Jeff

(in reply to ChrisSpad)
       Post #: 7

RE: qhor vibration airation in tank - 4/27/2008 2:22:05 AM   
ChrisSpad



Posts: 1523
Joined: 4/19/2002
From: Cordova, TN,
Status: offline 		i think i searched for dubro products, then looked in the fuel accessories category for it. They do a nice job of hiding it.

_____________________________

No matter how many planes i plant, they just won't grow.
[link]http://www.chrisspad.com/planes/[/link]

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       Post #: 8

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