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  #31  
Old 01-10-2010, 11:51 AM
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MartySantic MartySantic is offline
 
Join Date: Apr 2008
Location: Davenport, IA
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This might be worthy of a second look. I quote from their webpage.

"ATL's tank moldings can include integral sumps, threaded inserts, baffles, metallic flanges, bosses, hose attachment "stubs" and mounting brackets."

Everything that Scott McDaniels mentioned in his post.

http://www.atlinc.com/rotomolded.html
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  #32  
Old 01-10-2010, 01:31 PM
Jeromiemead Jeromiemead is offline
 
Join Date: Sep 2007
Location: Richland, WA
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Been looking at using one of these tanks. http://www.incaproducts.com/site/fue...ctangular.aspx

These are production tanks, No molds needed.
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  #33  
Old 01-10-2010, 02:07 PM
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JerryG150 JerryG150 is offline
 
Join Date: Nov 2006
Location: Bradenton, Florida
Posts: 348
Default Yikes!!

As far as the gas tank goes, I've finished all but the top of the fuel tank and the site window. I put it aside till my fuselage is rightside up again so I can set it in and locate the cutout on top.

I've already thought of ordering a new tank ... because it's such a mess and I can't imagine it not leaking ... even before I get to the balloon testing.

And I thought I was having enough aggrevation with the Adel cushioned clamps ... but that's another story ...
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Last edited by JerryG150 : 01-10-2010 at 02:20 PM.
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  #34  
Old 01-10-2010, 02:35 PM
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MartySantic MartySantic is offline
 
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Quote:
Originally Posted by Jeromiemead View Post
Been looking at using one of these tanks. http://www.incaproducts.com/site/fue...ctangular.aspx

These are production tanks, No molds needed.
It sure would be nice if we could buy a production tank but the molded tanks that I have seen lack the REQUIRED internal baffle. Mounting the tank like supplied RV-12 tank is another issue.
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  #35  
Old 01-10-2010, 04:37 PM
JBPILOT JBPILOT is offline
 
Join Date: Nov 2007
Location: Jesup, Iowa
Posts: 1,657
Default Jumping in again

Marty makes a VERY important point. You are very likely NOT going to find a tank with the baffle placed as desired and all the other requirments. To me the ONLY issue with this tank has been the window. After inspection, close it up, install a mechanical gauge on top, and the worry and problems should be minimized. The tank works. I think everyone is chasing their tail here. Do the tank as instructed, then if not satisfied, do as I suggested above, and be done with it.

John Bender
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  #36  
Old 01-10-2010, 04:48 PM
JEG JEG is offline
 
Join Date: Dec 2008
Location: Sunnyside,Nevada
Posts: 52
Default LETS HEAR FROIM THE MAN

I have just ordered my 12, two friends were to order at the same time but absolutely refuse to until the tank issue is resolved. (they call me adventurous)
There must be some reason we haven't heard from Van or his people. If building as a ELSA it is my understanding that after inspection your can change the tank under a 337. Mel am I correct. John
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  #37  
Old 01-10-2010, 06:57 PM
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Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
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Quote:
Originally Posted by JEG View Post
If building as a ELSA it is my understanding that after inspection your can change the tank under a 337. Mel am I correct. John
After issuance of the airworthiness certificate, you may make any modification you like as long as the mod doesn't take the aircraft out of LSA parameters.
337s are only used for certificated aircraft.
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  #38  
Old 01-11-2010, 06:15 AM
chuckster chuckster is offline
 
Join Date: Nov 2008
Location: Sulphur Springs, Texas
Posts: 44
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Anyone having trouble with or thinking it will tax your nerves to the end to build the gas tank please contact me. I will assemble your tank, leak check it and return it in 5 days! Cost,,,$300.00 plus shipping I will also build any part or all of your RV-12 and do it in 8 weeks or less. Call for a price. 903-945-5120 ask for Chuck Now building second -12
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Last edited by chuckster : 02-05-2012 at 08:32 PM.
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  #39  
Old 01-15-2010, 09:16 AM
dick seiders dick seiders is offline
 
Join Date: Jan 2006
Posts: 905
Default fuel tank woes

Part two:Last Sunday after removing top for access I spotted sealant on all likely suspect areas. tested 4 days later, and sight glass still likes to bubble up the soapy indicator.
Have now removed all 22 holding screws and pumped the sealant into the holes. Then coated the screws with ample sealant and re-assembled. Will report on test results of this effort next Tuesday.
By the way it is almost impossible to seal the top for testing with clecos and tape, but overcame that by introducing sufficient air from compressor to just expand the balloon enough to show positive pressure.
Dick
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  #40  
Old 01-16-2010, 09:19 AM
diamond diamond is offline
 
Join Date: Sep 2009
Location: Rochester, MN
Posts: 710
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How are the tanks on the RV7 and 9 different than the 12? I know they're larger, but are they of the same general design?
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