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  #1  
Old 03-08-2011, 12:18 PM
RV404 RV404 is offline
 
Join Date: Jan 2011
Location: USA
Posts: 9
Default 4 tanks on a -10??

Was cruising the internet late last night and ran across a few
120 Gallon fuel RV-10's
Anyone seen theses>??

looks like they were made by a fella named John Nys.

Sounds like a simple enough Mod, although I am sure you wouldn't need that much gas very often.
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  #2  
Old 03-08-2011, 04:01 PM
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Flybuddy2 Flybuddy2 is offline
 
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Location: Fort Myers
Posts: 370
Default

The red TruTrak company airplane has 4 tanks. 2nd set are simply outboard of the normal tanks on the leading edge.
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  #3  
Old 03-08-2011, 07:21 PM
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Nick Nick is offline
 
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Location: Rosharon, TX
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We've got 4 tanks, but "only" 90 gallons. There is a noticeable difference in flying with all 4 full. IMHO 90 is a perfect number, 120gallons would be easier to build for sure... But talk about heavy.
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91TS Rosharon, TX
RV-4 Bought 2019
RV-10 Built 2010, Sold 2019
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  #4  
Old 03-08-2011, 08:18 PM
dwilson dwilson is offline
 
Join Date: Jul 2005
Posts: 433
Default Talked to Vans about it

Vans comment was, "the wing was never designed for that weight and we will not help you."

Can you do it? sure. Is it smart? Not so sure.

I chose not to do it after much thought.
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RV9A. Built, flew 1000 hours, Sold

RV10 Built, flying 330 hours so far.

Central Oregon
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  #5  
Old 03-08-2011, 08:22 PM
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G34U G34U is offline
 
Join Date: Jan 2010
Location: Hingham Mass.
Posts: 64
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Quote:
Originally Posted by Nick View Post
We've got 4 tanks, but "only" 90 gallons. There is a noticeable difference in flying with all 4 full. IMHO 90 is a perfect number, 120gallons would be easier to build for sure... But talk about heavy.


I am very interested about your building pictures. Do you have a web site for me to take a look at?
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  #6  
Old 03-09-2011, 05:14 AM
pierre smith's Avatar
pierre smith pierre smith is offline
 
Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
Default Consider....

Quote:
Originally Posted by Nick View Post
We've got 4 tanks, but "only" 90 gallons. There is a noticeable difference in flying with all 4 full. IMHO 90 is a perfect number, 120gallons would be easier to build for sure... But talk about heavy.
....having an aero engineer look at the wing and particularly the spar. Since it tapers toward the tip, it's structurally weaker than the inboard end that is designed for the fuel weight and it also has support from the leading edge bracket on all the models that I'm aware of.

The twisting force so far out worries me, since the spar is thinner and the skins have to take the load.....rough air and full outboard tanks....worry me.

Regards,
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Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
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It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132


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