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Hi Everyone,
Thanks for your replies. Yes I have looked at the Tip tanks and they may be the option I go for if it turns out much easier. I certainly would love to try the RV 14 but am concerned that the costs will end up blowing out due to the cost of the 390. From what I have read it can more than 10k more. Does this sound right? I have seen on a builders log (Bretts RV 9a) that you can buy kit engines to save on costs. I have a good friend who is an extremely talented fitter who may be interested in assembling the engine for me if i go that way. Has anyone else had experience with kit engines? Once again, thankyou for all your replies and your warm welcome. Look for to corresponding alot more as I get into the details and my kit arrives! :D |
Hummmmm
37 gallons at a conservative burn of 10 gallons/hour = 3 hrs in the air with reserves. About as long as I want to spend in the air before I want to stretch my legs... but that's just me. :D
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Thus, I'm in the camp that extra tanks are really not necessary for me but, if they were, I would definitely go the route of adding after-market tanks rather than structurally changing the wings, especially given all the complexity, time, expense, and engineering questions that go along with doing that. |
Endurance
I'm a little like Av8tor. I'm 57 and the fuel tanks in my 9A are a LOT bigger than my bladder!!!! ;) Plus, as comfy as Abby's seats are, I still want to stretch my legs at least by the 3 hour mark!!!!
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Hi all,
Thanks for all your replies. Im not trying to question anyones bladder. Just wanted the option of not having to fill up everytime I land as quality fuel might be an issue in some areas here. I was hoping to get specific details of how people have increased fuel capacity. Im leaning toward tip tanks at the moment but will make that decision when my plans arrive and I assess the wing design. I just thought anyone who had increased the number of bays used in the tanks might be able to give me details. Thanks :) |
PJ, the variations of extra tankage are plenty, from 50% more fuel to full length leading edges.
A lot of the guys who build Super -8's (IO-540's) and Super -7's, buy a single tank skin from Van's, cut it in half and add one section to each outboard end, adding 50% more, or thereabouts, because of the higher fuel consumption of the big engines. Read about Jon Johannson on Van's front page. He's in Oz and had 18 hours aboard his -4 for his two round-the-world flights, including 50 gallons in the back seat! Best, |
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Bevan |
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The best way to get a bit more gas if you are building the tanks is to extend the tanks out to the next rib... |
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