ER tanks

Hubitom1 · #1 10-12-2010, 03:37 PM

Hi everyone,

new to the entire thing of building wings and things out of raw material. Bought someones empennage, fished it (with the appropriate amount of mistakes, off course), and hopefully getting the wings pretty soon.

I am thinking about putting range extenders into my 7A. Does anyone have some input about the entire thing? I searched for it,and only HWA came up. Are they the only guys offering a solution, and if so, who's got them installed? Good experience, bad?

Would it be worth producing them at home? Did anyone do that? Would you do it again?

Well, thanks in advance for every input.

Thomas

Bevan · #2 10-12-2010, 03:50 PM

Hi Thomas and welcome.

I know of one and heard of several others that have rolled their own. The one I know of bought non-pre-punched leading edge wing skins, more tank ribs, back baffles, z-brackets etc and basically made the existing tanks bigger, by about 50% (I'm guessing here, but definately more than the ER tube style.)

Bevan
RV7A not flying yet but
gascolators and shut-off valves successfully installed in the wing roots

Hubitom1 · #3 10-12-2010, 04:08 PM

Bevan,

thanks for the reply. Do you know by any chance if he made the tanks longer, or deeper? Do you know by any chance who he/she is, and is there a chance to get in touch with that person?

Thomas

scard · #4 10-12-2010, 04:17 PM

Just so it has been said, there is a whole lot more to this route than meets the initial eye. http://napwars.com/RV-8HTML/Fuel.htm

Bevan · #5 10-12-2010, 04:20 PM

The tanks are just a longer (span-wise) version of the original design. They extend further out towards the tip but not all the way to the tip.

Not comfortable about sending out his contact info. I would have to ask him to contact you.

Bevan

Hubitom1 · #6 10-12-2010, 04:34 PM

Scott and Bevan,

thanks so much for the idea (and information). Bevan, that would be more than appreciated if you did. I do not expect anyone giving out my information, either. So yes, if this gentleman wouldn't mind me contacting him that would be great.

Thomas

Don Patrick · #7 10-12-2010, 08:31 PM

Another option Thomas is this...

http://www.safeair1.com/HWA_RV7-8.htm

Cheers,

Don

pierre smith · #8 10-13-2010, 05:20 AM

...because guys have made extended range tanks that occupy the passenger seat for a flight to Australia...others have a tank in the floor of the baggage area and still others, have modded the wingtips into tanks. One guy has full span leading edge tanks...the variety is anything and everything...not all necessarily well engineered. Contact John Harmon for info on adding to the existing fuel tanks.

Best,

Hubitom1 · #9 10-13-2010, 11:47 AM

Pierre,

tried to find the name John Harmon in members area, and it did not return a result. How would I be able to get in touch with him?

Thanks,

Thomas

pierre smith · #10 10-13-2010, 02:39 PM

....John's website has his contact info. Basically, they take one tank skin, cut it in half and splice one half to each existing tank skin for a total of 54 gallons:

http://www.harmonrocket.com/

Best,