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Model Forum / Radio Controlled / Air Models / April 2010



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Help: Looking for a short fat fuel tank

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ve7eje - 17 Mar 2010 18:29 GMT
I am working on a scale project and am trying to find a suitable fuel
tank. The space I have to work with is 4 3/8" L maximum, which is the
distance from the rear of the firewall to the front of the instrument
panel. Width and hight aren't an issue. I have lots of room to play
with there. I also have a hole in the FW that can accomodate the neck
of a bottle if necessary. The volume I am looking for is around 18 fl
oz or 500 mL.
I have looked at all the usual offerings from Sullivan and DuBro and
they are all too long at the volume I need. There is a possiblity of a
tank from Graupner but I haven't been able to find any dimensions.  I
also notice that a number of Nitro helis use a fairly square tank and
was wondering if one of them would work for me. Again though, I can't
find any published dimensions anywhere.
If anyone has any suggestions I would be grateful.
Thanks -Rob-
Tim Wescott - 17 Mar 2010 19:11 GMT
> I am working on a scale project and am trying to find a suitable fuel
> tank. The space I have to work with is 4 3/8" L maximum, which is the
[quoted text clipped - 10 lines]
> find any published dimensions anywhere.
> If anyone has any suggestions I would be grateful.

Dinty Moore Beef Stew?  Or other more suitable comestible in an
appropriate sized can?  Or a bunch of sheet brass or tinplate steel?

Solder the lid back on (or the whole tank up), add a right-sized brass
or copper tube to fit a Sullivan clunk-tank cork, wherever appropriate
to your installation.  If 1/2" copper pipe is too big, and if K&S
offerings at the LHS are all too small, check out www.smallparts.com.

I know that Dole pineapples come in galvanized tin cans -- I wouldn't
want to find out that a plastic coated can* dissolves in fuel by ruining
an engine.

* Like that damn beef stew -- aren't you glad you don't have to eat any?

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Tim Wescott
Control system and signal processing consulting
www.wescottdesign.com

The OTHER Kevin in San Diego - 17 Mar 2010 19:25 GMT
>I am working on a scale project and am trying to find a suitable fuel
>tank. The space I have to work with is 4 3/8" L maximum, which is the
[quoted text clipped - 11 lines]
>If anyone has any suggestions I would be grateful.
>Thanks -Rob-

Have you considered an aluminum water bottle from an outdoor
outfitter?  I use Sigg bottles as fuel tanks on my Bergen turbine (as
does everyone else flying this heli) - they come in many sizes and
colors...

http://mysigg.com/index.asp?PageAction=VIEWCATS&Category=52
MJKolodziej - 17 Mar 2010 20:06 GMT
I used a tank that was "formable", you just warmed it with a heat gun and
put it where you needed it.  Seems like I blew in it to expand it. You have
to watch where the vent and pickup ends up.
mk
oh, brand, uhm, maybe du-bro flextank?

>I am working on a scale project and am trying to find a suitable fuel
> tank. The space I have to work with is 4 3/8" L maximum, which is the
[quoted text clipped - 11 lines]
> If anyone has any suggestions I would be grateful.
> Thanks -Rob-
Tom Minger - 17 Mar 2010 23:13 GMT
You might try checking out some of the helicopter fuel tanks. 90 size helis
are usually 20 - 22 oz and 60 size are  in the 18 oz reange. Many are of odd
shape which may exactly fit your needs.

>I am working on a scale project and am trying to find a suitable fuel
> tank. The space I have to work with is 4 3/8" L maximum, which is the
[quoted text clipped - 11 lines]
> If anyone has any suggestions I would be grateful.
> Thanks -Rob-
mjkolodziej - 20 Mar 2010 06:00 GMT
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXFU74&P=7

It was a Sullivan flextank.
mk

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mjkolodziej

ve7eje@gmail.com - 22 Mar 2010 16:48 GMT
On Mar 19, 10:00 pm, mjkolodziej <mjkolodziej.483...@rcgroups.com>
wrote:
> http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXFU74&P=7
>
> It was a Sullivan flextank.
> mk
Unfortunately, I need this for gasoline. The flex tanks are glow only :
(
Thanks -Rob-
MJKolodziej - 22 Mar 2010 19:24 GMT
On Mar 19, 10:00 pm, mjkolodziej <mjkolodziej.483...@rcgroups.com>
wrote:
> http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXFU74&P=7
>
> It was a Sullivan flextank.
> mk
Unfortunately, I need this for gasoline. The flex tanks are glow only :
(
Thanks -Rob-

I wonder if you could change out the stopper to make it suitable for gas.  I
did this on a glow tank, but not a flex tank.
mk
Beav - 11 Apr 2010 20:15 GMT
>I am working on a scale project and am trying to find a suitable fuel
> tank. The space I have to work with is 4 3/8" L maximum, which is the
[quoted text clipped - 11 lines]
> If anyone has any suggestions I would be grateful.
> Thanks -Rob-

Soldering iron and sheet of "thin stuff", or go to your local pharmacy and
see what they have in stock for medicines.

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Beav

VN 750
Zed 1000
OMF# 19

 
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