From: "Marko Bewersdorff" <fly@bewersdorff.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: Fuel tank
Date: Sun, 28 Mar 2004 12:49:41 -0800
Message-ID: <HKEGKAHKFINFFEKPHLNAEEEKFGAA.fly@bewersdorff.com>
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I heard somewhere that some anti-kaboom foam or mesh can aggravate the
accumulation of condensation water.

Marko

> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
> Behalf Of Marvin Kaye
> Sent: Sunday, March 28, 2004 12:35 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: Fuel tank
>
>
> Posted for "marc" <cardmarc@charter.net>:
>
> Charlie,
> Ahah, your reasoning is flawless, IF I just wanted to transport fuel in
> a pickup truck bed (you could go to Tractor Supply and buy the units
> they have pre-made for that and forget about it-farmers have dozens of
> those as do heavy equipment contractors so they are commercially
> available)- BUT- I have designed the shape of the tank to fit INSIDE the
> airplane behind the back seat as a 'long range auxiliary tank' and want
> to use it for BOTH uses (must have a)-low point water drain(s), b) vent
> with roll over protection c) fuel filler provisions to attach to aux
> inlet with backflow valve d) recess to allow a entire Mazda fuel pump
> assy. to fit in the top side and reach bottom of tank e) inlet/outlets
> if not in fuel pump assy, f) fuel gauge [although the great thing about
> using a stock Mazda pump assy is that it has the pump, the pre-filter,
> the fuel float for the (mostly very accurate) stock gauge, and the low
> level warning light all in one assy!] g) tiedown provisions h) what ever
> else I have forgotten but will have to add.  I have the patterns made
> from cardboard to fit the area for the shape and size of the tank and
> whatever inlets/outlets/pumps/gauges/openings I need. Gussets with holes
> in them (water at the bottom must get to low point drain without being
> blocked) and a baffle around the pickup to prevent sloshing and
> starvation in unusual attitudes near pickup hose. How's them for apples.
> It was a lot of work doing that.
>   What gauge AL would you use for such a tank?-remember this tank must be
> self supporting and rest on the floor.
> Places like Summit Racing will make one for me (plastic or alum, and
> even with foam retardant filling supposedly compatible with all
> gasolines) but that way is not the spirit of "homebuilding"! Plus I want
> to perfect my al welding skills. So it will be hydrostatically tested as
> well.
>
> Marc Wiese
>
>
>
> > Being lazy & cheap, my 1st response would be to pay $10 for a steel 55
> > gal drum. If you really want an AL tank, why not just use a/c grade AL
> > sheet & assemble the 6 sides & internal stiffening ribs with proseal &
> > rivets?
> >
> > If you really want to weld, how about welding the lid on one of those
> AL
> > tool boxes made to hang in the bed of a pickup?
>
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