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1. 02:30 PM - Re: Fuel tanks (Jack Textor)
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Ron nice looking work. In the last picture I see sealer on top of the
pop rivets. Are they covered completely on the inside (backside)?
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of infow
Sent: Friday, April 01, 2016 4:40 PM
Subject: RE: Pietenpol-List: Fuel tanks
I built my 701 tanks using 5052-032 aluminum and rivets. Used the
Flamemaster Dyna-Seal sealant from Van's worked great... messy but
great! All of the mounting flanges came from Van's. The ISS Fuel level
senders come from Van's. The Fuel Level gauges came from ACS(ISS's).
Van's gauges no good here... calibrated for their tanks!
Ron
View of left tank....
Left tank covered...
Baffles in tank....
Tank venting...
Tank vent line....
ISS Fuel level arm sensor bent and installed...
ACS fuel cap in place... best method!!!!
| <jack@bedfordlandings.com <mailto:jack@bedfordlandings.com> >
|
| Acceptable but very heavy. The original tanks were made of
| terneplate, which is steel sheet coated with an alloy of 20% tin
| and 80% lead. It soldered very well. Soldering galvanized steel,
| which is coated with zinc is much more difficult and requires
| special solder alloys and special flux. One method is shown here:
| http://www.youtube.com/watch?v=u7Imxj2_nXw
<http://www.youtube.com/watch?v=u7Imxj2_nXw>
|
| I riveted my tank together out of 5052 aluminum alloy, then had it
| TIG welded around all the edges and over each rivet. During leak
| testing I found 39 pinhole leaks and took it back to the welder.
| After re-welding over those 39 leaks I only found 9 leaks. Third
| time was the charm and it has been leak free ever since.
|
| However, if I were to do it again I would just rivet it together
| and use the Flamemaster Dyna-Seal product that I used when building
| the tanks for my RV-10. This is what Van's Aircraft uses for all
| their fuel tanks and it must be pretty successful since there are
| literally thousands of airplanes flying using this method. It is
| easy (if somewhat messy) to build a good fuel tank with this
| method, and the tank doesn't warp during welding like most welded
| tanks do (mine included).
|
| Jack Phillips
| NX899JP
| Smith Mountain Lake, Virginia
|
| -----Original Message-----
| From: owner-pietenpol-list-server@matronics.com
<mailto:owner-pietenpol-list-server@matronics.com> [mailto:owner-
| pietenpol-list-server@matronics.com
<mailto:pietenpol-list-server@matronics.com> ] On Behalf Of John
Franklin
| Sent: Tuesday, March 29, 2016 9:23 AM
| To: Piet_List <pietenpol-list@matronics.com
<mailto:pietenpol-list@matronics.com> >
| Subject: Pietenpol-List: Fuel tanks
|
| <jbfjr@peoplepc.com <mailto:jbfjr@peoplepc.com> >
|
| Most of the fuel tanks I've seen mentioned on this forum have been
| made of aluminum. Has anyone used galvanized steel and sealed it
| by soldering the seams?
| Would this method be acceptable?
|
| Thanks,
| John Franklin
| Prairie Aire 4TA0
| Needville, TX
|
|
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