Brodhead Pietenpol Association

Original Posted By: John P Moyle
07/16/2001 05:44:10 PMList,Thanks for all the input on this. Sounds like one of those deals wheresolving one problem creates another.Just to stir the pot a little more, though (with the disclaimer that I maybe relying on faulty memory); I seem to recall that the product describedin KitPlanes was an open-cell polymer foam of some sort & that would goalong with what Cy is mentioning about vibration. I just looked up theExplosafe website that John mentioned & their product is an expandedaluminum matrix. Further, they state that it meets a Mil Spec for use inaircraft fuel tanks. Are we discussing 2 different products or am I blowingsmoke?I guess Wiliam's accident has focused my thinking on something that I'vebeen concerned about without a real good solution coming to mind. It seemsthat the general ruggedness (& slow speed) of the Piet lends itself to ahigh chance of walking away from an accident without major trauma injuries.But, there is still this whole issue of fire, as William's accidentillustrates. According to the news report, both William & the PIC were ableto get out of the plane aftere the crash, but in William's case, not fastenough to avoid getting seriously burned.Regards,Kip GardnerLaboratory ManagerOld Dominion UniversityDept. of Ocean, Earth & Atmos. Sciences, Rm. 4414600 Elkhorn Ave.Norfolk, VA 23529Ph: 757-683-5654Bumper Sticker of the Week:"Honor Veterans - Stop War"(On the car of a friend who is a DFC-decorated WWII veteran) cgalley(at)qcbc.org Sent by: To: pietenpol-list(at)matronics.com owner-pietenpol-list-server@mat cc: ronics.com Subject: Re: Pietenpol-List:Re: William Wynne 07/16/01 16:57 Please respond to pietenpol-list Real problem was that it began to break up from vibration and the littleparticles would then plug the fuel system, I've been told.________________________________________________________________________________Date: Mon, 16 Jul 2001 16:14:51 -0700Subject: Pietenpol-List: Fw: corvaircraft: William's Condition

Original Posted By: KGardner(at)odu.edu
Kip wrote about....> As an aside, I saw an article in KitPlanes several years ago about a foam> material that goes inside of the fuel tank (if I remember correctly, it> reduces fuel capacity about 10%). Apparently, this stuff holds the fuel so> that it can't quickly run out & vaporize after a rupture. Anyone knowabout> this & where to get it?>> Regards,> Kip GardnerThis is the same foam material that has been used in race cars since a guynamed McDonnald crashed on the first lap of the Indianapolis 500 back in theearly '60's and incinerated himself. Now it is mandatory in almost everyrace car throughout the world but I haven't heard much about it latelythough.Rodger________________________________________________________________________________Subject: Re: Pietenpol-List: Fw: corvaircraft: William's Condition

Original Posted By: "Cy Galley"
07/17/2001 10:05:46 AMJohn,Thanks for keeping us updated on William's condition. And for raising thequestions about some of the accuracy of the news report.I have come to learn that in today's world, one must apply what I call the"80% rule" to news reports, i.e. assume that NO MORE than 80% of a givenstory is accurate. I guess we'll get a more complete story once Wm.recovers & the NTSB does it's job.Thanks!Kip GardnerLaboratory ManagerOld Dominion UniversityDept. of Ocean, Earth & Atmos. Sciences, Rm. 4414600 Elkhorn Ave.Norfolk, VA 23529Ph: 757-683-5654Bumper Sticker of the Week:"Honor Veterans - Stop War"(On the car of a friend who is a DFC-decorated WWII veteran)________________________________________________________________________________

Original Posted By: "Michael D Cuy"
Your warning is some what correct. The rubber tipped needles in Strombergcarbs WILL swell in 100 octane LL. They should have been replaced a longtime ago with either the all steel or the Delrin which requires re-weightingthe float. This is detailed in SB ACSB-34 back in 1972.Unless a tank is leaking there is no reason for slosh or sealer. If you arebuilding a riveted a tank then Pro-Seal is unaffected by any fuelcomponent.Some of the components of 100 LL will take the paint off your plane.The other thing you need to check is rubber fuel lines. MIL-H-6000 hose usedwith slip on fittings is known to deteriorate from the octane enhancers liketoluene in 100 LLOne should NOT use any fuel with alcohol. Its use is even prohibited in theAuto Gas STC for certified aircraft.Cy GalleyEditor, EAA Safety Programscgalley(at)qcbc.org or experimenter(at)eaa.org----- Original Message -----