---------------------------------------------------------- Pulsar-List Digest Archive --- Total Messages Posted Thu 09/05/13: 4 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 07:45 AM - Jeffco (Bernard Wilder) 2. 08:30 AM - Re: Jeffco (David Weaver) 3. 02:01 PM - Re: Jeffco (Bernard Wilder) 4. 06:21 PM - Re: Jeffco (David Weaver) ________________________________ Message 1 _____________________________________ Time: 07:45:06 AM PST US Subject: Pulsar-List: Jeffco From: Bernard Wilder Asked Aircraft Spruce if Jeffco was impervious to ethenol. Response: I don't know. Will check with our supplier. Bernie Wilder ________________________________ Message 2 _____________________________________ Time: 08:30:14 AM PST US From: David Weaver Subject: Re: Pulsar-List: Jeffco My Pulsar XP wing tanks were resealed with Jeffco many-years back after r emoving-the remanants of what was left over from the original sealer ship ped with the Aero-Designs wing kit.- There has been no evidence of degr adation of the Jeffco with the exception of the fuel filler-transition ar ea from composite to aluminum filler ring.- That area was treated with th e more flexible polysulfide close out plate sealer.- The specs for-Jeff co are available on-line.- It is an industrial tank sealer that is rated for even acid-exposure.=0ADave Weaver- N912GR-=0A =0A=0A_____________ ___________________=0A From: Bernard Wilder =0AT o: Pulsar Net =0ASent: Thursday, September 5, 2 013 9:40 AM=0ASubject: Pulsar-List: Jeffco=0A =0A=0A--> Pulsar-List messag e posted by: Bernard Wilder =0A=0AAsked Aircraft Spruce if Jeffco was impervious to ethenol.=0A=0AResponse:=0A=0AI don't kn ========= ________________________________ Message 3 _____________________________________ Time: 02:01:11 PM PST US Subject: Re: Pulsar-List: Jeffco From: Bernard Wilder Dave, Have you been using gas with 10% ethenol ? ? ? Bernie Wilder On Thu, Sep 5, 2013 at 11:25 AM, David Weaver wrote: > My Pulsar XP wing tanks were resealed with Jeffco many years back after > removing the remanants of what was left over from the original sealer > shipped with the Aero Designs wing kit. There has been no evidence of > degradation of the Jeffco with the exception of the fuel filler transition > area from composite to aluminum filler ring. That area was treated with the > more flexible polysulfide close out plate sealer. The specs for Jeffco are > available on-line. It is an industrial tank sealer that is rated for even > acid exposure. > Dave Weaver N912GR > > From: Bernard Wilder > To: Pulsar Net > Sent: Thursday, September 5, 2013 9:40 AM > Subject: Pulsar-List: Jeffco > > > > Asked Aircraft Spruce if Jeffco was impervious to ethenol. > > Response: > > I don't know. Will check with our > ========================http://www.matronics.com/Navigator?Pulp; --> > http:======================= > http://www.matronics.co================= > > ________________________________ Message 4 _____________________________________ Time: 06:21:04 PM PST US From: David Weaver Subject: Re: Pulsar-List: Jeffco Yes I have only used 100LL one time while on a long trip out to western Kan sas from Illinois.- I use 87 Octane with up to 10% ethanol.- I currentl y have 343 hours on 912UL Rotax engine.- At 5100 RPM cruise is 140 MPH an d at 5500 RPM cruise-is 150 MPH (tricycle gear/large wheel option and 145 lb pilot).- Propeller is GSC-controllable pitch-hub with-Warp Driv e blades.- The auto fuel burns very clean with no fouling of spark plugs or carb malfunction.- As I mentioned earlier, where there is a transition between dissimilar materials, I would coat that area with a polysulfide fu el sealer and not count on Jeffco as it is brittle.- The polysulfide mate rial can be applied over Jeffco.- Jeffco- can not be applied over a pol ysulfide coating as it will crinkle and peal away.- It is a good idea to periodically use an inspection mirror to inspect the areas-inside the-w ing tank at the fuel filler ring and-the aluminum vent tube for hair line cracks (if Jeffco is primary sealer in use).=0ARegards - Dave=0A =0A=0A__________ ______________________=0A From: Bernard Wilder =0ATo: Pulsar Net =0ASent: Thursday, September 5, 2013 3:58 PM=0ASubject: Re: Pulsar-List: Jeffco=0A =0A=0A--> Pulsar-Lis t message posted by: Bernard Wilder =0A=0ADave, =0A=0AHave you been using gas with 10% ethenol ? ? ?=0A=0ABernie Wilder=0A =0AOn Thu, Sep 5, 2013 at 11:25 AM, David Weaver wrote:=0A> My Pulsar XP wing tanks were resealed with Jeffco many years ba ck after=0A> removing the remanants of what was left over from the original sealer=0A> shipped with the Aero Designs wing kit.- There has been no ev idence of=0A> degradation of the Jeffco with the exception of the fuel fill er transition=0A> area from composite to aluminum filler ring.- That area was treated with the=0A> more flexible polysulfide close out plate sealer. - The specs for Jeffco are=0A> available on-line.- It is an industrial tank sealer that is rated for even=0A> acid exposure.=0A> Dave Weaver- N9 12GR=0A>=0A> From: Bernard Wilder =0A> To: Pulsa r Net =0A> Sent: Thursday, September 5, 2013 9:4 0 AM=0A> Subject: Pulsar-List: Jeffco=0A>=0A> --> Pulsar-List message poste d by: Bernard Wilder=0A> =0A>=0A> Asked Aircraft Spruce if Jeffco was impervious to ethenol.=0A>=0A> Response:=0A>=0A> I do n't know. Will check with our=0A> ============= ===========http://www.matronics.com/Navigator?Pulp; - ->=0A> http:===================== ====0A> http://www.matronics.co============ ========= ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message pulsar-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Pulsar-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/pulsar-list Browse Digests http://www.matronics.com/digest/pulsar-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.