TeamGrumman-List Digest Archive

Tue 10/21/14


Total Messages Posted: 3



Today's Message Index:
----------------------
 
     1. 05:48 AM - Re: Re: Vacuum Pump (Linn Walters)
     2. 09:56 AM - Re: Re: Vacuum Pump (Gary L Vogt)
     3. 01:10 PM - Re: Re T/s Assist (Tunahawk)
 
 
 


Message 1


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    Time: 05:48:30 AM PST US
    From: Linn Walters <flying-nut@cfl.rr.com>
    Subject: Re: Vacuum Pump
    On 10/20/2014 11:14 PM, Gary L Vogt wrote: > Yes, the coupling sheared. The shaft and gear look ok. There are very > light scratches around the inside of the housing. > > I just replaced another one with almost 900 hours on it that had > failed. Same make and model. So, which make and model? If it were me, I'd send the pictures to the manufacturer and ask .... Why??? Linn > > > Gary > Sent from my iPad > > On Oct 20, 2014, at 1:22 PM, Linn Walters <flying-nut@cfl.rr.com > <mailto:flying-nut@cfl.rr.com>> wrote: > >> I agree with Greg .... the only thing that wears significantly are >> the vanes. That pump must have had a really dried out and hard >> coupling to keep the rotor turning enough to break it .... in that >> many pieces. Did the coupling shear??? 'Tis a puzzlement! >> Linn >> >> On 10/20/2014 2:23 PM, Gary L Vogt wrote: >>> I'm wondering if it just wore out fast. It does look weird. >>> >>> >>> On Sunday, October 19, 2014 9:06 AM, gketell <greg@ketell.com> wrote: >>> >>> >>> <mailto:greg@ketell.com>> >>> >>> Looks like it inhaled something >>> * >>> >>> >>> * >>> >>> No virus found in this message. >>> Checked by AVG - www.avg.com <http://www.avg.com> >>> Release Date: 10/20/14 >>> >> >> * >> >> >> * > * > > > * > > No virus found in this message. > Checked by AVG - www.avg.com <http://www.avg.com> >


    Message 2


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    Time: 09:56:08 AM PST US
    From: Gary L Vogt <teamgrumman@yahoo.com>
    Subject: Re: Vacuum Pump
    It was the Rapco 215cc On Tuesday, October 21, 2014 5:54 AM, Linn Walters <flying-nut@cfl.rr.com> wrote: On 10/20/2014 11:14 PM, Gary L Vogt wrote: Yes, the coupling sheared. The shaft and gear look ok. There are very light scratches around the inside of the housing. > > >I just replaced another one with almost 900 hours on it that had failed. Same make and model. So, which make and model? If it were me, I'd send the pictures to the manufacturer and ask .... Why??? Linn > > >Gary Sent from my iPad > >On Oct 20, 2014, at 1:22 PM, Linn Walters <flying-nut@cfl.rr.com> wrote: > > >I agree with Greg .... the only thing that wears significantly are the vanes. That pump must have had a really dried out and hard coupling to keep the rotor turning enough to break it .... in that many pieces. Did the coupling shear??? 'Tis a puzzlement! >>Linn >> >>On 10/20/2014 2:23 PM, Gary L Vogt wrote: >> >>I'm wondering if it just wore out fast. It does look weird. >>> >>> >>> >>>On Sunday, October 19, 2014 9:06 AM, gketell <greg@ketell.com> wrote: >>> >>> >>> >>> >>>Looks like it inhaled something >>>No virus found in this message. >>>Checked by AVG - www.avg.com >>>Release Date: 10/20/14 >> >No virus found in this message. >Checked by AVG - www.avg.com >10/20/14


    Message 3


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    Time: 01:10:36 PM PST US
    Subject: Re: Re T/s Assist
    From: "Tunahawk" <metuna@earthlink.net>
    Quick followup, We did the setup per Gary's info, seem to run okay afterwards but had issues and rough running on a second subsequent flight. Problem was resolved by installing an overhauled carburetor from Kelly Aerospace , BTW make sure you get the carb with any mounting ports for instrumentation, ours a JPI carb temp probe. First one had a plugged hole that could have been machined but we didn't want to mess with it. Kelly took care of us by sending one with temp probe port already machined in after we returned the first one we got. Our old carb (an O/H) had been installed seven years ago. Thanks for the help!! Cheers, N26114 KSGJ Read this topic online here: http://forums.matronics.com/viewtopic.php?p=432135#432135




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