TeamGrumman-List Digest Archive

Mon 10/26/09


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 11:34 AM - EDM 830 (Ned Thomas)
     2. 08:18 PM - Re: EDM 830 (teamgrumman@AOL.COM)
     3. 08:25 PM - cranking pressure (teamgrumman@AOL.COM)
     4. 08:30 PM - horizontal braces (teamgrumman@AOL.COM)
 
 
 


Message 1


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    Time: 11:34:57 AM PST US
    From: Ned Thomas <923te@att.net>
    Subject: EDM 830
    Hey Gary Do you have any pictures of your EDM 830 installation on Allens Tiger? Can you install them flush? Ned Sent from my iPhone


    Message 2


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    Time: 08:18:44 PM PST US
    Subject: Re: EDM 830
    From: teamgrumman@AOL.COM
    no pics. It could probably be installed flush. hell. anything is possib le. it does sit out from the panel. not sure if I like that part. -----Original Message----- From: Ned Thomas <923te@att.net> Sent: Mon, Oct 26, 2009 11:29 am Subject: TeamGrumman-List: EDM 830 Hey Gary Do you have any pictures of your EDM 830 installation on Allens Tiger? Can you install them flush? Ned Sent from my iPhone ======================== ============ ======================== ============ ======================== ============ ======================== ============


    Message 3


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    Time: 08:25:13 PM PST US
    Subject: cranking pressure
    From: teamgrumman@AOL.COM
    Cliff, here's one for you to chew on. I've been doing both leak down and cranking pressure tests now for about a year. Tigers generally run 130-135. One Lycon Tiger was 145 across th e board. Cheetahs run about 125 to 130. I did a cranking pressure test on a Tiger last weekend with (1) 125 psi (2) 123 psi (3) 142 psi (4) 120 psi I redid the #3 4 times and got the same value. Something is changing the valve timing events enough to cause this difference. I didn't go any fur ther into it. The leak down tests were 79/78/78/78


    Message 4


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    Time: 08:30:07 PM PST US
    Subject: horizontal braces
    From: teamgrumman@AOL.COM
    I delivered the plane Saturday with the new horizontal braces. One observ ation: it could be me but, I think the horizontal felt stiffer than even the one on my plane. Plane flew well. I did some steep turns and pulled a couple of g's. We'll see. I have 3 more planes with cracks.




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