Zenith-List Digest Archive

Fri 07/30/04


Total Messages Posted: 6



Today's Message Index:
----------------------
 
     1. 05:29 AM - 6B21-3 Position on 601XL? ()
     2. 08:24 AM - Re: 6B21-3 Position on 601XL? (Jack Russell)
     3. 08:49 AM - Re: Re: Brass fittings and valves on aluminum tubing... ()
     4. 03:37 PM - Re: Re: Brass fittings and valves on aluminum (Bryan Martin)
     5. 08:14 PM - Transponder Question (Larry Martin)
     6. 08:53 PM - Re: Transponder Question (Ray Montagne)
 
 
 


Message 1


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    Time: 05:29:04 AM PST US
    From: <kkinney@fuse.net>
    Subject: 6B21-3 Position on 601XL?
    --> Zenith-List message posted by: <kkinney@fuse.net> Greetings to all, On a 601XL, where do you position 6B21-3? (the shoulder harness fitting) I can't seem to find any hard measurements. As best as I can determine is that it is fitted relative to the width of 6B5-6. Any help would be appreciated. Thank you, Kevin Kinney Clue-free in Cincinnati


    Message 2


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    Time: 08:24:57 AM PST US
    From: Jack Russell <clojan@sbcglobal.net>
    Subject: Re: 6B21-3 Position on 601XL?
    --> Zenith-List message posted by: Jack Russell <clojan@sbcglobal.net> Kevin: The bracket has a given position relative to the b-3 hoop. B-3 is centered on the bracket at 80mm and then centered on 6b5-6. Jack On a 601XL, where do you position 6B21-3? (the shoulder harness fitting) I can't seem to find any hard measurements. As best as I can determine is that it is fitted relative to the width of 6B5-6. Jack Russell -Clovis CA 601 XL Jabiru 3300 Progress update at: http://www.geocities.com/clojan@sbcglobal.net/zodiacbarn.html


    Message 3


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    Time: 08:49:02 AM PST US
    Subject: RE: Brass fittings and valves on aluminum tubing...
    From: <george.pinneo@ngc.com>
    --> Zenith-List message posted by: <george.pinneo@ngc.com> Consider the most reliable of all non-flare, compression fittings: Swageloks! They are even available in aluminum, pre-zincate coated, so they're lighter than brass. GGP


    Message 4


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    Time: 03:37:40 PM PST US
    tubing...
    Subject: Re: RE: Brass fittings and valves on aluminum
    tubing...
    From: Bryan Martin <bryanmmartin@comcast.net>
    --> Zenith-List message posted by: Bryan Martin <bryanmmartin@comcast.net> on 7/29/04 8:43 PM, Brandon Tucker at btucke73@yahoo.com wrote: > --> Zenith-List message posted by: Brandon Tucker <btucke73@yahoo.com> > > Great question... I wanted to ask the same last > night, but didn't want to open said "can of worms." > > Then this > morning it dawned on me that my automotive flaring > tool is not 37 deg. I sure as heck don't want to pay > $$$ for an aviation flaring tool. So what is one to > do?? > The tech councilor at my EAA chapter suggested that I flare them partially with the 45 degree tool and then finish the flare by tightening them in the fitting. The soft aluminum line will form itself to the flare fitting. I did this and also used DEL 37 fitting seals; my fittings don't leak > Also, NAPA doesn't carry aluminum fuel line at all. > Is there a national auto chain that carries fuel line? > I plan to use 3/8 OD. Is this what everyone is > using? > I couldn't find any locally so I ordered it from ACS (3003-0 Versatube). -- Bryan Martin N61BM, CH 601 XL, Stratus Subaru. Construction complete. Getting the paperwork in order. do not archive.


    Message 5


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    Time: 08:14:23 PM PST US
    From: "Larry Martin" <earthloc@att.net>
    Subject: Transponder Question
    --> Zenith-List message posted by: "Larry Martin" <earthloc@att.net> Having zero experience on transponders I have a basic question. I have a King KT76 transponder I bought about a year ago through e-bay. It has a yellow card, with repair information dated just before I bought it. I had no reason to think it wouldn't work. I haven't wired it yet. I was wiring my Com coax and ohmed it to make sure of no shorts. Then I happened to seen the Xponder cable and just stuck the ohm meter to it. Dead short!!! Replaced the BNC ends on the cable, no help. Pulled the xponder out of the shelf, ohmed the cable input, it was shorted or closed. My question is, is it possible that the coax is normally closed when no power is to it? I pretty sure I know the answer, but just double checking before I take it to a avionics shop. Larry Martin, N1345L Take a look at my site. Larry's 701 ---


    Message 6


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    Time: 08:53:56 PM PST US
    Subject: Re: Transponder Question
    From: Ray Montagne <ac6qj@earthlink.net>
    --> Zenith-List message posted by: Ray Montagne <ac6qj@earthlink.net> On 7/30/04 8:08 PM, "Larry Martin" <earthloc@att.net> wrote: > --> Zenith-List message posted by: "Larry Martin" <earthloc@att.net> > > My question is, is it possible that the coax is normally closed when > no power is to it? Yes, it is possible for a coax connected to an antenna to read a dead short at D.C.. It depends on how the feed to the antenna is designed. If the coax is indicating a short with both ends disconnected then you've definitely got a problem. If one end is attached to the antenna then you may or may not have a problem. You'll need to consult with the antenna manufacturer or have a radio shop measure the antenna impedance at the operating frequency it is intended to be used at as several antenna feed schemes will read a D.C. Short but at R.F. Frequencies will exhibit a significant impedance. Don't try and perform that measurement with the transponder (or any radio) connected to the feedline (coax)! Ray Montagne Cupertino, CA




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