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Cambridge S-nav Help
Hi All, I've currently got a s-nav installed in my pegasus. The problem is can you wire up a undercarrage alarm like what you can do the the L-nav?? I fly on tarmac runways so the idea of landing with the wheel up doesn't sound like FUN I think its version 7.9 on the software regards Jan |
#2
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Cambridge S-nav Help
The problem is can you wire up a undercarrage alarm like what you can do the the L-nav?? I saw that option on my S-nav and decided it was a very bad idea. The gear warning should be a different sound, coming from a different place in the cockpit and preferably quite loud. Think about it, you have been hearing the S-nav audio all day long................do you thing one more sound coming from the same place will get your attention? JJ PS, Got to tell a gear-up story. At Truckee a few years back we saw a bird coming in with gear not extended, so we called on 122.8............nothing! Then we tried 123.3..............still nothing. Then we waved our hands as the ship floated by.............the pilot waved back! When we got to the ship it was hard to communicate with the pilot because the gear warning horn was making so much noise! So much for gear warning devices! I have had 2 gears collapse on me, but have yet to not extend it. My landing check is WWW.TFR Wheel Wind Water Traffic Flaps (& Spoilers) Radio |
#3
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Cambridge S-nav Help
JJ Sinclair wrote:
Think about it, you have been hearing the S-nav audio all day long................do you thing one more sound coming from the same place will get your attention? Can't say about the S-Nav but on the 302 (same manufacturer), the gear warning sound is MUCH different than that of the normal vario. ...When we got to the ship it was hard to communicate with the pilot because the gear warning horn was making so much noise! So much for gear warning devices! It's a tool, not a fool-proof system. I've heard many more stories where a gear warning prevented a gear-up (I have one :-) ). Tony V. LS6-b "6N" |
#4
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Cambridge S-nav Help
Hi Jan,
I believe you can and it is probably explained in the manual, which is available he http://www.cambridge-aero.com/manuals.htm Or you could go with the recorded voice option ("Put the gear down you idiot!, Put the gear down you idiot!, Put the gear down you idiot!....") from Tasman: http://www.cumulus-soaring.com/tasman.htm#TB32 Good Soaring, Paul Remde Cumulus Soaring, Inc. http://www.cumulus-soaring.com "Jan Eldem" wrote in message ... Hi All, I've currently got a s-nav installed in my pegasus. The problem is can you wire up a undercarrage alarm like what you can do the the L-nav?? I fly on tarmac runways so the idea of landing with the wheel up doesn't sound like FUN I think its version 7.9 on the software regards Jan |
#5
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Cambridge S-nav Help
Jan,
I'm almost sure the S-Nav doesn't have the possibility of wiring a gear warning to it. This is the small difference to the L-nav. In my club we have 4 (out of 5) gliders equipped with L-navs/S-nav. Although the wheel warning of the L-Nav is a nice feature we have removed it in all our ships (to my regret) and replaced it by a simple buzzer, because the L-Nav has one big drawback in the warning system: When turning down the volume - f.i. in the circuit - the wheel warning sound is turned down as well. With the Cambridge 302 the warning sound is NOT dependent on the audio volume of the vario and in our private glider we have installed the 302 gear warning system, which works perfect! Bert (The Netherlands) At 13:27 06 June 2008, Paul Remde wrote: Hi Jan, I believe you can and it is probably explained in the manual, which is available he http://www.cambridge-aero.com/manuals.htm Or you could go with the recorded voice option ("Put the gear down you idiot!, Put the gear down you idiot!, Put the gear down you idiot!....") from Tasman: http://www.cumulus-soaring.com/tasman.htm#TB32 Good Soaring, Paul Remde Cumulus Soaring, Inc. http://www.cumulus-soaring.com "Jan Eldem" wrote in message ... Hi All, I've currently got a s-nav installed in my pegasus. The problem is can you wire up a undercarrage alarm like what you can do the the L-nav?? I fly on tarmac runways so the idea of landing with the wheel up doesn't sound like FUN I think its version 7.9 on the software regards Jan |
#6
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Cambridge S-nav Help
Similar experiences as JJ. Two gears collapsed (LS); none forgotten.
Except...on my first contest finish in a high-performance sailplane, I came in low and hot, pulled up, did a 270 right and 90 left to land the other way, and touched down smoothly...with the gear horn going off in my ear. I had extended the wheel but in the rush to get sorted out I hadn't folded the handle quite far enough over in the locking slot. The gear was fine, and I've hypothecized (rationalized?) that the reason my mind ignored the warning was because subconsciously I knew the wheel was down. Whetever, it never really registered. And this was during the kind of stressful situation that might cause me to forgot. So I haven't installed a warning horn in any gliders since then. So far I'm 100% gear down. Although I did forget to dump water ballast once...during a low, fast contest finish requiring a 180 to hook the gate, then completing the 360 to end up on downwind before merging with traffic finishing from the opposite direction. Hmmm. Interesting what stress will do. Chip Bearden ASW 24 "JB" USA |
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Cambridge S-nav Help
On Jun 6, 7:14*am, Jan Eldem wrote:
Hi All, I've currently got a s-nav installed in my pegasus. The problem is can you wire up a undercarrage alarm like what you can do the the L-nav?? I fly on tarmac runways so the idea of landing with the wheel up doesn't sound like FUN I think its *version 7.9 on the software regards Jan Sorry, Jan. You will have to add a seperate buzzer. The S-Nav does not have this capability. Steve Leonard S-Nav driver Wichita, KS |
#8
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Cambridge S-nav Help
Hi Guys, thanks for such a quick response!! I'll go down the line of fitting a stand alone system now then. Kind regards Jan Eldem |
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