---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Thu 05/06/10: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 10:43 AM - Re: Re: Baklan 5 radio problem (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E) 2. 06:17 PM - Re: Cockpit mounted video cameras (Tim Gagnon) ________________________________ Message 1 _____________________________________ Time: 10:43:41 AM PST US Subject: RE: Yak-List: Re: Baklan 5 radio problem From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" Sure... No big deal. If you do it right, and I thought most everyone had done that it on purpose at least once in their lives. I have to tell you a story here if I may. It goes back to when I was a young idiot (now I am an old one) and wanted to save money. I'd rent a PA-28-140, take it up as high as I could make it go, cool it down, then bring the throttle to idle, turn off the mags, put down the flaps, hold the nose up right into the stall and get the prop to STOP. Of course now you have no oil pressure. Which means the rental aircraft HOBS meter stops. Which means you now have FREE FLIGHT TIME! YES SIR BUDDY! But of course, you are also a glider. It is actually hard to get the prop to stop. It WANTS to windmill. All you have to do is push the nose over and let the speed come up and the prop will start turning all by itself, no starter required. Of course, if you want to be REALLY safe, do it over an airport! This is actually fun to do in our aircraft! I do not do it all the time, but I have taken my YAK-50 up to 10,000 feet or so, cooled it down slowly and then following the procedure above, stop the prop. Open the canopy. Take your freaking headset off! Enjoy the sound of NO ENGINE and just wind noise going by. It's a ton of fun really. However, it is pretty darn hard to keep that prop STOPPED. Just a simple increase in airspeed and away it goes. Turn the mags back on, bring up the power very slowly and let the engine warm up again. Do NOT take it all the way to low altitude and then just RAM the power to the engine. Not a smart move. However if you do it right, it is perfectly safe. No, I do not do it all the time, once or twice in 10 years. The only real hazard of doing this is if you turn off the mags with the engine developing serious power. Turning them off and then back on again is simply not too smart when the engine is putting out serious energy! It is hard to actually do this, but if you ever accidentally turn the mags off in flight, the smart procedure is to NOT TURN THEM BACK ON AGAIN. Bring the throttle to idle and THEN turn the mags back on again and bring your power up slowly. If you wanted to be REALLY safe, you would also bring your mixture to cut off and THEN turn the mags back on as well. Then bring in the mixture, and bring up the throttle(s). Of course the M-14's have no mixture control. Using the throttle method alone works just fine. Mark Bitterlich -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of William Halverson Sent: Thursday, May 06, 2010 1:19 AM Subject: Re: Yak-List: Re: Baklan 5 radio problem --> Both off in flight? I did that once by accident and scared the Hell out of myself ... What's the restart procedure? In my case when I turned them both back on I thought the engine was going to jump of the front end of my a/c! +-----Original Message----- +From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E +[mailto:mark.bitterlich@navy.mil] +Sent: Wednesday, May 5, 2010 10:53 AM +To: yak-list@matronics.com +Subject: RE: Yak-List: Re: Baklan 5 radio problem + +--> Point, MALS-14 64E" + +Great info. + +Bottom line... Anything that creates a spark creates RF noise as well, +especially when dealing with high voltage sources. The very first +radios were made using what was called "Spark Gaps", and they still +work! + +This problem would have been found by turning the mags off one at a +time then both at once for a short duration in flight. + ________________________________ Message 2 _____________________________________ Time: 06:17:58 PM PST US Subject: Yak-List: Re: Cockpit mounted video cameras From: "Tim Gagnon" The Vholder cameras are toys....plain and simple. They are NOT built to handle the rigors of airplanes. I would recommend the VIO POV.15. The thing was built to milspec standards and is solid as a rock. We use the shit out of ours all over the helicopter and could not be happier. I own a Vholdr and never use it.... Two camera heads available; 110 and 70 degree FOV. The POV is NOT HD but the quality is good. http://www.vio-pov.com/ Some video we shot on a recent gun shoot. Make sure you watch it at 720P http://www.youtube.com/watch?v=wuY9fE84Po0 Worth the money...especially when you get them for dealer cost! Wish I had one when I had my -50. 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