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cd001633(at)mindspring.co
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 Posted: Tue Apr 11, 2006 7:41 pm Post subject: Hand Proping - (was Air.....in an emergency.) |
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How are the ‘Gang’ in Deer Valley doing nowadays? Please give them my best regards!
The procedure you described here is absolutely exactly what we do down here in Miami! It’s safer that way (pushing start button after the “Proper” started moving the prop) and it works like a charm. Based on my experience doing this (Mostly as Proper), if the priming and pulling is done well, the M-14 will start on the first blade 9 out of 10 starts.
Keep it safe and cool,
Sam Sax
From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Jim Shafer
Sent: Tuesday, April 11, 2006 5:09 PM
To: yak-list(at)matronics.com
Subject: Re: Air.....in an emergency.
From Deer Valley where the sheer volume of CJs, Yak-52s, Yak-50s etc etc make it likely that someone will not have enough air to start from time to time. We have Scuba bottles with the appropriate fittings scattered around the airport, but Bill Blackwell is available to put some Okie muscle into starting. (but flabby, 65 year old me can easily prop a M-14 so you don't need muscle to do it)
After the engine is primed and pulled through with all the proper communication between propper and pilot, the brakes are set (if there is enough residual air) or the airplane is chocked and/or tied down.
With the MAGS OFF the puller moves the blade into position for pulling. He counts to three and pulls. The pilot is readied by the count and AFTER he sees the prop moving, he hits the start switch. The Start switch is not activated until AFTER the puller starts pulling. The puller cannot be surprised by a sudden movement of the prop.
Do not forget that a M-14 can be started by ANY movement of the prop with the shower of sparks on. Just a nudge, a slight touch is enough sometimes. Even if you have spent 20 minutes trying to start it and have run out of air. The next minute movement of the prop might start the engine.
Be careful out there.
EB
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dsavarese(at)elmore.rr.co
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| Posted: Wed Apr 12, 2006 3:15 am Post subject: Hand Proping - (was Air.....in an emergency.) |
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Good point Sam.......Push the Start button after the proper starts pulling the blades. One other point. Stand behind the prop blade on the left side of the fuselage and pull down. Not only is it safer, but I find it far less intimidating. Taller folks have a much easier time with it than us shorter folks. More leverage.
Dennis
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