markbitterlich(at)embarqm
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 Posted: Tue Nov 17, 2020 3:12 pm Post subject: Yak52TW stranded, anyone have Air near Winslow, AZ? |
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The only problem with electric start is battery capacity. What most Yak owners put in place of the original NiCAD battery won't hack the rather massive current draw of a starter motor. Nothing wrong with the idea though.... I've seen it work well.
Mark
P.s. I've seen that "Indian rope trick" in action. It was used to pull props through to get oil out on bigger radials a lot. Never seen it used to start one. I have visions of the engine pop starting, ripping the rope out of hand, rope wrapping around prop hub, etc. I've propped high compression IO550's safely. Standing behind the prop as Dennis mentioned works well, also standing sideways in front on the prop, reaching down with one hand and grabbing the prop end with one hand and pull as you walk away from the prop.
Bottom line, no matter how you do it there is some kind of "Danger Close" quite literally at hand. But when you have no other choice, it is best not to have to attempt it for the first time. Also, leather gloves are good to have available.
-------- Original message --------
From: dbflr <le_vix(at)hotmail.com>
Date: 11/17/20 15:56 (GMT-05:00)
To: yak-list(at)matronics.com
Subject: Yak-List: Re: Yak52TW stranded, anyone have Air near Winslow, AZ?
--> Yak-List message posted by: "dbflr" <le_vix(at)hotmail.com>
there's much safer and more efficient way of doing it than pulling a live prop by hand. grab a piece of rope and make a pocket at one end to envelope blade's tip, but not tight so it can slip when prop rotates about 90deg. then pull from a distance. actually it's a standard "ground support" tool for bigger radials.
or get rid of air start system completely. just fuggedaboutit ! have almost new electric start kit if anyone is interested
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=499412#499412
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