Backcountry Pilot • Hand propping accident...I'm sure he didn't see that coming!

Hand propping accident...I'm sure he didn't see that coming!

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Re: Hand propping accident...I'm sure he didn't see that com

8GCBC wrote:
Sidewinder wrote:One of those cheap booster jump boxes from Harbor Freight would be a good option to pack along into the boonies, if your bird is a beast to prop. Would be nice to find one that wasn't made in China.


I used to think those booster boxes were for dweebs but, ......


I think your still right. I'm sure many of us on here are "dweebs" Myself strongly included :roll: .

Oxford definition Dweeb: A boring, studious, or socially inept person. Not very flattering I must say.
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Re: Hand propping accident...I'm sure he didn't see that com

Sidewinder wrote:
8GCBC wrote:
Sidewinder wrote:One of those cheap booster jump boxes from Harbor Freight would be a good option to pack along into the boonies, if your bird is a beast to prop. Would be nice to find one that wasn't made in China.


I used to think those booster boxes were for dweebs but, ......


I think your still right. I'm sure many of us on here are "dweebs" Myself strongly included :roll: .


If a dweeb flying forum was started I would be the first to be invited! :D

Many have promised to me!
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Re: Hand propping accident...I'm sure he didn't see that com

mtv wrote:Battson,

What engine/prop do you have? On Lycoming O 360s with constant speed props, I've been told that 12/6 is the only APPROVED indexing, but that is not correct. That is specific to a couple aircraft models, and even those are approved at 10/4 in the TC.

The only issue with these engines and Hartzell CS props is that you have to press out and re install the prop bushings. Some mechanics figure that's a PITA so they'll tell you it's not legal to change the indexing......hogwash, find a better mechanic.

I've been told by some folks that the 12/6 indexing reduces vibration......and that too is hogwash. At one point, our mech didn't want to re index for this reason. We had a vibration survey done, with the prop in each indexing. Turned out the vibration could easily be made the same by simple balancing.

It looks like you're experimental, in which case, do what you like.

And, yes, I've hand propped engines with "starter assist", and it can be easier. No more risk of getting your hand whacked as compared to just propping it.

MTV

This is the IO-540-A4, I have the MacCauley C235 prop with the integrated bushings which only fit onto the flange in two directions. I didn't realise that I could press those out. Although hand propping wasn't a main concern when I first installed it.
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Re: Hand propping accident...I'm sure he didn't see that com

My O-360 with a CS prop is indexed at roughly 10-4. Actually, it's backwards. It's indexed at 4-10. :) Really.

Cary
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Re: Hand propping accident...I'm sure he didn't see that com

I used a Harry Potter book for a wheel chock when my starter crapped out on me. Worked fine but it was a pain to roll the plane backwards so I could get it out, quite a bit of pull even at dead idle. You would think with all that magic in the book it would have just jumped up into my hand. #-o
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Re: Hand propping accident...I'm sure he didn't see that com

Check these out: http://antigravitybatteries.com/microstart/

I know people that carry then on their motorcycles when they go real deep back woods camping on bikes so we don't need to do this: https://www.youtube.com/watch?v=F-pzEAQQoow
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