RE: Bent crank ? I'll fix it for free.  
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RE: Bent crank ? I'll fix it for free. - 1/24/2008 3:28:38 AM   
Flyboy Dave



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From: San Bernardino County, CA, USA
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Thank you for the kind words, Richard.

I enjoy helping others in this hobby....goodness knows it's expensive enough as it is,
and the parts prices are rather high. I get a kick out of fixing things, and beating the
system out of a few bucks whenever I can, and I don't mind spreading some help
around if I can. Besides....I have a new dial indicator and stand, and a new brass
dead blow hammer to put into action....

....let the fun begin.

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RE: Bent crank ? I'll fix it for free. - 1/24/2008 3:41:46 AM   
rainedave



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Joined: 7/21/2005
From: Greensboro, NC, USA
Status: online

quote:

ORIGINAL: Flyboy Dave

Thank you for the kind words, Richard.

I enjoy helping others in this hobby....goodness knows it's expensive enough as it is,
and the parts prices are rather high. I get a kick out of fixing things, and beating the
system out of a few bucks whenever I can, and I don't mind spreading some help
around if I can. Besides....I have a new dial indicator and stand, and a new brass
dead blow hammer to put into action....

....let the fun begin.



That attitude is exactly what makes rc such a great hobby. Modelers helping modelers.

David

(in reply to Flyboy Dave)
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RE: Bent crank ? I'll fix it for free. - 1/24/2008 3:43:12 AM   
vicman



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From: Valdese, NC, USA
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Dave,
Do you want the whole engine or just the crank?


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RE: Bent crank ? I'll fix it for free. - 1/24/2008 3:54:48 AM   
Flyboy Dave



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From: San Bernardino County, CA, USA
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quote:

ORIGINAL: vicman

Dave,
Do you want the whole engine or just the crank?


The best thing for me, is to have the crankcase w/bearings, or bushings....and the crank like this:





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_____________________________

An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

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       Post #: 29

RE: Bent crank ? I'll fix it for free. - 1/24/2008 7:32:37 AM   
the pope


 

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quote:

ORIGINAL: vicman

Sheet, bar, coil, and wire are offered as cold rolled product. Plate is thicker and not available.
I will not stray any further from the topic. If you require further definition feel free to pm me.

Got me there ,I was only thinking of the stuff I use to work with. By the way an old trade school instructor once told me a boilermaker \welder was a sheetmetal worker with his brains beaten out. That should set the cat amonst the pidgens. Cheers the pope

< Message edited by the pope -- 1/24/2008 7:33:58 AM >

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RE: Bent crank ? I'll fix it for free. - 1/27/2008 2:02:02 AM   
Broken Wings



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From: Spaceport, FL, USA
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Just curious Dave, have you run across any new engines that don't have a 60 degree chamfer on the big end or a center drill on the small?
So you can run the crank between centers.....

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RE: Bent crank ? I'll fix it for free. - 1/27/2008 2:33:38 AM   
Flyboy Dave



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From: San Bernardino County, CA, USA
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....not really....any engine turned like this could checked on centers, like on a lathe. I have
seen some older engines that were not turned on the big end... just rough cast and drilled
for the air passage.

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_____________________________

An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

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       Post #: 32

RE: Bent crank ? I'll fix it for free. - 1/27/2008 2:36:09 AM   
Flyboy Dave



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From: San Bernardino County, CA, USA
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quote:

ORIGINAL: craigpuckett

I will be sending Dave a very bent LA40 crankshaft as soon as I work off this evening....


....it hasn't arrived yet, Craig. Maybe monday.


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An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

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RE: Bent crank ? I'll fix it for free. - 1/27/2008 2:45:20 AM   
Kimhoff



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Flyboy,

Can you give a step by step for doing this? I have the tools to do this but want to confirm the approach.

Thanks

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RE: Bent crank ? I'll fix it for free. - 1/27/2008 3:00:14 AM   
Flyboy Dave



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....yep. I'll show exactly how it's done....no problem.

FBD.

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An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

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       Post #: 35

RE: Bent crank ? I'll fix it for free. - 1/27/2008 10:56:03 AM   
Edwin


 

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I may have one for you later today. I planted my P90 yesterday and took 5 minutes of pulling and wiggling to get the saito 120 out of the ground. Will know after I disassemble it.
Edwin

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RE: Bent crank ? I'll fix it for free. - 1/27/2008 10:13:11 PM   
Flyboy Dave



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Well Edwin....hopefully it's not bent....

....but if it is, it can probably be straightened.

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An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

(in reply to Edwin)
       Post #: 37

RE: Bent crank ? I'll fix it for free. - 1/28/2008 4:20:27 AM   
craigpuckett


 

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I sent it out thursday Dave,like you said "maybe Monday"

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RE: Bent crank ? I'll fix it for free. - 1/28/2008 4:22:54 AM   
Flyboy Dave



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From: San Bernardino County, CA, USA
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....did you say the crank was stuck in the case ???

_____________________________

An engineer says.... "That won''t work".
A mechanic says..."Oh yeah, watch this".
"Old Age, and Treachery will overcome youth and skill".
Revver Bro #4.

(in reply to craigpuckett)
       Post #: 39