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Old 01-03-2014, 10:33 PM   #5461
Dale Hunter
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Re: The never ending engine thread, East-West


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Quote:
Originally Posted by Nick Milligan View Post
Oh yeah, those spinner bolts are M5... I checked
I believe you Nick. As I have lots of 5M all thread. Easy to silver solder up a spinner center bolt.
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Old 01-03-2014, 10:38 PM   #5462
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Re: The never ending engine thread, East-West

My last method was to tap a length of stainless brake line for an Ultimate spinner.
My welder is a pain to dig out of its hole
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Old 01-03-2014, 10:41 PM   #5463
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Re: The never ending engine thread, East-West

Yes. The first ones that failed were on my da 85. When I removed the motor I thought thst was close.
On my gp 176 I used a 5mm bolts I think....that failed. So I drilled out the holes so I could just use 1/4 inch bolts and some blind nuts. They failed after a couple gallons. The wood was perfectly fine. I did not tell you the engine almost ripped of the stand because I new you would say dumb ass. These were rtl fastners and yes they look cheep. Should have never used them as I could have been hurt. Because those shinny blind nuts are not graded I will not use them again for engines
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Old 01-03-2014, 10:47 PM   #5464
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Re: The never ending engine thread, East-West

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Originally Posted by Lorne @ Pro-RC.ca View Post
Yes. The first ones that failed were on my da 85. When I removed the motor I thought thst was close.
On my gp 176 I used a 5mm bolts I think....that failed. So I drilled out the holes so I could just use 1/4 inch bolts and some blind nuts. They failed after a couple gallons. The wood was perfectly fine. I did not tell you the engine almost ripped of the stand because I new you would say dumb ass. These were rtl fastners and yes they look cheep. Should have never used them as I could have been hurt. Because those shinny blind nuts are not graded I will not use them again for engines
Well lets not get all over blind nuts. As there are as many grades as sources of them.

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Old 01-03-2014, 10:48 PM   #5465
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Re: The never ending engine thread, East-West

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Originally Posted by Nick Milligan View Post
My last method was to tap a length of stainless brake line for an Ultimate spinner.
My welder is a pain to dig out of its hole
Nice looking work Nick. One of the benefits of our hobby. The growing ability to problem solve.
-Dale-
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Old 01-03-2014, 10:54 PM   #5466
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Re: The never ending engine thread, East-West

I am sure some blind nuts are of quality grade. After looking at these I dont think they pass any grade. Just pointed it out so no one gets hurt doing the same thing. A flying motor with a 32" prop would not be good
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Old 01-03-2014, 11:10 PM   #5467
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Re: The never ending engine thread, East-West

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Originally Posted by Lorne @ Pro-RC.ca View Post
I am sure some blind nuts are of quality grade. After looking at these I dont think they pass any grade. Just pointed it out so no one gets hurt doing the same thing. A flying motor with a 32" prop would not be good
Would be interesting though
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Old 01-04-2014, 01:59 AM   #5468
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Re: The never ending engine thread, East-West

I like using both: blind nut in the firewall - bolt tightened down to the blind nut and then I "safety" the bolt by finishing with a Nylock on the exposed threads of the bolt. Sort of like the lock nut on a Saito four stroke. Perhaps it is overkill but it makes me fell more secure and I have never had a loose motor mount bolt.
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Old 01-04-2014, 06:30 AM   #5469
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Re: The never ending engine thread, East-West

Yup...quality rules again folks....buy the crap and it'll st on you!
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Old 01-04-2014, 07:27 AM   #5470
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Re: The never ending engine thread, East-West

Quote:
Originally Posted by Lorne @ Pro-RC.ca View Post
Yes. The first ones that failed were on my da 85. When I removed the motor I thought thst was close.
On my gp 176 I used a 5mm bolts I think....that failed. So I drilled out the holes so I could just use 1/4 inch bolts and some blind nuts. They failed after a couple gallons. The wood was perfectly fine. I did not tell you the engine almost ripped of the stand because I new you would say dumb ass. These were rtl fastners and yes they look cheep. Should have never used them as I could have been hurt. Because those shinny blind nuts are not graded I will not use them again for engines
Perhaps the torqee.er is the issue!
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