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Levent Suberk's

"Medallion .049"



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Help with Disassembly

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Help! Help with Disassembly

Post  SteveM on Wed Jan 16, 2019 1:35 am

I wish to take apart this assembly.
Please explain how to remove flywheel from case?

Help with Disassembly Img_1121

Thanks in advance...
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Help! Re: Help with Disassembly

Post  Jason_WI on Wed Jan 16, 2019 2:13 am

I think that is the large splined Cox .049 engine. Take out the 5-40 tapered screw. Put in a hardned 5-40 cap screw and either use a arbor press or tap it off with a hammer. Careful not to break the plastic cooling fins if you want to save the flywheel.

These large splined engines make nice diesel conversions. A TD 09 or medallion 09 drive plate fits these engines. Just need to turn them down on the OD to look nice.
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Help! Re: Help with Disassembly

Post  Mudhen on Wed Jan 16, 2019 2:50 am

That looks like an early Buick Riviera flywheel.
Quite rare.
If it is, it should have a stock Babe Bee crankshaft.
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Help! Re: Help with Disassembly

Post  Oldenginerod on Wed Jan 16, 2019 3:00 am

Jason_WI wrote:I think that is the large splined Cox .049 engine. Take out the 5-40 tapered screw. Put in a hardned 5-40 cap screw and either use a arbor press or tap it off with a hammer. Careful not to break the plastic cooling fins if you want to save the flywheel.

These large splined engines make nice diesel conversions. A TD 09 or medallion 09 drive plate fits these engines. Just need to turn them down on the OD to look nice.  

Just to add a couple more details to Jason's description, you put the crankcase on its back end on a hard surface with the nose of the crankshaft pointing up. As Jason said, now screw the cap-screw into the crankshaft leaving a gap between the underside of the screw's head and the face of the flywheel. Lightly tap or press on the head of the screw, forcing the crankshaft down towards the bench. Once the screw head bottoms against the flywheel, remove it and check if the flywheel is free. If not, re-install the screw, leaving a gap, and press it down a little further. Make sure the screw is long enough that it screws well into the crankshaft while still leaving a gap. If it only turns in a couple of turns you may damage the threads
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Help! Re: Help with Disassembly

Post  SteveM on Thu Jan 17, 2019 5:54 pm

Oldenginerod wrote:
Jason_WI wrote:I think that is the large splined Cox .049 engine. Take out the 5-40 tapered screw. Put in a hardened 5-40 cap screw and either use a arbor press or tap it off with a hammer. Careful not to break the plastic cooling fins if you want to save the flywheel.

These large splined engines make nice diesel conversions. A TD 09 or medallion 09 drive plate fits these engines. Just need to turn them down on the OD to look nice.  

Just to add a couple more details to Jason's description, you put the crankcase on its back end on a hard surface with the nose of the crankshaft pointing up. As Jason said, now screw the cap-screw into the crankshaft leaving a gap between the underside of the screw's head and the face of the flywheel.  Lightly tap or press on the head of the screw, forcing the crankshaft down towards the bench.  Once the screw head bottoms against the flywheel, remove it and check if the flywheel is free.  If not, re-install the screw, leaving a gap, and press it down a little further.  Make sure the screw is long enough that it screws well into the crankshaft while still leaving a gap.  If it only turns in a couple of turns you may damage the threads

Thanks so much for your help, I was able to disassemble and clean.

Help with Disassembly Img_1122


"That looks like an early Buick Riviera flywheel.
Quite rare.
If it is, it should have a stock Babe Bee crankshaft."
Mudhen,

Please explain, engine has the following:
'6' on the cylinder
W shaped filament in head
'Thimble Drome' on tank

I replaced the NV, the one installed was damaged.

Help with Disassembly Img_1123
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Help! Re: Help with Disassembly

Post  Cribbs74 on Thu Jan 17, 2019 9:37 pm

Looks like you have what Mudhen suggested.

All the #6 signifies is it does not have SPI, did it have a muffler at one time?

The W element could just signify it was replaced in the early 70’s.

Ron
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Help! Re: Help with Disassembly

Post  SteveM on Thu Jan 17, 2019 11:01 pm

Cribbs74 wrote:Looks like you have what Mudhen suggested.

All the #6 signifies is it does not have SPI, did it have a muffler at one time?

The W element could just signify it was replaced in the early 70’s.

Ron

This was a recent ebay purchase. I wanted the engine with the screen, so the other ,to me, was a bonus.
I don't know anything about this type, so any info would be appreciated.

Help with Disassembly S-l16012
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Help! Re: Help with Disassembly

Post  Jason_WI on Fri Jan 18, 2019 8:25 am

Unless my tired eyes are fooling me that looks like a large splined crankshaft.
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Help! Re: Help with Disassembly

Post  getback on Fri Jan 18, 2019 3:05 pm

From the size i would say So ,, what plane did that engine with the screen and metal mount come off of ? Shocked
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Help! Re: Help with Disassembly

Post  Mudhen on Fri Jan 18, 2019 4:09 pm

Jason_WI wrote:Unless my tired eyes are fooling me that looks like a large splined crankshaft.
It is a large spline.
I thought it was an early issue was because in his first picture I didn't see a cylinder riser and the outer flywheel looked anodized, though faded.
Maybe my it's my "tired eyes." Sad
Here's a pic of an initial issue which has a standard Bee crank.
Help with Disassembly Rivier10
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Help! Re: Help with Disassembly

Post  SteveM on Sat Jan 19, 2019 6:06 am

getback wrote:From the size i would say So ,, what plane did that engine with the screen and metal mount come off of ? Shocked

The engine with the mount came from a vehicle model.
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Help! Re: Help with Disassembly

Post  SteveM on Fri Feb 01, 2019 5:47 pm

Mudhen wrote:
Jason_WI wrote:Unless my tired eyes are fooling me that looks like a large splined crankshaft.
It is a large spline.
I thought it was an early issue was because in his first picture I didn't see a cylinder riser and the outer flywheel looked anodized, though faded.
Maybe my it's my "tired eyes." Sad
Here's a pic of an initial issue which has a standard Bee crank.
Help with Disassembly Rivier10

Not understanding the terms you are using,(i.e. cylinder riser), please explain.
I want to learn about these motors, any info would be great.
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Help! Re: Help with Disassembly

Post  Levent Suberk on Fri Feb 01, 2019 8:35 pm

I think that riser is a shim under cylinder:

https://www.coxengineforum.com/t7715-cylinder-shims
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Help! Re: Help with Disassembly

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