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Post  batjac Thu Dec 26, 2013 11:36 pm

Well, I just got my latest eBay purchase in the mail today.  Four Babe Bees that don't work at all.  All four are gunked up and frozen.  Man! I just love, love, LOVE getting Cox engines that don't work and setting them to rights.  Anyone can get an engine that's in good condition. It takes a real tinkerer to buy the broke ones and bring them back to their glory days again.  Thumbs Up  I'd have asked for something like this for Christmas, but my wife doesn't understand why I'd want to get broken stuff as a Christmas present.

This is the picture from the auction, so I knew they'd be the fixer-uppers I wanted.  I paid $20 for all four.  About $5 more than I was hoping for, but at the upper end of what I was willing to pay for them:
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Here they are lined up.  I've never had one with a crankcase like the one on the left.  From a car or boat, maybe?  I'll need to get a drive plate for it.
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One engine had this on it, but I've never seen this before. It looks like it was used to engage the spring starter. Did any of the Cox planes need one of these for the spring starter because of an odd shaped prop or something?
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I got three good metal backplates out of the four engines.  The previous owner torqued down on a screw too much on the right engine and broke the backplate.
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But, that's okay.  I can swap the broken backplate with the one off of this engine I acquired a while ago, and use the broken backplate with the tank that has the hole drilled in it.  I can just use a counter-sunk 2-56 screw for the broken hole.
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The Happy, Happy, HAPPY Mark
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Post  Mark Boesen Thu Dec 26, 2013 11:41 pm

hey Mark I'm happy, happy happy, for you, congrats!

That engine is from a Shrike, the little thingy is to engage the starter spring, you might want to keep that engine intact after cleaning.

I'll take a 'basket' deal every time, I love to restore, that's half the fun of collecting!
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Post  Jason_WI Fri Dec 27, 2013 12:33 am

The engine on the left in the second picture is from a car engine. It has a heavy duty crank in it. A Tee Dee .09 drive hub works perfectly but the back of it needs to be turned down to match the dia of the crankcase.

I used one of these car engines to make a Texaco style engine with the large crank, #8 cylinder, 8cc tank, and 5 fin head.

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Post  Kim Fri Dec 27, 2013 3:54 am

Yep!  Gems in the rough!!!!!!!!!  I'd always take my latest orphan to work and wave it around for the benefit of my buds there before working on it back at The Works!

"There's a great-running little engine in there somewhere, and I just got to bring him out!"
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Post  roddie Fri Dec 27, 2013 12:37 pm

Diamonds!!! I love getting a hold of old Babe Bee's!!! The broken backplate is also perfect to keep with your other modeling templates.. for sizing/marking/drilling a firewall. I suspect you could also pack the hole with JB Weld and re-drill/counter-bore it for a (non) fillister head 2-56 machine screw, and use it on an engine.

Congrats on a GREAT haul!!!

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Post  anm2 Fri Dec 27, 2013 2:23 pm

Jason_WI wrote:The engine on the left in the second picture is from a car engine. It has a heavy duty crank in it. A Tee Dee .09 drive hub works perfectly but the back of it needs to be turned down to match the dia of the crankcase.

I used one of these car engines to make a Texaco style engine with the large crank, #8 cylinder, 8cc tank, and 5 fin head.

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I imagine you used the car crankshaft. How did you attach the car crankshaft to the prop drive? Thanks, Andy
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Post  Jason_WI Fri Dec 27, 2013 2:33 pm

anm2 wrote:I imagine you used the car crankshaft.  How did you attach the car crankshaft to the prop drive?  Thanks,  Andy

The TD 09 or the Medallion 09 drive plate fits the large splined car crankshaft perfectly. The only thing I did to make it fit was to turn the back of the drive plate to the same diameter as the car crankcase.
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Post  anm2 Fri Dec 27, 2013 3:36 pm

Jason_WI wrote:
anm2 wrote:I imagine you used the car crankshaft.  How did you attach the car crankshaft to the prop drive?  Thanks,  Andy

The TD 09 or the Medallion 09 drive plate fits the large splined car crankshaft perfectly. The only thing I did to make it fit was to turn the back of the drive plate to the same diameter as the car crankcase.

I have only seen one type of car crankshaft. The one I have seen does not have a spline at all, it has a tapered nose that accepts some type of screw. Do you have a picture of the crankshaft you are describing? Thanks, Andy
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Post  anm2 Fri Dec 27, 2013 3:42 pm

Here is a link to the car crank that I am familiar with. Matt sells them.

http://www.exmodelengines.com/cox-.049-car-engine-crankshaft.html



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Post  Jason_WI Fri Dec 27, 2013 7:31 pm

That is the tapered end shaft that alot of the Cox cars had. There was also a large splined version that was used only on 1 or 2 cars. I dont have my info here with me to confirm that or which models it was used on.

Here is a link to the engine I built:

https://www.coxengineforum.com/t2503-cox-car-crankcase-with-large-splined-crankshaft

Not sure what happened to the pictures though.....
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Post  batjac Sat Dec 28, 2013 1:39 pm

Well. The other thing that I bought on eBay last week came in yesterday morning.  I bought this because I wanted the Pee Wee with the backplate for an external tank for yet another project on my future list.  It's fun, not only because I get to clean it up and re-use it, but because I got to have some fun with it yesterday.  My stepson spent Christmas with his father, so we have him this weekend.  We did the Christmas present thing last night when he got here, him getting his presents and everyone else having a present that we didn't open on Wednesday.  When this came in yesterday, I just wrapped the box in Christmas paper and put a bow on it.  After everyone had opened their presents, I opened this up, and "Oohed & Ahhhed" over it.  My mother looked at it for a minute and asked, "Where's the rest of it?"  I said this is all there is, and beamed at her happily.  She stared at the helicopter, stared and me, and just shook her head in puzzlement.   Laughing 

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Post  anm2 Sat Dec 28, 2013 5:29 pm

Jason_WI wrote:That is the tapered end shaft that alot of the Cox cars had. There was also a large splined version that was used only on 1 or 2 cars. I dont have my info here with me to confirm that or which models it was used on.

Here is a link to the engine I built:


https://www.coxengineforum.com/t2503-cox-car-crankcase-with-large-splined-crankshaft

Not sure what happened to the pictures though.....

So they did have two different types of car crankshafts. I searched the web and couldn't find a picture of the one you describe. I have two engines modified by Dale Kirn. They both use the car crankcase and crankshaft, with a very beefy prop driver. I couldn't figure out how he got the prop driver to stay on the car crank. Now I know. His prop driver looks like yours too, so I imagine he did the same thing. It is a cool looking engine. Thanks for explaining how you did it. Andy
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Post  dckrsn Sat Dec 28, 2013 7:08 pm

This is a large spline case and crank fresh out of the package.
The gunky stuff(assembly oil) is complements of the factory.
The baggie says P#6183 for 190-8.
Warren Leadbeatter's Wiki page says the 190-8 engine was for the
1969 AA/Fuel Dragster.
Bob
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Post  anm2 Sat Dec 28, 2013 9:19 pm

dckrsn wrote:This is a large spline case and crank fresh out of the package.
The gunky stuff(assembly oil) is complements of the factory.
The baggie says P#6183 for 190-8.
Warren Leadbeatter's Wiki page says the 190-8 engine was for the
1969 AA/Fuel Dragster.
Bob
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Thanks. That's helpful. Andy
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