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Cox Engine of The Month
Cox car engines
Page 1 of 1
Cox car engines
As a youngster, I went thru a good many Cox cars from the Chapperal to the corvette. When they broke or would no longer operate, I'd remove the glow head and maybe the needle valve and toss the sheetmetal frame and broken body in the trash. I vaguely remember trying to remove the flywheel , fan and gear with little success, the crank was not compatible with installing a prop driver for airplane use, so I don't remember keeping many of those engines. I do have a couple some where in the bottom of a box. I just received two more in a local purchase. So, I have a couple of questions:
1- Can these engines be repurposed to airplane use by removing the flywheel, fan, gear and installing a new crank with splined / threaded end to mount a prop driver?
2- If they can't be retro-fitted are they more valuable as a Replacement motor for cars?
See this listing, the bid price is way higher than what I'd expect, is that normal or is this one different? Mine have a sheet metal mounting bracket, this one does not:
http://www.ebay.com/itm/0-49-thimble-drome-wen-mac-cox-car-engine-/121582376
Thanks, Rene
1- Can these engines be repurposed to airplane use by removing the flywheel, fan, gear and installing a new crank with splined / threaded end to mount a prop driver?
2- If they can't be retro-fitted are they more valuable as a Replacement motor for cars?
See this listing, the bid price is way higher than what I'd expect, is that normal or is this one different? Mine have a sheet metal mounting bracket, this one does not:
http://www.ebay.com/itm/0-49-thimble-drome-wen-mac-cox-car-engine-/121582376
Thanks, Rene
Marleysky- Top Poster
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Posts : 3618
Join date : 2014-09-28
Age : 72
Location : Grand Rapids, MI
Re: Cox car engines
Hm if i'm not mistaken the crank for the car engines were a bit larger in diameter than the aircraft version. I have seen them used in planes though, you just have to have a drive-washer machined to fit the taper. (Bandit)
TDbandit- Platinum Member
- Posts : 897
Join date : 2014-12-01
Age : 52
Location : Riverdale Georgia
Re: Cox car engines
Rene , I had a bag of parts $ engines from a purchase and were fitting parts to make engines and Bandit is right larger diameter crank but I found larger cranks with splines that would fit the case but only one drive plate /// that is where the problem is, the drive plate 's are hard to find . I am not sure what engine they were on maybe someone else would no.Eric
getback- Top Poster
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Posts : 10428
Join date : 2013-01-18
Age : 67
Location : julian , NC
Re: Cox car engines
In my opinion the engine is worth more to the tether car tinkerers, those engines are from Cox 1/20 scale tether cars.
There is nothing special about the one in your link other than it has nice fan, flywheel, and gear.
This is the set up for a Cox Gurney Eagle
Cox Buick
There is nothing special about the one in your link other than it has nice fan, flywheel, and gear.
This is the set up for a Cox Gurney Eagle
Cox Buick
crankbndr- Top Poster
- Posts : 3109
Join date : 2011-12-10
Location : Homestead FL
Re: Cox car engines
Marleysky,
You may want to open this link: https://www.coxengineforum.com/h24-instruction-sheets
Under the 1973 Parts catalogue section you will find the exploded parts listing and view of the car engine and others that shows you the crankcase details as well as the splined shaft end that I believe is the same on all COX 049 reedies. So you just have to find a prop drive plate with which the car engine easily converts into a plane engine.
You may want to open this link: https://www.coxengineforum.com/h24-instruction-sheets
Under the 1973 Parts catalogue section you will find the exploded parts listing and view of the car engine and others that shows you the crankcase details as well as the splined shaft end that I believe is the same on all COX 049 reedies. So you just have to find a prop drive plate with which the car engine easily converts into a plane engine.
balogh- Top Poster
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Posts : 4951
Join date : 2011-11-06
Age : 66
Location : Budapest Hungary
Re: Cox car engines
balogh wrote:Marleysky,
You may want to open this link: https://www.coxengineforum.com/h24-instruction-sheets
Under the 1973 Parts catalogue section you will find the exploded parts listing and view of the car engine and others that shows you the crankcase details as well as the splined shaft end that I believe is the same on all COX 049 reedies. So you just have to find a prop drive plate with which the car engine easily converts into a plane engine.
Balogh- Thank you very much for the link. I never would have thought to look there. That's just incredible, one of the engines came off a "snowmobile" cause it has the thicker flywheel with the knurled surface and those little clutch dogs with springs for the pull starter! Thanks, I learned something again today!
Marleysky- Top Poster
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Posts : 3618
Join date : 2014-09-28
Age : 72
Location : Grand Rapids, MI
Re: Cox car engines
crankbndr wrote:In my opinion the engine is worth more to the tether car tinkerers, those engines are from Cox 1/20 scale tether cars.
There is nothing special about the one in your link other than it has nice fan, flywheel, and gear.
This is the set up for a Cox Gurney Eagle
Cox Buick
Yeah, I'm gonna keep an eye on that and see how high it gets, then I'll decide on wether to sell it or frankenstein'n it for airplane use. Well as noted from my behavior as a youngster, there may not be as many of the "car" engines as there are of the (normal, regular ?) standard 049 engines. The only one that survived the carnage, I still have although it's not a Cox, but the Testors Sprite Indy car, it was just too cool looking to crash. Thanks.
Marleysky- Top Poster
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Posts : 3618
Join date : 2014-09-28
Age : 72
Location : Grand Rapids, MI
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