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Ah yes! The long lost Cox Skate Prototype
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Ah yes! The long lost Cox Skate Prototype
Ah, if only I had money in the budget for this lost Cox gem...
http://www.ebay.com/itm/VINTAGE-SKATE-UNMARKED-GAS-CONTROL-LINE-AIRPLANE-MOTOR-ENGINE-BY-COX-TESTORS-/252095325924?hash=item3ab20d66e4
The Losing It Mark
http://www.ebay.com/itm/VINTAGE-SKATE-UNMARKED-GAS-CONTROL-LINE-AIRPLANE-MOTOR-ENGINE-BY-COX-TESTORS-/252095325924?hash=item3ab20d66e4
The Losing It Mark
batjac- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
The Back To The Future Marty McFly special. 
Bob

Bob
rsv1cox- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
Awesome!
Phil
Phil
pkrankow- Diamond Member
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Location : Ohio
Re: Ah yes! The long lost Cox Skate Prototype
I have to admit, if i was a kid with a skate and an engine, that skate would have been flying through the old Goodyear store parking lot. I didn't know anything about tether cars when I was a kid...
The Young At Heart Mark
The Young At Heart Mark
batjac- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
Here's a similar model, a bit more sophisticated though
http://www.ebay.com/itm/Cox-049-Glow-Engine-With-Customer-Made-Free-Ride-Car-/391263945802?hash=item5b1926044a



http://www.ebay.com/itm/Cox-049-Glow-Engine-With-Customer-Made-Free-Ride-Car-/391263945802?hash=item5b1926044a

OVERLORD- Platinum Member
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Re: Ah yes! The long lost Cox Skate Prototype
OVERLORD wrote:Here's a similar model, a bit more sophisticated though![]()
![]()
http://www.ebay.com/itm/Cox-049-Glow-Engine-With-Customer-Made-Free-Ride-Car-/391263945802?hash=item5b1926044a
Hmmm... Seems like it could be done a little lighter with some PVC rectangular tube. I DO have a spare set of wheels for my Tamiya Cricket, which are pretty much direct replacements for the Cox Sandblaster. Maybe I'll have to make something up. Perhaps an unofficial 2016 CEF Home Brew Cox Tether Car Competition?
The Scheming Mark
batjac- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
Now this definitely calls for a tethered profile Leyat Helica speed model



KariFS- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
batjac wrote:OVERLORD wrote:Here's a similar model, a bit more sophisticated though![]()
![]()
http://www.ebay.com/itm/Cox-049-Glow-Engine-With-Customer-Made-Free-Ride-Car-/391263945802?hash=item5b1926044a
Hmmm... Seems like it could be done a little lighter with some PVC rectangular tube. I DO have a spare set of wheels for my Tamiya Cricket, which are pretty much direct replacements for the Cox Sandblaster. Maybe I'll have to make something up. Perhaps an unofficial 2016 CEF Home Brew Cox Tether Car Competition?
The Scheming Mark
I'm IN for a Cox build your own tether car contest!! Cool!!
crankbndr- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
Good idea; wheel or prop driven?
OVERLORD- Platinum Member
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Re: Ah yes! The long lost Cox Skate Prototype
Keeping the spirit of the skate, how bout prop? I'm not to good with gears.
crankbndr- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
Count me in if it's prop,
Jim
Jim
JPvelo- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
OVERLORD wrote:Good idea; wheel or prop driven?
Well, keeping with the "unofficial" theme, I suggest we go with the International Chinese Downhill rules.
batjac- Diamond Member
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happydad- Platinum Member
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Re: Ah yes! The long lost Cox Skate Prototype
HD, apparently, they were made by Scientific. If the one above is the one you saw on eBay, here's another one:
http://www.ebay.fr/itm/Thimble-Drome-Gas-Powered-Tether-Car-Oiginal-Babe-Bee-Engine-Driver-1950s/151824026401?_trksid=p2045573.c100033.m2042&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20140423084956%26meid%3De074b88b47f448a2857ffc84a5648a84%26pid%3D100033%26rk%3D2%26rkt%3D4%26sd%3D291568842987
http://www.ebay.fr/itm/Thimble-Drome-Gas-Powered-Tether-Car-Oiginal-Babe-Bee-Engine-Driver-1950s/151824026401?_trksid=p2045573.c100033.m2042&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20140423084956%26meid%3De074b88b47f448a2857ffc84a5648a84%26pid%3D100033%26rk%3D2%26rkt%3D4%26sd%3D291568842987
OVERLORD- Platinum Member
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well, they are worth about 8 euro, but not the 22euro for shipping
OVERLORD wrote:HD, apparently, they were made by Scientific. If the one above is the one you saw on eBay, here's another one:
http://www.ebay.fr/itm/Thimble-Drome-Gas-Powered-Tether-Car-Oiginal-Babe-Bee-Engine-Driver-1950s/151824026401?_trksid=p2045573.c100033.m2042&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20140423084956%26meid%3De074b88b47f448a2857ffc84a5648a84%26pid%3D100033%26rk%3D2%26rkt%3D4%26sd%3D291568842987
well, they are worth about 8 euro, but not the 19euro for shipping. I thought it was something someone made from wood for an ugly duckling contest. Oops, did I say that out loud.

happydad






happydad- Platinum Member
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Re: Ah yes! The long lost Cox Skate Prototype
crankbndr wrote:Keeping the spirit of the skate, how bout prop? I'm not to good with gears.
Prop is fine, less complicated and a great source for creativity!! What will be the next step? Rules?
BTW what circle diameter is needed for an 049 driven vehicle? Do instructions of f.i. Prop Rod say anything about it?
OVERLORD- Platinum Member
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Re: Ah yes! The long lost Cox Skate Prototype
Cox early Prop Rods used a 7' cable, came in starting kit.
crankbndr- Diamond Member
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I am in for a CEF prop driven car/skate compitition
This can get really creative, and I am looking forward to the rules. Already have a couple of ideas
Perhaps a few classes for Bee and TeeDee Cox only engines
Perhaps a few classes for Bee and TeeDee Cox only engines
fredvon4- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
How bout 8' radius circle and Cox .049 engine. One of the problems with TD is finding prop cause they won't run backwards. There are reverse cranks around.
crankbndr- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype





getback- Top Poster
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Backwards?
Crankbndr: if they won't run backwards why did Cox make a spring starter to start them backwards? And yes you will need a different prop. My shrike has a starter spring the winds to the left and starts CW which is backwards. So did the Prop Rod and Water Wizard.crankbndr wrote:How bout 8' radius circle and Cox .049 engine. One of the problems with TD is finding prop cause they won't run backwards. There are reverse cranks around.

Or are you talking specifically about the TeeDee? And yes there are reverse crankshafts around. Cal-Dan or whatever name he is using on eBay today has several for about $10.00 plus shipping. TD crankshaft LH. Sorry about the misunderstanding.


Happydad

happydad- Platinum Member
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suggestions rules
I've been thinking about some suggestions for rules or guidelines for the contest. :
- Radius of 8' or 2,44m from centrepoint to the mounting points on the car body or chassis.
- Length of the car fixed at 12" or 30 cm (length of the Shrike ) from one end of body/chassis to the prop washer. ( Or would it be better to fix a wheelbase?)
- Car must be of the full body type and not a profile or a flat plank. The car can have a chassis with body or have a monocoque construction.
- Wheel track is free, the car must have 4 wheels touching the ground. wheels can be of different diameter front / back.
- Engine must be a Cox 049 tanked reed engine, mounted forward, in the middle or at rear; pusher or puller, pointing forward or backwards. Propeller choice is free.
These are just ideas. Other suggestions or modifications if necessary are welcome.
What are we aiming for? 10 laps / fastest time? Number of laps with fixed amount of fuel? what about fuel to use? TD class? End date?
I found some Shrike and Prop Rod video's on Utube:
https://www.youtube.com/watch?v=1BTZg9B2x80
https://www.youtube.com/watch?v=U-JHfjNuL18
- Radius of 8' or 2,44m from centrepoint to the mounting points on the car body or chassis.
- Length of the car fixed at 12" or 30 cm (length of the Shrike ) from one end of body/chassis to the prop washer. ( Or would it be better to fix a wheelbase?)
- Car must be of the full body type and not a profile or a flat plank. The car can have a chassis with body or have a monocoque construction.
- Wheel track is free, the car must have 4 wheels touching the ground. wheels can be of different diameter front / back.
- Engine must be a Cox 049 tanked reed engine, mounted forward, in the middle or at rear; pusher or puller, pointing forward or backwards. Propeller choice is free.
These are just ideas. Other suggestions or modifications if necessary are welcome.
What are we aiming for? 10 laps / fastest time? Number of laps with fixed amount of fuel? what about fuel to use? TD class? End date?
I found some Shrike and Prop Rod video's on Utube:
https://www.youtube.com/watch?v=1BTZg9B2x80
https://www.youtube.com/watch?v=U-JHfjNuL18
Last edited by OVERLORD on Wed Sep 23, 2015 4:25 pm; edited 1 time in total
OVERLORD- Platinum Member
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Re: Ah yes! The long lost Cox Skate Prototype
Nice job OVERLORD! I like everything but think a minimum car length would be good? 11" or 12" minimum?
I like timed laps for speed also.

I like timed laps for speed also.
crankbndr- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
The "box" must be defined better. What is the minimum maximum dimension in all directions. (yes I think I said that right) Take a prop rod and measure it, that probably is a good choice.
So
chassis wheel base and width
body width and height
open vs closed wheels? Pants? Drive tire(s)?
Phil
So
chassis wheel base and width
body width and height
open vs closed wheels? Pants? Drive tire(s)?
Phil
pkrankow- Diamond Member
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Re: Ah yes! The long lost Cox Skate Prototype
*SIGH*
Y'all are too detailed for l'il ole me. I was thinking more along the lines of: Build whatever you want, with whatever you want, and using whatever engine you want. Only rule is that you post a video of what you built running.
The Simplistic Mark
Y'all are too detailed for l'il ole me. I was thinking more along the lines of: Build whatever you want, with whatever you want, and using whatever engine you want. Only rule is that you post a video of what you built running.
The Simplistic Mark
batjac- Diamond Member
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