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Cox Engine of The Month
September-2020
sosam117's

"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."



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Post  RNajarian on Sun Jul 19, 2020 7:50 pm

My nephew won a competition on the Disney Channel and got a wow wow wee 3 D printer. He said he would help me print out an external gas tank for one of my engines.

I have been unable to locate the files needed to 3D print an external tank for my .049 engine.

Any one know were I can find those files?

Thanks
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Post  happydad on Sun Jul 19, 2020 9:50 pm

RNajarian wrote:My nephew won a competition on the Disney Channel and got a wow wow wee 3 D printer. He said he would help me print out an external gas tank for one of my engines.

I have been unable to locate the files needed to 3D print an external tank for my .049 engine.

Any one know were I can find those files?

Thanks

You may not be able to print it on your wow wow wee 3D printer. You need to show specs. Table printing area, L x W x H, nozzle size Etc.

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Post  getback on Mon Jul 20, 2020 6:45 am

Hey Rnajarian there has been some discussion about this very thing Ian and Jason are the ones that have ur answers , here is one link i will see if i can find some others Jason printed a very small tank for Bob in WV. some time back. You can us the search feature in the upper right corner ^^^^ https://www.coxengineforum.com/t5934p25-3d-printing?highlight=3d+printing July-27 https://www.coxengineforum.com/t13389-3d-printed-peewee-020-tank-backplate?highlight=fuel+tank Anyway there are a couple you can search if you will Laughing I Love This Forum! Tired w/ Coffee Read
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Post  Levent Suberk on Mon Jul 20, 2020 8:47 am

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Post  Levent Suberk on Mon Jul 20, 2020 8:50 am

Files for making Cox engine stands here for example:

https://www.thingiverse.com/thing:3433531

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Post  RNajarian on Mon Jul 20, 2020 9:22 am

Thanks Guys . . .

This is what I needed to get me started.

Hope to report back later with successful results.

I’ve already found files to replace the wheels on my Sandblaster and Dune Buggy

https://www.thingiverse.com/thing:3290637
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Post  getback on Mon Jul 20, 2020 10:23 am

Cool glad to hear and look forward to seeing what you come up with ..    Very Happy                                   Small Cox Logo Babe Bee .049 Small Cox Logo
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Post  happydad on Mon Jul 20, 2020 4:14 pm

RNajarian wrote:Thanks Guys . . .

This is what I needed to get me started.

Hope to report back later with successful results.

I’ve already found  files to replace the wheels on my Sandblaster and Dune Buggy

https://www.thingiverse.com/thing:3290637

I don’t think these wheels are real or soft. The other guys who sell these printed wheels tell you they are hard plastic and are good for display, but do not grab the dirt well. Maybe these are a different material.
  Again see me. I have several Sand Blaster bodies, chassis and I don’t know exactly how many wheels. I am in the process of making 1 a RC version with direction control and limited speed control via either exhaust throttle, or adjustable muffler.

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Post  happydad on Mon Jul 20, 2020 4:19 pm

RNajarian wrote:My nephew won a competition on the Disney Channel and got a wow wow wee 3 D printer. He said he would help me print out an external gas tank for one of my engines.

I have been unable to locate the files needed to 3D print an external tank for my .049 engine.

Any one know were I can find those files?

Thanks

How large a tank do you need ? I have 2 or 3 so where in the RC car conversion drawer. I need a 1/2ounce for the tee dee .020 Biplane and the ones I have are larger. Also I just bought a nice tank, but it is too large, maybe 2ounces. Clunk weight etc.. Can’t do pics yet with the iPad, but can type fast. Edit later after I find tanks.

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Post  RNajarian on Mon Jul 20, 2020 5:08 pm

happydad wrote:
RNajarian wrote:Thanks Guys . . .

This is what I needed to get me started.

Hope to report back later with successful results.

I’ve already found  files to replace the wheels on my Sandblaster and Dune Buggy

https://www.thingiverse.com/thing:3290637

I don’t think these wheels are real or soft. The other guys who sell these printed wheels tell you they are hard plastic and are good for display, but do not grab the dirt well. Maybe these are a different material.
  Again see me. I have several Sand Blaster bodies, chassis and I don’t know exactly how many wheels. I am in the process of making 1 a RC version with direction control and limited speed control via either exhaust throttle, or adjustable muffler.

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This is the exact project I am working on. I’ve got a near complete sandblaster and near complete dune buggy. We probably should PM the other our surplus parts. . .
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Post  Jason_WI on Mon Jul 20, 2020 10:23 pm

Google turns up nothing for a wow wow wee 3 D printer.

The material I was using, DuPont Zytel (natural, carbon fiber, and glass filled), went end of life. Sad

Zytel is a form of nylon so if you can print at extruder temps of 260C to 280C and have a bed temperature from 100C to 120C you should be able to print nylon direct to glass using Dimafix adhesive.

Matterhackers has a few versions of nylon PA6 and PA12 available. You would need to see if nitromethane softens the material up. Other than that you will need to experiment. PLA, ABS, and PETG will not work with direct glow fuel contact.

You will need to change to a hardened A2 tool steel nozzle of you print any carbon fiber or glass filled filaments.
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Post  RNajarian on Mon Jul 20, 2020 11:34 pm

I’m new to 3D printers, my nephew is handling the legwork.

Here is a photo of the printer. Definitely bigger than a breadbox.

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Post  happydad on Mon Jul 20, 2020 11:47 pm

RNajarian wrote:I’m new to 3D printers, my nephew is handling the legwork.

Here is a photo of the printer. Definitely bigger than a breadbox.

3 D gas tank 1a2e2e10

definitely not wow wow wee size. looks like a nice small printer, I am so jealous. I bought my youngest granddaughter a 3D pen last Christmas. 3D printing in a pen about 3/4 inch in diameter. She liked it for a while. you know girls and toys.Her sister is the one who just graduated US ARMY boot camp and goes back to Purdue soon. Army ride.
   keep at it and keep posting.

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Post  Jason_WI on Tue Jul 21, 2020 12:08 am

Yeah that’s a $6000 printer with an $1100 cart. We have a few of those at work. The acceleration and xy jerk needs to be tuned down a bit to take the ringing out but they can print pretty much any material. Hope he prints more than fidget spinners with it.
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Post  happydad on Tue Jul 21, 2020 1:40 am

Jason_WI wrote:Yeah that’s a $6000 printer with an $1100 cart. We have a few of those at work. The acceleration and xy jerk needs to be tuned down a bit to take the ringing out but they can print pretty much any material. Hope he prints more than fidget spinners with it.

a wow wow wee 3D printer costs $6000???? I thought it would be like the Easy Bake oven of old. Plastic kids oven, with a light bulb. WoW he hit it big. I have to find out what contest he was in. LOL  lol!  Damn!

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