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Posted

No, it's an anti U-Boot torpedo ;)

Max

30YrsL8r, on 02 Sept 2013 - 5:38 PM, said:

Please tell me that green thing's not the fuel tank!

  • Like 1
Posted

And they had three of those things strapped to the car - and one was stuck to the front ?!

Thanks for the compliments guys. There is a quick video of the shapeways prototype running on the main page:

http://www.tamiyaclub.com/moviecomment.asp?id=4958&uid=50

It was a quick down a dirty trial to test my new GoPro set up on my transmitter so I can drive and film at the same time. I discovered a number of things not to do and hope that the next video will be much better.

I'll post a running video of this final build as soon as I have taken some good studio shots ;)

James.

Posted

So it has been 9 months in the making. I would like to thank everyone that has put up with my numerous updates and posted all the fantastic comments, it was thanks to you, and my extremely understanding wife that I have been able to finally get this finished.

That said these types of projects are never truly done and I already have ideas for changes. But this is it until I get it down to the beach for some poser shots and then a little action in the surf.

I don't know what I am more excited about, sharing my final build or seeing what everyone else comes up with when other members can finally get there hands on one.

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  • Like 8
Posted

Very cool finished product. I can't wait to get one when they are available. How stiff is the chassis? Does it flex much? I was thinking that hiding two aluminum 90 degree L brackets along the length would stiffen the chassis to prevent damage to the body after landing off jumps

  • Like 1
Posted

Very cool finished product. I can't wait to get one when they are available. How stiff is the chassis? Does it flex much? I was thinking that hiding two aluminum 90 degree L brackets along the length would stiffen the chassis to prevent damage to the body after landing off jumps

A 50cal or similar ie Radshape gearbox protector would stiffen the chassis if it needs it as per a SRB .
Posted

The chassis shown will be a 4mm milled Alu model, but what you are currently looking at is just a 3D print that is only for photo purposes. You can use a cut down SRB plate or similar after market Alu version. The body mounts in 3 points along the length of the chassis so that helps reduce the flex you normally get with a typical stock SRB.

Given how fast I have seen Jim aka Shodog make an SRB go, you might need more reinforcement to go that fast and survive :)

I designed the car to within similar constraints as the originals it chassis is based on. Good scale speeds, nothing too crazy.

Posted

For your production chassis how about making a recess that would allow a cut down stock fiberglass or aluminum chassis to sit in. Not visible from the bottom and the body covers the top.

Posted

Not a bad idea Jim, I'll take a look. I wanted to make the chassis you see available in 4mm Alu, but Shapeways don't do CNC parts - yet :)

James.

  • Like 1
Posted

Hi Jim,

Glad to hear you really want one - thank you. BUT I totally understand that the price is hard to justify. My price is based on the technology & material costs available right now. Like all emerging tech I do expect it to come down considerably over time, just look at how conventional printing has com down in price. In the last 2 years 3D printing for this sort of project has come down from the thousands of dollars to the hundreds of dollars. I don't think it will every be able to compete in price to typical injection molded part that is made in the tens of thousands of units, but I hope a body like this will eventually cost around $100. How fast that cost come down will depend on the success of new businesses that find a use for on demand 3D printed products and help drive the costs of the technology down.

James.

  • Like 1
  • 3 weeks later...
Posted

James the sound track is just begging to be Californian Dreaming IMO . Maybe something by the Beach Boys though ?????????/

  • 1 month later...

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