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About two years ago an article was written in Engineering Design magazine complete with front, top and side views of the new Indy racers. I decided what the heck, so I modeled them up in Inventor and printed them out. I have since discovered that the original pictures I used were not to scale but what the heck, The grand-kids don't care and were going to do some racing this summer. The wheelbase is scaled down from 120" just like the current ones and the ground clearance is a little high so that it will run smoother on my track. Their all set up with Piranha 21.5k power, Slot-it 11-34 sidewinder gearing, but two of them have the Slot-it guide and the last Red/white/blue one got the scaleauto guide. Now to sand on the scaleauto guide so that it will be competitive with the Slot-it.

Those look pretty cool...
And you're right that grandkids don't care. They just want to have fun with Grandpas.... :lol:

Nice job. You are right, the little ones just want to have fun.

Heck, so do us bigger kids.

They look like they ought to be a lot of fun to race and all being equal definitely ups the fun factor! :D

Awesome looking cars! Can you post more and detailed pictures? Also, what did you do for the chassis?

Those are great! The old IRL cars were a blast to drive. Would you sell any of those? Those would look incredible with some IndyCals on them.