Search found 4 matches

by ZiggyDude
Fri Apr 14, 2017 1:58 pm
Forum: General Topics
Topic: Wheel Test Question
Replies: 4
Views: 7278

Re: Wheel Test Question

Thanks for the reply. That is an interesting point about the weight. And that the outside may have been perfect but we have no idea to how well it is in relation to the bore. The concentricity gauge is of interest to me. I had not trusted myself in using home tools to true the wheel. The "Pro&q...
by ZiggyDude
Fri Apr 14, 2017 11:30 am
Forum: General Topics
Topic: Wheel Test Question
Replies: 4
Views: 7278

Wheel Test Question

There is a test that my son and I have been doing for wheels. We would get a perfect smooth surface like a kitchen counter, clean and ready it, then build a small ramp. Maybe lift the high end 1/4". We would then roll the wheels off and record which went the farthest and straightest. Over time ...
by ZiggyDude
Thu Mar 16, 2017 11:51 am
Forum: Do-It-Yourself
Topic: Building Test Track - need angles
Replies: 5
Views: 11866

Re: Building Test Track - need angles

Thank you. I downloaded the sketch.

26 degrees upward angle from end. And a 4 foot radius,

The Keystone Capital District race uses that track. They are nice. And fast!
by ZiggyDude
Thu Mar 16, 2017 11:18 am
Forum: Do-It-Yourself
Topic: Building Test Track - need angles
Replies: 5
Views: 11866

Building Test Track - need angles

Greetings to all. New member here. With this year's derby's over the project now is to build a test track. I have the timer hardware and software, and found some materials that should work out. But There are some specs that I need. I was hoping that someone might have them. I have read to use a 30 d...