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Post by coburja on Sept 21, 2009 22:13:05 GMT -6
My son and I are building his Awana Grand Prix car for the year. For weight, moment of intertia, rolling friction and quite honestly looks...we are narrowing the front wheels. Is it generally considered better to maintain the the same distance between the wheels as if they weren't narrowed (by pulling them inward-stock inside distance) or is the increased inside distance an advantage? I hope that made sense and thanks for your help.
BTW...I've lurked here for some time but this is my first post. Hello to all.
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Post by DerbyDoc.com on Sept 21, 2009 22:28:40 GMT -6
My son and I are building his Awana Grand Prix car for the year. For weight, moment of intertia, rolling friction and quite honestly looks...we are narrowing the front wheels. Is it generally considered better to maintain the the same distance between the wheels as if they weren't narrowed (by pulling them inward-stock inside distance) or is the increased inside distance an advantage? I hope that made sense and thanks for your help. BTW...I've lurked here for some time but this is my first post. Hello to all. Usually in AWANA, your allowed to re-position your axles. I would drill new axle holes for sure. Make sure to use a good drill press that trued, and square. Derbyworx makes a couple of great tools for drilling axle holes without a drill press also, and theyre cheap. One is the Pro Body Tool the other is the Pro Body Jig Also, you can narrow the wooden block for the front. Keep the rear wheels spaced stock width (block is 1-3/4" wide Then narrow the front of the wooden block to 1-5/8" This will help keep your car from traveling side to side. Raise one front wheel about 1/16" off the track,,and adjust the steering so the touching front wheel gently steers into the center guide rail of the track. You now have a car that will ride the rail, and riding the rail causes the car to travel a shorter distance to the finish line instead of swaying from side to side on the way down. Play around with the amount of steer, and you can start by adjusting it to steer 1/2" for every 4-6 feet. |
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Post by zeezop on Sept 22, 2009 14:12:03 GMT -6
Also, you can narrow the wooden block for the front. Keep the rear wheels spaced stock width (block is 1-3/4" wide Then narrow the front of the wooden block to 1-5/8". I thought you were not suppose to narrow the front anymore than 1/16" max? |
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Post by DerbyDoc.com on Sept 22, 2009 22:04:22 GMT -6
Also, you can narrow the wooden block for the front. Keep the rear wheels spaced stock width (block is 1-3/4" wide Then narrow the front of the wooden block to 1-5/8". I thought you were not suppose to narrow the front anymore than 1/16" max? By the time you add the gap between the wheel hub, and body for both sides, a 1-5/8" wide body will clear the 1.75" rule. Try it, and youll see. |
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