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Post by Vacationland Racing on Mar 6, 2010 11:17:11 GMT -7
Hi guys:
I am planning on building a car that has a movable tungsten weight. I want to do this because in my son's district the tracks vary greatly from our home track which is wooden and very old to a 42' Best Track. I want to be able to move the COM depeding on the track.
First, I would like to know if this is a good idea and if so does anyone have a low profile car design that incorpates this element in the design?
Thanks as always in advance.
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Post by down4derby on Mar 6, 2010 13:36:19 GMT -7
We run multiple tracks also and a 5/8 com has worked very well for us with no stability issues. Usually after a pack race the cars are impounded for district. The only work allowed before impound is a repair and lube. However yours might be different.
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Post by NinjaRabbi on Mar 6, 2010 16:31:04 GMT -7
I know Glenn had some design he was selling that had the moveable tungsten weight system in it in a few body styles. John (MB4Hire.com) should sell them as well. That is a great idea.
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Post by down4derby on Mar 6, 2010 16:53:48 GMT -7
If you adjust your com do have to adjust your steer as well?
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Post by Shade Racing on Mar 6, 2010 17:14:04 GMT -7
If you adjust your com do have to adjust your steer as well? I tink you would; more steer into the rail for more agressive com. |
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Post by 2FAST4U on Mar 7, 2010 2:59:49 GMT -7
Hi guys: I am planning on building a car that has a movable tungsten weight. I want to do this because in my son's district the tracks vary greatly from our home track which is wooden and very old to a 42' Best Track. I want to be able to move the COM depeding on the track. First, I would like to know if this is a good idea and if so does anyone have a low profile car design that incorpates this element in the design? Thanks as always in advance. THEY ARE READY FOR SALE... FULL ADJUSTABLE WEIGHT SYSTEM... The ultimate weight solution is now here only at Jewkes Engineering... Are you tired of building a car and the weight is too far back or too far forward or your car is riding wheelies, you just can not get the weight where you want it. You have just spent hours on the car but now you decide you need to start all over because the weight is in the wrong place, The weight is glued in, the car is painted, your race is in one day. The car is not where you want it to be in speed, now you decide to start all over and build another car. Well now you do not have to worry any more... Introducing the Edge SweetSpots fully adjustable weight system is now at your finger tips... Ether cut your own slot for the weight or buy are pre cut lightweight High performance speed pine blocks and you are ready to get the edge Again on the competition. This is a 3.6 oz tungsten that is 1" wide x 1.25" long x .29 thin rectangle that can be placed in the rear of the car that can be moved forward or back wards until you find the *** SweetSpot TM*** for the ultimate speed out of your Derby race car. If you want to find the Maximum Velocity and be the Derby Dominator then don’t Monkey around with any other weight system. Get the Edge SweetSpots and we will see you at the Finish line... The SweetSpot is designed to go on the under side of your car to give you a low center of mass with out drilling all the way through the body so you can hide what you are doing and still keep the look of the car with out the weight hanging down or sticking up trough the top of the car, the best part of this weight system, it gives you full control where you want the weight after you have painted your car. The Edge SweetSpots fully Adjustable Weight System. Get the edge on the Competition to day ... Another first here at Jewkes Engineering... If we do not have it, You do not Need It...
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Post by Vacationland Racing on Mar 9, 2010 15:59:14 GMT -7
you are correct, if you don't have it, I don't need it. I see this as best for cars that are competing on different track surfaces. Which is great for all scouts!
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