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Pinewood Derby Time!

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Old Jan 29, 2007 | 06:29 PM
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Default Pinewood Derby Time!

Sorry about the color ...but its his car...he makes the call on the paint

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Old Jan 29, 2007 | 07:17 PM
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Looks great. I wish I could make my derby cars look like that.
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Old Jan 29, 2007 | 08:25 PM
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Whats wrong with the color???

(My sons car and my Vette)

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Old Jan 29, 2007 | 08:32 PM
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man that looks great! How did yall do the fenders? Is this for boy scouts?
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Old Jan 29, 2007 | 08:47 PM
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Nice work. Looking forward to seeing some more pics and keep us posted on how you guys do in the race.
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Old Jan 29, 2007 | 09:07 PM
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Cool shape but need more rear weight.

Hollow out as much wood from the bottom of the car. Put the weight at the rear, as far back to keep car from doing a wheelie. May have to drill in body side or pocket area milled or drill in bottom to remove the (wood) weight. Don't just drill from rear and stick weight in (round 3/8" hole) as this does spread out the weight but doesn't give max performance (did it one year and car was slower than previous). Paint the ends of the round weight to look like tail lights, car was correct weight but was not as fast as previous car.

My son's cars have been den and pack champion, it really does work. Our cars feel "heavier" yet are at 5 oz, they weigh about 1.5 oz w/wheels-nails so the rest is weight we move to rear. Behind, over axle and in front of rear wheel for max perf down at the bottom of the track. Cars with weight in this area seem to get a burst of speed past the other cars for the win. Like havin NOS at the last minute. Gave this tip to den leader and his kids cars did much better this year, though still better than my son's car.

Don't forget to clean the nails where tires ride, they're nasty because of the nail head forming process. We used a lathe one year but got similar results using a Dremel and a file and then steps of sandpaper to polish. You can hear the difference after this step and with the grafite..wow!

Try it out and fun!
Good luck!
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Old Jan 29, 2007 | 09:23 PM
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Originally Posted by 76project
Whats wrong with the color???

(My sons car and my Vette)

Good lookin couple of cars
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Old Jan 29, 2007 | 09:25 PM
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Looks good. I'm planning something similar. I have to make 2; I'm thinking one late model and one c3.

You need a front lower airdam to trip to the finish line sooner. I found this out last time around.
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Old Jan 29, 2007 | 09:26 PM
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Originally Posted by James B
man that looks great! How did yall do the fenders? Is this for boy scouts?
This is my first shot at the vette...I cut the basic shape with a band saw and took the dremel with the sanding wheel to shape the fenders. I milled out the bottom for weight and also milled the basic shape on the hood and sanded to the form you see.
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Old Jan 29, 2007 | 09:26 PM
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Originally Posted by Eddie 70
Nice work. Looking forward to seeing some more pics and keep us posted on how you guys do in the race.
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Old Jan 29, 2007 | 09:31 PM
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Originally Posted by GasketDude
Cool shape but need more rear weight.

Hollow out as much wood from the bottom of the car. Put the weight at the rear, as far back to keep car from doing a wheelie. May have to drill in body side or pocket area milled or drill in bottom to remove the (wood) weight. Don't just drill from rear and stick weight in (round 3/8" hole) as this does spread out the weight but doesn't give max performance (did it one year and car was slower than previous). Paint the ends of the round weight to look like tail lights, car was correct weight but was not as fast as previous car.

My son's cars have been den and pack champion, it really does work. Our cars feel "heavier" yet are at 5 oz, they weigh about 1.5 oz w/wheels-nails so the rest is weight we move to rear. Behind, over axle and in front of rear wheel for max perf down at the bottom of the track. Cars with weight in this area seem to get a burst of speed past the other cars for the win. Like havin NOS at the last minute. Gave this tip to den leader and his kids cars did much better this year, though still better than my son's car.

Don't forget to clean the nails where tires ride, they're nasty because of the nail head forming process. We used a lathe one year but got similar results using a Dremel and a file and then steps of sandpaper to polish. You can hear the difference after this step and with the grafite..wow!

Try it out and fun!
Good luck!
Great tips...I did put the nails on a lathe and took some fine sand paper to them to polish them. I plan to hit them with graphite when I do the final assembly. I will try to put as much weight in the rear as possible...this has been a pertty fun process. I want to do it all, but have to remember that it is HIS car and not mine
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Old Jan 29, 2007 | 10:25 PM
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Looks good. I'm planning something similar. I have to make 2; I'm thinking one late model and one c3.

You need a front lower airdam to trip to the finish line sooner. I found this out last time around.
Reply
Old Jan 29, 2007 | 10:30 PM
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Looks good. My son won his
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Old Jan 29, 2007 | 10:30 PM
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My son was champion 3 years in a row. One big secret is to have only three wheels touch the track. If you weigh it right and keep one front from touching the ground, you reduce the friction. I may still have the "top secret" plans somewhere. I'll have to look for them. For sure polish the axles and the tires to make them smooth as possible.
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Old Jan 29, 2007 | 11:12 PM
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ive got like 5 sitting in my room still. first year was my fastest with my viper knock off. took me a 2nd place position.

after that, i never had the fastest car, didnt even make it into the finals. i did alwasy walk away with the trophey for best of show.
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Old Jan 30, 2007 | 12:40 AM
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The car looks great!! I am 47 years old and don't have dad anymore, but still have the pine wood derby car that he helped me with!! I helped my 2 kids and my 2 nieces with thier's also. They had a blast with them!!


greg
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Old Jan 30, 2007 | 08:44 AM
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Use graphite on the axles to reduce friction between the wheels and axles.
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Old Jan 30, 2007 | 10:50 AM
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Wow, that looks sweet. When I was in scouts I had to make my own derby cars. My dad made sure that I didn’t cut off a finger, but that was about it. My favorite part was melting the lead to poor into the holes for the weight. I don’t remember winning many of the competitions, but it was fun to go out there with my car that was a little lopsided and not symmetrical and do OK. We just made fun of the kids whose dads did the work.
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Old Jan 30, 2007 | 12:00 PM
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Our derby is Saturday. Our cars don't look that nice, but hopefully they will go fast. Thanks for the tips on locating weights.
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Old Jan 30, 2007 | 12:41 PM
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I miss those days...I am glad to see they are still doing it...Car looks great...good luck!!!

Chris
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