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can you sand pinewood derby wheels

by Ms. Leta Abernathy II Published 3 years ago Updated 2 years ago
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Wheels must be the original shape as packaged in the Official Cub Scout Grand Prix

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Pinewood Derby Kit. (Wheels must not be peaked, ‘H’ed, humped, tapered, or narrowed. The only work allowable to any wheel is to remove manufacturing defects such as burrs or injection flanges. Wheels may be sanded until the mold seam is removed.

Part of a video titled How To Make Pinewood Derby Wheels Fast By Polishing
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This outside surface right here even though it's feels smooth. You want it to be a slicker II and asMoreThis outside surface right here even though it's feels smooth. You want it to be a slicker II and as smooth as possible once the medium is done spinning. Then you take the very fine sandpaper.

Full Answer

How close should pinewood derby wheels be to the car?

How close should pinewood derby wheels be to the car? The hub of the wheel should be a credit card thickness (about .03") away from the car block but can be as much as .1". How long should pinewood derby wheels spin?

What causes friction in a pinewood derby car?

A large source of friction is the rubbing that goes on between the wheel and the Pinewood Derby car body. Some people angle the axles up in an attempt to keep the wheel away from the body.

Why do you put weights in a pinewood derby car?

To minimize the chance that your car could bounce off of a rough track, insert the weights in the car so that the center of gravity is two inches in front of the rear axle. Your car will be slightly slower but it will be more stable. What month are pinewood derby races held?

How do you lubricate the axles of a pinewood derby car?

You want a very thin film on the axles. Most Pinewood Derby car races prohibit liquid lubricants because the liquid can drip onto the track. If you use a liquid other than Krytox, be sure to test it first - some liquid lubricants can soften the plastic wheels.

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Is it legal to sand Pinewood Derby wheels?

The wheels may be slightly sanded to remove any mold marks but may not be modified in any other way. Only the Official Scout Grand Prix wheels may be used. Wheels may be sanded (smoothed to remove knit/mold lines) but the wheel's profile may not be altered.

Can you modify Pinewood Derby wheels?

Only wheels and axles from the official Pinewood Derby kit may be used. Beveling, routing, tapering, perforating or any other significant altering of the shape and performance of the wheels is prohibited. The tread may not be modified to enhance its performance and must be a completely flat surface.

How can I make my Pinewood Derby wheels faster?

5 Quick & Easy Tips For Improving Your Pinewood Derby Car's SpeedPut all of your weight in the back. ... Lube the car at the body/wheel friction point. ... Spend a fair amount of time on axle prep. ... Make sure your wheels are ready. ... Finally, once your wheels are mounted, check their alignment.

How do you shave Pinewood Derby wheels?

7:4115:31Pinewood Derby Secrets Part 4 - Wheel Shaving - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay we passed the edge of the wheel. Now yep. Okay just now you're just gonna spin it no no you'reMoreOkay we passed the edge of the wheel. Now yep. Okay just now you're just gonna spin it no no you're gonna have to push. Down. Make sure you're going the right direction. Against the blade.

How do you smooth Pinewood Derby wheels?

0:552:35How To Make Pinewood Derby Wheels Fast By Polishing - YouTubeYouTubeStart of suggested clipEnd of suggested clipThen you take the very fine sandpaper. And do the exact same thing it says here start the drill foldMoreThen you take the very fine sandpaper. And do the exact same thing it says here start the drill fold the sandpaper in half and press it against the wheel smooth the surface.

How do you polish a Pinewood Derby car axle?

Use polishing compound from the auto supply store to polish the wheels and axles. One easy way to do this is to clamp the axles back in the drill and let the drill spin the axle while you polish it. 9. When you install the axles and wheels, make sure they are aligned perfectly straight.

How long should Pinewood Derby wheels spin?

around 20 secondsHow long should pinewood derby wheels spin? A long spinning wheel has less friction so the longer a wheel spins, the better. A good wheels will spin for around 20 seconds but the spin time can vary with the type of wheel, lubricant and with the amount of force used to start the spin.

How do you reduce friction on a Pinewood Derby car?

The easiest way to reduce friction is to lubricate the surfaces that cause friction. Lubrication is an essential part of pinewood derby racing. Purchase a tube of dry PRO Graphite with moly and shoot it onto the axle shaft and inside the wheel bore. Spin the wheel so the graphite works in.

Should I bake my Pinewood Derby block?

Bake the Block: Start with your block of wood, and before you do anything else, bake it in the oven at 250 degrees for around two hours to remove moisture and make it lighter. This will allow you to place more weight to the rear of the Pinewood Derby car where you actually want it.

Is graphite allowed in Pinewood Derby?

Graphite is perhaps the most widely used and accepted Pinewood Derby lubricant out there. Molybdenum (Moly) is also used, both alone and more commonly, mixed with graphite. Graphite and graphite with moly are the best lubricants for your car.

How do you put graphite wheels on a Pinewood Derby car?

8:3711:11Pinewood Derby Best Graphite Application - Maximum VelocityYouTubeStart of suggested clipEnd of suggested clipAnd we're going to squeeze some in right here in between the head and the wheel. And we're gonnaMoreAnd we're going to squeeze some in right here in between the head and the wheel. And we're gonna just spin it kind of try to get it get it into that in between the will and the the axle.

How do you use a Pinewood Derby alignment tool?

2:082:44How To Space Wheels And Align Axle Nails - Pinewood Racing CarYouTubeStart of suggested clipEnd of suggested clipOver your axle slots with the gauge flush against the side of your car body. With the wheel inMoreOver your axle slots with the gauge flush against the side of your car body. With the wheel in position place the tip of your axle into your axle slot. And press firmly into position with your thumb.

How long is a pinewood derby track?

The guide rail is 1/4" high. Most tracks for official races are 35 to 45' long. The start of the track is typically 45" to 50" above the floor.

Why is liquid lubricant not used in the Pinewood Derby?

You want a very thin film on the axles. Most Pinewood Derby car races prohibit liquid lubricants because the liquid can drip onto the track.

How to bend axles in a block?

It is best to bend the axles slightly (1 to 2 degree) then insert in the block. The bend should be at the point that the axle exits the block. Several tools are available for bending the axles the proper amount and at the correct point. insert the axles so that the bend is up.

Why is the end of the block farthest from the axle slot?

Either end can be the front of the car but the end of the block farthest from an axle slot gives you an advantage if it is the front of the car. The reason for this is that you can put weight farther back on the car if the rear slot is close to the end of the block.

What is the easiest tool to cut a pinewood car?

A band saw is by far the easiest tool to cut a pinewood derby car. If you don't have access to a band saw then a coping saw will work. Coping saws are inexpensive and available at hardware stores and online. Learn more about using a coping saw. Both the band saw and coping saw can cut curves and other shapes.

How long does a spinning wheel last?

A long spinning wheel has less friction so the longer a wheel spins, the better. A good wheels will spin for around 20 seconds but the spin time can vary with the type of wheel, lubricant and with the amount of force used to start the spin.

How to raise a wheel on a car?

Your car will steer slightly left or right. Raise the wheel that the car is steering toward. The easiest way to raise a wheel is to lower the opposite wheel. Follow these instructions to raise a wheel.

How many sheets of plastic do cub scouts use per year?

At 600,000 cub scouters per year with 4 wheels per scout you have at least 2.4 Million wheels produced each year. With 16 molds, it takes about 150,000 sheets of plastic if you did it perfectly every time. 150,000 sheets at 260 work days a year = 578 sheets a day.

Is 4 match wheels the same?

Just because you bought 4 match wheels doesn’t mean they are exactly the same. With that said, one has to understand that no matter how many modifications are done to the wheel, it will never be perfect. It was never designed to be perfect. It is not manufactured to be perfect. It will never be perfect.

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1.Sanded Pinewood Derby Wheels

Url:https://www.abc-pinewood-derby.com/wheel-sanded.php

14 hours ago  · Wheels must be the original shape as packaged in the Official Cub Scout Grand Prix Pinewood Derby Kit. (Wheels must not be peaked, ‘H’ed, humped, tapered, or narrowed. The only work allowable to any wheel is to remove manufacturing defects such as burrs or injection flanges. Wheels may be sanded until the mold seam is removed.

2.Pinewood Derby Questions and Answers

Url:https://www.abc-pinewood-derby.com/faq.php

33 hours ago Should I sand my Pinewood Derby wheels? Once you’ve selected the four straightest axles, use a file or fine-grit sandpaper to remove small burrs and mold marks that can cause friction and …

3.Pinewood Derby Wheel Modifications - Pinewood Derby …

Url:https://www.derbydust.com/pinewood-derby-wheel-modifications/

2 hours ago  · It will feel smooth to the fingernail test. No noticeable ridges unless you use a magnify glass. Then if you choose, we will wet sand the wheel to 1200 grit smooth finish. If …

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