What is the best glue for Pinewood Derby cars?
For pinewood derby cars, white glue works fine for gluing wood to wood (such as adding wood accessories) and for repairing chips or cracks in the wood. It can also be used for holding the axles in place.
Should weights be in front or back of Pinewood Derby car?
The Pinewood Derby rules limit the weight of each car to 5 ounces. So where should you place weights to make the car heavier (faster)? Most PWD experts believe a car is faster when the weight is predominately placed towards the rear of the car.
How do you drill holes for weights in Pinewood Derby car?
If the weight is over 5 oz, drill holes in the bottom of the block between the two axle slots until the weight is 5 oz. If the weight is under 5 oz. drill one or more holes in the bottom of the car just in front of the rear axle and insert enough of the Fine Tune weight to bring your car up to 5 oz.
Can you use wd40 on a Pinewood Derby car?
No wet lubricant is allowed. (Ex: NyOil, NyOil II, WD-40) Only one lubrication is allowed before the beginning of the first race, and then once again before the beginning of the first race of the semi-finals and finals.
Should I use sandpaper on my Pinewood Derby nails?
Friction between the wheel and axle will slow your car tremendously. Here’s a quick, simple way to reduce friction and get a fast car. Polish the axle nails with the high grit sandpaper and a little water or machine oil as a cutting lubricant.
Should I bake my Pinewood Derby car?
Baking your Pinewood Derby wooden block helps to remove the moisture so that you have more wiggle room to add extra weight at the end. Remember, every little bit of weight in the right place makes a difference! Bake it in the oven at 250° for about 2 hours.
Should you bend Pinewood Derby axles?
You will want to bend your front axle a PRECISE AMOUNT for maximum speed, ensuring the car is level front to back when racing.
What is the best angle for a Pinewood Derby car?
The rear wheels should be set at a 3-degree angle (camber). This angle reduces friction as only a tiny portion of the wheel makes contact with the track.
What is the fastest Pinewood Derby car design?
It’s okay to get creative with the look and design of your car. On the flip side of that, if your main goal is speed, you’ll need to keep it simple. To go fast, it’s all about aerodynamics, and the best shape is a simple wedge.
What is the best shape for a Pinewood Derby car?
Pinewood Derby Car Shape: The Wedge The Wedge is the foundation of many cool car designs, and it is designed to be aerodynamic and is a one-cut wonder.
Can you glue weights to Pinewood Derby car?
Glue bottom weights to the bottom of the block to bring the total weight (including wheels and axles) to 5 oz. Install some of the weight behind the rear axle and the rest in front of the axle. The weight can be broken apart with pliers. Do not install over the axle.
Should weights go on top or bottom of Pinewood Derby car?
PUT MOST OF THE WEIGHT IN THE BACK Science says the heaviest part of your car should be about 1 inch in front of the rear axle. The idea is that the farther back the weight is, the more potential energy you have because your center of mass is higher up on the track.
Can you use pennies as weights on Pinewood Derby car?
If you decide to glue them in, it will add at little weight, so leave some room to spare. We ended up using six pennies. With the pennies a snug fit, and the hole on top, we didn’t even bother with glue. You can get the pennies out by slapping the car against your hand.
What is the best oil for Pinewood Derby cars?
Krytox 100 is a highly-refined synthetic thin-film lubricant with an ultra-low viscosity. It has a tough film strength for long lasting lubrication. When properly applied, it outperforms dry lubricants including graphite. Krytox can be safely used with any brand of pinewood derby wheels.
Does graphite help Pinewood Derby car?
While just about any graphite will work as a lubricant, some versions are specially formulated and work best for Pinewood Derby®. Liquid – There are different liquid lubricants as well. Nyoil™ has been a popular option in years past, as well as Krytox™, produced by DuPont®.
Should I glue Pinewood Derby axles?
Slide the axles and wheels onto the car and glue into place. Use an epoxy or nonresin glue, and make sure you don’t get any on the surface of the axle where the wheel rides.
Should you bake your Pinewood Derby block?
The idea behind baking the block is to remove moisture which will make the block lighter. You can then add more weight to the back of the car. The risk with baking is that you could warp the block.
Is it legal to bend axles for Pinewood Derby?
Car Modifications Not Allowed The wheels may not be cut, drilled, beveled or rounded. (You may remove the seams and imperfections from the wheels.) No loose materials of any kind (such as lead shot) are allowed in the car. No bent axels, and all 4 wheels need to be on the track.
Can you put Legos on a Pinewood Derby car?
Most pinewood derby rules limit the length of the car to 7″ so don’t add any LEGO pieces that extend past the front or back of the block. You can add LEGO pieces that make your car wider but the width should not exceed 2 3/4 inches. As a general rule, the height of your car should not be greater than 3 inches.
How do I make my Pinewood Derby shiny?
Then cover the Pinewood Derby car with floor wax paste and polish to a high gloss. The wax will protect the car and help give your racer the look of shining steel.
What Pinewood Derby car design is fastest?
The fastest and best performing pinewood derby car designs often have the weights affixed around the rear wheel axle. By placing the weight at the rear of the car, it can better push the car forward, gaining momentum and using it to move the car across the flat section towards the finish line.
How heavy should my Pinewood Derby car be?
Most rules specify a 5 oz. maximum weight. Most Pinewood Derby cars weigh between 1.5 oz and 3.5 oz (depending on design) without weights so a car may need 3.5 oz or more of additional weight.
Does the shape of a Pinewood Derby car matter?
As a Pinewood Derby® car speeds down the track, it has to move the air it encounters out of the way. This pushing of the air creates drag and slows the car. Therefore, with all other things being equal, a car with the smallest area pushing against the air will be the fastest.
Which wheel should be raised on Pinewood Derby car?
Raised Front Wheel The wheels are a significant source of potential energy drain on a Pinewood Derby® car. Raising the non-steer wheel (typically the front left) so it does not contact the track reduces the amount of energy used to start the wheels spinning.
What do you seal a Pinewood Derby car with?
Seal and protect it by spraying the entire car with clear gloss paint. Some clear paints might make the numbers curl. To make sure yours works, test it on a decal or number stuck to scrap plastic before spraying your car.
Does graphite help Pinewood Derby car?
While just about any graphite will work as a lubricant, some versions are specially formulated and work best for Pinewood Derby®. Liquid – There are different liquid lubricants as well. Nyoil™ has been a popular option in years past, as well as Krytox™, produced by DuPont®.
How do I make my Pinewood Derby car shiny?
Use a final gloss clear paint coat to give your car an extra shine. Some people use car wax but clear paint gives better results. You will get better results if you give your car several light coats of paint rather than one or two thick coats. Sand your car lightly after the first coat of paint dries.
What glue do they use on cars?
Epoxy Adhesive They also require more precise application than urethanes due to their short working time (usually about 5 minutes). However, epoxies can provide a stronger bond than urethanes if applied correctly, so they are great for automotive repairs that need extra strength.
Does adding weight make a difference in pinewood derby racing?
How do I prepare my car for the pinewood derby?
How do you paint a pinewood derby car?
How much weight can you put in a pinewood derby car?
Choosing the Right Weights
First things first, you need to pick the right weights. You can use a variety of things, but lead is the most common and effective. You can find lead weights specifically made for pinewood derby cars, or you can even use lead fishing sinkers (just make sure they’re small enough). Brass weights are another good option, but they’re not as dense as lead so you’ll need more of them to get the same effect.
Now, here’s a little secret: If you’re allowed to use metal, consider using steel nuts. They’re readily available, affordable, and they add weight without taking up too much space on your car.
Where to Put the Weights
You don’t want to just slap on any weight anywhere. Think of your car like a see-saw. You need to balance the weight so it doesn’t tip over!
Front: Placing weights in the front of your car will give you more traction and help you take corners better.
Back:Weight in the back of the car will help it accelerate faster.
Center: A good general rule is to keep the majority of your weight concentrated in the center of the car, but you can experiment with different placements to see what works best.
Gluing the Weights
Now, let’s talk about gluing those weights on. You want to use a glue that’s strong enough to hold them in place but that won’t crack or break the wood when it dries.
Here are a few good options:
Epoxy: This is a super strong adhesive that can withstand a lot of stress.
Gorilla Glue: This stuff is super sticky and dries fast.
Super Glue: This is a good option if you need to glue small weights or if you’re working with a small space.
How to Glue Weights
1. Clean the surface: Make sure the wood where you’re going to glue the weights is clean and dry. You can use a sandpaper or a damp cloth to clean it.
2. Apply the glue: Apply a thin layer of glue to both the weight and the wood. Make sure the glue is evenly spread.
3. Clamp or hold: If you have a small clamp, use it to hold the weight in place while the glue dries. If you don’t have a clamp, you can just hold it in place for a few minutes until the glue starts to set.
4. Let it dry: Let the glue dry completely before you start racing.
Things to Consider
Weight limits: Make sure you check the weight limits for your derby race. Most races have a maximum weight for each car.
Balance: You want to make sure your car is balanced so it doesn’t tip over.
Placement: Experiment with different weight placements to find what works best for your car.
Testing: Test your car on a practice track before the race.
FAQs
Can I use double-sided tape instead of glue?
No, double-sided tape won’t be strong enough to hold the weights in place. You need a strong adhesive like epoxy, Gorilla Glue, or super glue.
Can I use screws or nails to attach the weights?
No, you can’t use screws or nails to attach the weights. This will weaken the wood of your car.
How many weights do I need?
The amount of weight you need depends on the rules of the race and the size and shape of your car. A good starting point is to add weight until the car feels balanced and stable.
How long does it take for the glue to dry?
The drying time will depend on the type of glue you use. Epoxy can take several hours to cure. Gorilla Glue will dry in a few minutes. Super glue dries very quickly.
What if the weight falls off during the race?
If the weight falls off during the race, your car will slow down and likely lose. Make sure you glue the weights on securely and test your car before the race to make sure they’re still attached.
By following these steps, you’ll be on your way to building a winning pinewood derby car! Good luck!
See more here: Should Weights Be In Front Or Back Of Pinewood Derby Car? | How To Glue Weights On Pinewood Derby Car
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