Trajectory B/C

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zeldamaniac95
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Re: Trajectory B/C

Post by zeldamaniac95 » April 10th, 2009, 6:47 pm

They could use sand. I think it is heavier than water. :)
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Re: Trajectory B/C

Post by Lily Essence » April 10th, 2009, 8:30 pm

You could try filling the PVC pipes with water. That way, your device could weigh more without you having to put weights on it.

If you do go with weights, go with exercise freeweights or dumbells. If you don't have those, go with sand. Water weighs too little, and it's more difficult to bring around.
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Re: Trajectory B/C

Post by starpug » April 10th, 2009, 8:37 pm

Lily Essence wrote:You could try filling the PVC pipes with water. That way, your device could weigh more without you having to put weights on it.

If you do go with weights, go with exercise freeweights or dumbells. If you don't have those, go with sand. Water weighs too little, and it's more difficult to bring around.
What about bricks, I like them much better because they can be stacked and moved
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Re: Trajectory B/C

Post by sachleen » April 10th, 2009, 8:56 pm

starpug wrote:
Lily Essence wrote:You could try filling the PVC pipes with water. That way, your device could weigh more without you having to put weights on it.

If you do go with weights, go with exercise freeweights or dumbells. If you don't have those, go with sand. Water weighs too little, and it's more difficult to bring around.
What about bricks, I like them much better because they can be stacked and moved
I'd go with bricks, why struggle with water and pvc pipes when you can just have.. bricks. You can move them around and stack them the way you need and its just simpler and easier.

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Re: Trajectory B/C

Post by rman » April 11th, 2009, 12:04 pm

I think the reason that some people consider using water as ballast is that they don't have to travel with it. For most teams packing for Nationals, or even states (in states like California the travel time to states can be many hours) is a big deal. Shipping bricks with FedEx is a pretty inefficient use of the teams money, but you don't want to have to spend time shopping in Augusta either. You know that you will be able to get water at your hotel, or at the gas station on the way to competition, but you can't be sure you will pass a store that sells bricks.

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Re: Trajectory B/C

Post by hbk.showstopper » April 11th, 2009, 4:21 pm

tehkubix wrote:
starpug wrote:
Lily Essence wrote:You could try filling the PVC pipes with water. That way, your device could weigh more without you having to put weights on it.

If you do go with weights, go with exercise freeweights or dumbells. If you don't have those, go with sand. Water weighs too little, and it's more difficult to bring around.
What about bricks, I like them much better because they can be stacked and moved
I'd go with bricks, why struggle with water and pvc pipes when you can just have.. bricks. You can move them around and stack them the way you need and its just simpler and easier.
there are other materials that can stacked and moved easily aswell so they don't have to be bricks
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Re: Trajectory B/C

Post by starpug » April 11th, 2009, 4:23 pm

Do you mind naming a few that are dense enough to be transported easily, cheap and easily stackable?
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Re: Trajectory B/C

Post by hbk.showstopper » April 11th, 2009, 4:29 pm

well, there are lead weights
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Re: Trajectory B/C

Post by starpug » April 11th, 2009, 4:31 pm

hbk.showstopper wrote:well, there are lead weights
That aren't hazardous to your health?
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Re: Trajectory B/C

Post by hbk.showstopper » April 11th, 2009, 4:34 pm

okay.....dumbell weights
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