Trajectory B/C

User avatar
zeldamaniac95
Member
Member
Posts: 21
Joined: March 10th, 2009, 8:48 am
Division: B
Has thanked: 0
Been thanked: 0
Contact:

Re: Trajectory B/C

Post by zeldamaniac95 »

They could use sand. I think it is heavier than water. :)
A&R-1st in region
Dynamic Planet-1st in region
Fossils-Didn't place
Trajectory-Didn't place
User avatar
Lily Essence
Member
Member
Posts: 67
Joined: March 29th, 2009, 1:36 pm
Division: C
State: TX
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by Lily Essence »

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.
Silent and Listen are spelled with the same letters
Seven Lakes SLHS Science Olympiad
Retiring my competition career! Off to scold the newbies as a manager!
starpug
Admin Emeritus
Admin Emeritus
Posts: 932
Joined: April 5th, 2008, 6:51 pm
Division: Grad
State: ME
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by starpug »

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
Get your facts first, then you can distort them as you please. - Mark Twain
User avatar
sachleen
Exalted Member
Exalted Member
Posts: 225
Joined: April 10th, 2007, 8:31 pm
Division: Grad
State: CA
Has thanked: 0
Been thanked: 3 times
Contact:

Re: Trajectory B/C

Post by sachleen »

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.
rman
Member
Member
Posts: 59
Joined: February 6th, 2009, 2:09 am
Division: C
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by rman »

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.
User avatar
hbk.showstopper
Member
Member
Posts: 159
Joined: April 14th, 2008, 5:58 pm
Division: B
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by hbk.showstopper »

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
Definition of No Nuff
Def. #1-Not Enough
Def. #2-Too Much
starpug
Admin Emeritus
Admin Emeritus
Posts: 932
Joined: April 5th, 2008, 6:51 pm
Division: Grad
State: ME
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by starpug »

Do you mind naming a few that are dense enough to be transported easily, cheap and easily stackable?
Get your facts first, then you can distort them as you please. - Mark Twain
User avatar
hbk.showstopper
Member
Member
Posts: 159
Joined: April 14th, 2008, 5:58 pm
Division: B
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by hbk.showstopper »

well, there are lead weights
Definition of No Nuff
Def. #1-Not Enough
Def. #2-Too Much
starpug
Admin Emeritus
Admin Emeritus
Posts: 932
Joined: April 5th, 2008, 6:51 pm
Division: Grad
State: ME
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by starpug »

hbk.showstopper wrote:well, there are lead weights
That aren't hazardous to your health?
Get your facts first, then you can distort them as you please. - Mark Twain
User avatar
hbk.showstopper
Member
Member
Posts: 159
Joined: April 14th, 2008, 5:58 pm
Division: B
Has thanked: 0
Been thanked: 0

Re: Trajectory B/C

Post by hbk.showstopper »

okay.....dumbell weights
Definition of No Nuff
Def. #1-Not Enough
Def. #2-Too Much
Post Reply

Return to “2009 Build Events”

Who is online

Users browsing this forum: No registered users and 0 guests