Wheeled Vehicle B

Bali90
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Re: Wheeled Vehicle B

Postby Bali90 » November 14th, 2013, 12:27 pm

Where can you get tiny c-ds for the front wheels

cspencerwls
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Re: Wheeled Vehicle B

Postby cspencerwls » November 21st, 2013, 9:15 am

Can anyone offer advise on how to build a vertically actuated triggering mechanism?

goodcheer
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Re: Wheeled Vehicle B

Postby goodcheer » November 23rd, 2013, 5:17 am

Can anyone offer advise on how to build a vertically actuated triggering mechanism?
You can't use a mousetrap this year for power, but you can copy the mechanism of a mousetrap release. Take a close look at it; it is made of simple levers. I don't know what you are using for power, but if, for example, you are using a fishing rod, you can bend the rod down to where you want it and attach a second string to it and attach the other end to a lever. When you apply vertical pressure to one end of the lever, it will release the rod (might have to be a combo of levers). Another string on the rod can be wrapped around the axle to turn the wheels. We haven't tried it yet, but thats the idea we are working with. Need to keep the lever(s) light weight.

Also, a fishing pole with the metal eyes on it should be allowed shouldn't it? The power is not coming from the metal eyes, but the fiberglass pole. Any comments on that?

Nabeel
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Re: Wheeled Vehicle B

Postby Nabeel » November 25th, 2013, 6:25 pm

Hey guys. New to this. Just wondering how you you can actually control the braking mechanism, and can you give a few examples? Thanks, also I need some ideas for the actuation trigger, because that part stumped me.

helicpters_rule
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Re: Wheeled Vehicle B

Postby helicpters_rule » November 27th, 2013, 7:21 am

Where can you get tiny c-ds for the front wheels
i dont know if you can but u can try cutting them i know what you are talking about have you tried online yet.

nichwch
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Re: Wheeled Vehicle B

Postby nichwch » November 29th, 2013, 8:34 am

Noticed a lot of people using CD wheels. Am I the only one who thinks this is a bad idea? (No traction, unstable, etc.)

bearasauras
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Re: Wheeled Vehicle B

Postby bearasauras » November 29th, 2013, 3:43 pm

You can put two CD's and put a balloon over the edge for additional traction.

KatieR
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Re: Wheeled Vehicle B

Postby KatieR » December 7th, 2013, 4:01 am

The braking system I am using is a wing nut on an all thread axle. I used this on my first place in state mousetrap vehicle last year. It may take some time to calibrate though.

Olympus1701
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Re: Wheeled Vehicle B

Postby Olympus1701 » December 21st, 2013, 2:15 pm

I've noticed that a lot of people are using a "wing nut on an axle tread" for the breaking mechanism. Can someone post of picture of that? THANKS
"No great genius has ever existed without some touch of madness"-Aristotle

ishoottrap
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Re: Wheeled Vehicle B

Postby ishoottrap » December 23rd, 2013, 7:45 am

Per the requirement that the dowel be the foremost part of the vehicle, a question and answer have been posted on the soinc site (http://www.soinc.org/node/265):

(section: 3 / paragraph: e / line: 1)

12/19/2013 - 10:38 Can the attachment of the dowel to the vehicle encircle the dowel? Technically, the dowel itself would not then be the "Foremost part of the vehicle", the attachment mechanism would be.

The vehicle may have a device to attach the dowel to the vehicle and permit the removal of the dowel for transportation and/or any necessary adjustment. This device must not extend more than 2 cm from the front of the dowel and would then become the foremost part of the vehicle. This attachment device must serve no purpose other than to attach and hold the dowel on the vehicle.


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