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Buggy Alumni Association • Examples of Bad Buggy Ideas in the Annals of Sweepstakes - Page 3
Page 3 of 6

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Mon Oct 12, 2009 8:43 pm
by hvincent
I like the roll cage for where the head goes. I am not sure why that part strikes me as funny.

Also, I'd kill to drive an open buggy like that.

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Mon Oct 12, 2009 10:07 pm
by Carl Nott

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Mon Oct 12, 2009 10:31 pm
by TommyK
no turns = no fun

this is where we used to field test our prototypes and anything else with wheels, including unsteerable kids tricycles and big wheels

the key was avoiding the concrete wall at the end.
I still have scars from the aptly named prototype "blister"

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Tue Oct 13, 2009 1:21 pm
by Elmo Zoneball

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Tue Oct 13, 2009 6:12 pm
by lemuroid
I have encountered more than a few bad ideas:

My own: make a push bar by welding together round aluminum tubes of 3 different diameters that when combined form an airfiol shape. Connect all these tubes to form an air can for the pneumatic break. Not only was this weak, it was also heavy. This was at a time when we already knew how to make airfoil shaped pushbars that were light and strong and could hold air.

Mine: yamabachi: smallest frontal area ever, no way the driver could see more than a few feet beyond the nose of the buggy. Thankfully the helmet rules killed this disaster of a buggy.

Partially mine: Pneumatic drag breaks: I think TX started this (at least that is where I copied my first from) but we picked these up in the mid 80s and have not let them go. They were better than the hydraulic disk breaks that they replaced but that is not saying much.

From a random zoo buggy chicken: if we change from CO2 to HE as the gas used in the pushar/pneumatic drag break system, we can save over 2 lbs! (a very bad math error there-in).

From same chicken: pneumatic tires filled with water to act as a flywheel. Water!?!

Fringe in the era of 86-87: custom wheels with a mono bearing (couldn't roll to the first transition flag)

From Kappa Sig in 84: have the sweekstakes safety chairman (a grad student) make you a 2 wheeld buggy. Have it show up for the first time during truck weekend. Connect the training wheels to the dropping pushbar so that as the training wheels lifts, the pushbar drops. Power this mechanism with a pneumatic cylinder but fail to have all the leaks fixed before you roll it. Push it slowly up hill 1 and watch as it flops over at the top of hill 2 (due to the leak).

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Tue Oct 13, 2009 9:10 pm
by hvincent

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Tue Oct 13, 2009 10:40 pm
by TommyK
I never saw the original steering in Genuine Risk - another architecturally brilliant Fringe idea,
inspired no doubt by the cantilevers of Fallingwater. A mono-tower standard
trike steering that only had one connection to a composite pan.
This is how I imagine it looked in anticipated mode and then failure mode
Image
Image

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Tue Oct 13, 2009 11:40 pm
by the cook
I'll add a few more Zoo foibles:

Aluminum spindles

100mm skateboard wheels a la 1986(?) (there was a kernal of a good idea here)

Hydraulic disk brakes with the ritual spraying of fluid on the new paint job right before design

Wood & flammable foam curing oven (close one) chock full o' heaters with jumped thermostats

Polishing aluminum parts on the design buggy to perfection, by first filing off the entire weld into a pretty fillet

3rd floor buggy room coupled with spiral staircase

Aligning with an instrument of absolute perfection, except for the alignment of the instrument itself

Bonding on the bodywork with 1.5 lb. of polyfoam, wait, 4lb, no 6lb, oops, 8 lb, uh oh get out the spoons and start diggin'

Cutting a giant and expensive block of foam in "half" with a loose bandsaw blade pulled back and forth by two men

Building a buggy to fit the only 4'10" driver on campus, who "has a boyfriend" (regularly it seems), then quits after one year

Leaving Estes in charge of the budget

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Tue Oct 13, 2009 11:46 pm
by Elmo Zoneball

Re: Examples of Bad Buggy Ideas in the Annals of Sweepstakes

Posted: Wed Oct 14, 2009 1:46 am
by shafeeq