Chief Delphi - Underestimating the Trailer

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- - Underestimating the Trailer (http://www.chiefdelphi.com/forums/showthread.php?t=71266)

Team 2811

07-01-2009 23:18

Re: Underestimating the Trailer

I also think that the idea about asking a professional truck driver or accomplished person in terms of backing up with a trailer. I luckily have my very own Dad for that but unfortunatly for me my dad is very busy right now being Scoutmaster owning his own business and with the recent snow storm neither of those are going well but I still appreciate the idea.

pfreivald

08-01-2009 23:05

Re: Underestimating the Trailer

Quote:

Originally Posted by rees2001 (Post 795224)

Wouldn't today be one of those ice & snow days?

Sure 'nuff. We had about 1/2" of ice on EVERYTHING in Naples, so we had the day off from school. By eleven it had all melted, so I spent the day going from hardware store to hardware store to get everything needed to build the field elements.

Well, except for FRP.

But anyway, back on topic, I think that freaking out too much over the slipperiness and trailer, instead of some level of 'going with the flow', will be at least as harmful to a team. Of course, figuring out what the appropriate level of freaking out about *anything* is always the main challenge of FIRST, isn't it?

Patrick

meastman

08-01-2009 23:21

Re: Underestimating the Trailer

It shouldn't really matter, underestimating the trailer, because we are all at the same disadvantage.

usbcd36

08-01-2009 23:43

Re: Underestimating the Trailer

How many teams have built a trailer (or trailer analog) and practiced with it?

BrAAndon

09-01-2009 02:08

Re: Underestimating the Trailer

Quote:

Originally Posted by usbcd36 (Post 796434)

How many teams have built a trailer (or trailer analog) and practiced with it?

Quite a few I suppose, we made a makeshift one, but it is quite easy to make if you don't get to technical.

GaryVoshol

09-01-2009 06:55

Re: Underestimating the Trailer

Quote:

Originally Posted by EricH (Post 794964)

Also note, though this is not official by any means: the trailer hitch will (most likely) take up 7" of the 1/3 uncovered. I don't think the GDC will rule that it's a bumper...

More than that - you've got to have a big enough gap in your rear bumper so that the trailer tongue doesn't hit the edge side of your bumper.

Brandon Holley

09-01-2009 08:46

Re: Underestimating the Trailer

Quote:

Originally Posted by usbcd36 (Post 796434)

How many teams have built a trailer (or trailer analog) and practiced with it?

We have 2 trailers built. One identical to a competition one (bumpers, wheels everything). The other a slightly dumbed down version (no bumpers, older wheels).

We took our 2007 bot and modified it for the rover wheels. That is our current practice setup.

Ziaholic

09-01-2009 12:38

Re: Underestimating the Trailer

Quote:

Originally Posted by GaryVoshol (Post 796553)

More than that - you've got to have a big enough gap in your rear bumper so that the trailer tongue doesn't hit the edge side of your bumper.

According to some "back of a napkin" math we performed, the 7" is an adequate bumper gap if you are in the "wide" formation and have the remainder of the 38" covered in bumpers.

The trailer/bot bumpers should contact before the trailer tongue touches.

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