Chief Delphi - Irritated w/ Bimba

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almsfan21

27-01-2007 16:35

Irritated w/ Bimba

I recieved an e-mail yesterday from Bimba stating that they made a mistake and we are not allowed to use 12" stroke, 1.5" bore cylinders, max stoke is 11". This is a hassle due we had incorporated one into our design, and this changes our geometry completely. I do appreciate the fact they are shipping one out..just curious as to why it wasn't caught earlier than 3 weeks into the build...

jgannon

27-01-2007 18:14

Re: Irritated w/ Bimba

This is partially Bimba and partially FIRST at fault. Fortunately, Bimba is stepping up, notifying teams, and offering free replacements. The issue is that the rules clearly state that the only cylinders you can use are the ones listed on the order form in the pneumatics manual, but apparently a lot of people didn't notice the discrepancies between that order form and the online form. There has been lots of discussion about this topic here:

http://www.chiefdelphi.com/forums/sh...ad.php?t=52472

I think there were some other threads too, but I can't find them offhand. I hope you are able to alter your design without too much hassle. Best of luck with the rest of build season.

almsfan21

28-01-2007 01:01

Re: Irritated w/ Bimba

Thank you. I am grateful that Bimba is offering to help, and provides the free cylinders. It just woulda helped to have it done the correct way, but what's done is done.

ZackCraig

28-01-2007 02:37

Re: Irritated w/ Bimba

I'm confused, What can't we use now? Does anyone have a pic of the illegal cylinders?:confused:

Rinaldi 427

28-01-2007 03:22

Re: Irritated w/ Bimba

what we cant use is 1 1/2'' bore by 12'' stroke and yes i do have pics you just have to give me untill monday to post them it also messes up our whle design and we were going to have to chop our frame to gain the lift we needed but fortunitely we have come up with another idea that looks to work kind of a bummer though eh!

Ricky Q.

28-01-2007 10:19

Re: Irritated w/ Bimba

If it is not on the form in the last page of this document:

http://www2.usfirst.org/2007comp/other/2007%20FRC%20Pneumatics%20Manual.pdf

Then you cannot use it.

Quote:

Originally Posted by FRC Q&A

Under Rule <R105>, the only pneumatic cylinders permitted are those that are identical to those shown in the table on the "FIRST Free Pneumatic Components Order Form". Rule <R106> and availability listed on Bimba's website do not override this. Therefore, any parts scavenged from prior year robots, as permitted by Rule <R106>, must still be in compliance with Rule <R105>.

Rich Kressly

28-01-2007 11:05

Re: Irritated w/ Bimba

The way I read the form, a 2" bore 12" stroke would be legal though - right?

jgannon

28-01-2007 11:21

Re: Irritated w/ Bimba

Quote:

Originally Posted by Rich Kressly (Post 566791)

The way I read the form, a 2" bore 12" stroke would be legal though - right?

Quote:

Originally Posted by Rinaldi 427 (Post 566740)

what we cant use is 1 1/2'' bore by 12'' stroke

But yes, 2" x 12" is legal.

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