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Unread 05-04-2006, 10:13
Unsung FIRST Hero
JVN JVN is offline
@JohnVNeun
AKA: John Vielkind-Neun
FRC #0148 (Robowranglers)
Team Role: Engineer
 
Join Date: May 2001
Rookie Year: 2000
Location: Greenville, Tx
Posts: 3,159
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Re: pic: PSA: Watch your metal shavings

Quote:
Originally Posted by Rickertsen2
This seems to be a very common problem among teams. IFI slathers conformal coating all over the board except the FET heatsinks. Maybie they leave out the sinks for thermal reasons. If this is the case, why don't they use some anodized aluminum heatsinks.

The heatsinks would provide improved thermals and the anodization would provide some shaving protection.

The IFI people are smart. I would think that they would work toward a way to fix this issue. Sure its the team's fault, but competitor's speed controller designs do not have exposed FETs.
I'm sure out EE's work work toward a fix, if we felt there WAS an issue.

It's really not a common problem.
We shipped about 4000 Victors in the kit this year. I wonder how many of those were burnt out by teams. 1% = 40? Less?

I think everyone will agree it's a very robust product.
Now would you rather pay more for every victor, for protection to solve a non-issue, or would you rather lay down a towel?

-JV
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In the interest of full disclosure: I work for VEX Robotics a subsidiary of Innovation First International (IFI) Crown Supplier & Proud Supporter of FIRST

Last edited by Brandon Martus : 08-04-2006 at 14:12.
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