pic: 20's IRI Carnage

[R.C.]

Originally Posted by AdamHeard

We ran 7075 Dogs w/ 6 motors (4 CIM, 2 775) and 2" wide roughtop wheels w/o issue in 2011.

Unsure how our dogs then compare in size to WCP's.

I'd have to check for exact ratios, but it was something like 7/18 fps.

Ditto,

This dog model is pretty much the exact same since the one we've used on 973/1323 bots since 2011. We didn't randomly pick 7075, its been tested on 254/968/973/1323/1477 etc... for a pretty long period of time.

The gearing seems about right, 7/17 or 7/18 should be it.

We haven't had a dog fail except:

https://fbcdn-sphotos-c-a.akamaihd.n...22823429_n.jpg - 2012 MTTD Offseason event - Practice Bot.

This guy was before WCP started making them, our sponsor made these and this dog was drilled off center. There was more material on one side than the other. We treated this as a random occurrence and really aggressive driving.

But for us, since 2011. 6-8+ robots (pbots included) have used this same dog design with probably over 1,000-2,000+ hours of driving with no issues. So we feel pretty safe with the material choice and run time, more or less we try to test all our products out for an extended amount of time before putting them into the market.

For this occurrence we'll be looking into it and trying to:

-Replicate Breakage
-Find the exact problem
-And a fix for it. (Going to 4140 or some other steel alloy)

I'll post back when we find something out.

-RC