pic: FRC 1983 Skunk Works Robotics 2015 Preseason Drive Base

[Joe Johnson]

Interesting concept.

I really like that teams are focusing on mobility. I know that a lot of the FRC world likes defense but I'm a big fan of offense and that means getting out off pins.

Overclocked built Rover with mobility in mind with many of the features you discussed, specifically continuous bumpers which are a big advantage imho.

I suggest you consider sailcloth as an added feature. The Rover project has convinced me that sailcloth is the way to go (watch the video for a demo),

Great preseason project.

Dr. Joe J.

[Bryce2471]

Great work skunks! I can't wait to see what you guys come up with for this season.

On the topic of sail cloth, I remember that last year you guys played a balanced mix of defense and offense. If you want to continue with that in 2015, I would recommend using sail cloth on the sides of your robot, and a higher friction bumper material on the front and back.

[Oblarg]

Originally Posted by Flimsor

The rules may have changed, but I remember there being something about being able to use pre-season work so long as it's publically available before kickoff (feel free to correct me if I'm wrong).

I'm fairly sure any design or code you do in the pre-season may be re-used so long as you publish it.

Physical components may not be re-used unless they are unmodified commercial off-the-shelf components.

[Ken Zaballos]

Sailcloth is definitely on our radar. We have purchased some for testing, but we were a little late in the preseason to actually perform any tests.

We have enjoyed the convenience of permanent bumpers with convertible colors. They can look a little tattered and can violate floor clearance rules if the Velcro isn't placed well. A particular difficulty for us has been recruiting a new adult with sewing skills and equipment to make bumper covers. I say "new" because the person who did it "last" year will inevitably not want to do it "this" year. It's a lot of work and difficult sewing. We want a bumper system that can be completely assembled by students.

As far as bumper retention goes, we have looked at latch solutions from 254 and 971. Many teams use fasteners of one type or another. The over-toggling clamps shown in the model seem robust and are easy to operate. We like the type with the clamp-lock for security. They are pricey, however. Look for removable bumpers (red and blue) from us in the future.

Of course, this assumes we will have bumpers this year. Who knows, maybe that's the "change" that's coming.

[Jacob Bendicksen]

Originally Posted by PaulDavis1968

I thought you could not use your off season stuff for the upcoming build season?

It's also legal to use a prebuilt drivebase for your prototype robot if you build one. I don't know if that's what 1983 is planning on, but it's a good way to have something to test code on early in build season if you have the capability.

Also - this thing looks sweet! Definitely something I'll be keeping an eye out for at PNWs.

[Joe Johnson]

Originally Posted by Ken Zaballos

... A particular difficulty for us has been recruiting a new adult with sewing skills and equipment to make bumper covers. I say "new" because the person who did it "last" year will inevitably not want to do it "this" year. It's a lot of work and difficult sewing.

My wife is a quilter. She recently upgraded to the latest Singer machine. I was happy for her, of course, but in the back of my mind I was thinking, "that thing can probably sew a mean bumper!"

Turns out I was right.

Unless FIRST finally does in my marriage (a non-zero possibility ;-) I think I've found my bumper seamstress.

Dr. Joe J.