Paul Lee wrote:

Anybody know of a source for slick aircraft tires?

No, but...

The canard design front nose tire tends to throw pebles back
toward the pusher prop. I figure a slick tire without groves
would do it less.

http://www.avtesting.com/Documents/C...s/Airframe.txt
Question #344

Chines are used on some aircraft nose wheel tires to
A) help nose gear extension at higher air speeds.
B) help reduce the possibility of hydroplaning.
- C) help deflect water away from the fuselage.

Maybe pebbles too?