Jason,

the 602's certainly look like a nice set! Probably much more durable and sturdy than the Robart which have plastic casings.

Weight - that'd be interesting to find out. I just weighed my e-Nanorare (electric) set along with the two servo's I'll probably use. Without linkages, axles or wheels we're looking at 118g or 4.16 oz. - maybe 5.0-5.5 oz. total all included.

Might you have a figure for the 602's? It seems like there are a number of 20's being built this winter.

David.