Re: re:defiance vmc wasRe: Re: wrong conversion factor ...

> Re: the "synthetic" granite: Isn't this a polymer? Light machines
> corp makes a similar size machine (as the defiance) and uses
> ANOCAST "filled" polymer castings for the machine structure. When I
> first heard of this several years back, I investigated... GREAT
> STUFF, unfortunately it has a price to match! Since then, I,ve been
> lookin' for the hobbiest version (A metal? filled composite), and
> have seen some interesting developments, but nothing that
> really "fits the bill". Dennis Bohlke and Greg Pettengill at super-
> tech have used some aluminum filled urethane in their "kit" routers.

I just came back from a vendor visit and they have a large optical stage
build out of 4" hollow aluminum extrusions filled with lead shot and motor
oil ---- interesting approach to vibration damping I thought --- as long as
it doesn't leak at some point --- oil and optics --- not good.