Next message: Bruce Stark: "Re: FW: Plexiglass horizon"
> -----Original Message-----
> From: Royer, Doug
> Sent: Monday, July 14, 2003 16:49
> To: ''
> Subject: Plexiglass horizon
>
> Looks like Jared was thinking along the line I was.Over the weekend I
> bought a piece of black plexiglass 7x7 in.square,3/8 in. thick for $12.00
> at Ridout Plastics(any plastics store should have it).Drilled and tapped
> the plexiglass in each corner for a 6-32 machine bolt 1.25 in. long.Got 2
> more liquid levels and useing Dow RTV 3145 bonded the levels to the
> plexiglass.I left the paper on one side of the plexiglass in case the
> reflecting side gets scratched.That way I can just turn the whole thing
> over,reverse the the bolts in each hole,rebond the levels on the new
> reflection surface and use it.This is much lighter than the glass one I
> made.No problems in seeing clearly and sharply the points of light from
> stars as I used it last night to test just that.
> I'm leaveing this week to take a vessel from San Francisco through the
> Panama Canal to Jacksonville,Fla.I'll sign off the list Wen. before I
> leave and sign back in when I get access to a shorebased computor
> somewhere along the route.Take care gentlemen.