NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: It's time to do it.
From: Robert Eno
Date: 2006 Jul 26, 23:16 -0500
Bill wrote:
I had the same concerns, however, it appears to me that the pressure from
the top lid is exerted on the telescope and not the index and horizon
mirrors.
In any event, have you a photo of your set up? I'd like to see it.
Robert
> I to purchased the plastic case, and like it. My concern was the top foam
> pressing down on the index and horizon mirror frames, as well as the
> horizon
> mirror spring. Transport has caused a shift of up to 0.8' in the IE. I
> also
> did not like the idea of the frames taking the shock in a drop situation.
>
> To that end I modified the support system to reflect the OEM box. I cut
> away the foam around the frames so they are free and clear. I purchased a
> round, 2 1/2" piece of rigid floral foam. I fit it to just touch the
> frame
> in closed position and glued it to the box lid. Then a circular piece of
> fabric-coated neoprene was glued on to the end touching the frame. That
> gives slight downward pressure and a surface that will not scratch the
> frame. The rigid foam, like a rigid helmet lining, has the plus of being
> somewhat sacrificial and energy absorbing in the case of a hard knock.
>
> No more IE or side error changes now.
>
> Bill
>
>
> >
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To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---
From: Robert Eno
Date: 2006 Jul 26, 23:16 -0500
Bill wrote:
I had the same concerns, however, it appears to me that the pressure from
the top lid is exerted on the telescope and not the index and horizon
mirrors.
In any event, have you a photo of your set up? I'd like to see it.
Robert
> I to purchased the plastic case, and like it. My concern was the top foam
> pressing down on the index and horizon mirror frames, as well as the
> horizon
> mirror spring. Transport has caused a shift of up to 0.8' in the IE. I
> also
> did not like the idea of the frames taking the shock in a drop situation.
>
> To that end I modified the support system to reflect the OEM box. I cut
> away the foam around the frames so they are free and clear. I purchased a
> round, 2 1/2" piece of rigid floral foam. I fit it to just touch the
> frame
> in closed position and glued it to the box lid. Then a circular piece of
> fabric-coated neoprene was glued on to the end touching the frame. That
> gives slight downward pressure and a surface that will not scratch the
> frame. The rigid foam, like a rigid helmet lining, has the plus of being
> somewhat sacrificial and energy absorbing in the case of a hard knock.
>
> No more IE or side error changes now.
>
> Bill
>
>
> >
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---