· Get a Cloudy Nights T-Shirt · Submit a Review / Article    Click here if you are having trouble logging into the forums Cloudy Nights - Official Forums of the 2009 International Year of Astronomy Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu.... uh, User   You are not logged in. [Login] Forum Archives · Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Equipment Discussions >> ATM, Optics and DIY Forum Previous   Index   Next   Threaded   Pages: 1 TheRock super member Reged: 01/13/08 Posts: 113 Loc: Bergen County, NJ Mirror Tailgate Bumpers       #3361910 - 09/28/09 02:50 PM Edit   Reply   Quote Quick Reply   The K&B book recommends the use of PVC or wood doweling for the mirror bumpers. Others on this site have recommended nylon rods with heat shrink applied to add some 'cushion'. Any reason why I shouldn't use what McMaster-Carr lists as 'Neoprene Spring Rubber' rods? Here is a direct link to their product: http://www.mcmaster.com/#8629k121 -------------------- Richard -------------------- "Get busy living, or get busy dying" - The Shawshank Redemption (1994) -------------------- 18" f/4.2 Truss Dob in Progress (2009) Celestron CPC 1100 (2008) Celestron 130 SLT (2008) Tasco 114mm Newtonian (1995) Meade 60mm Refractor (1986) MallinCam Hyper Plus B/W Post Extras:       dave b Post Laureate Reged: 05/10/05 Posts: 3548 Re: Mirror Tailgate Bumpers [Re: TheRock]       #3362081 - 09/28/09 04:20 PM Edit   Reply   Quote Quick Reply   that looks good. whatever you use, just make sure it is softer than glass, and tough enough that it won't wear through as you bump along the road. -------------------- dave bonandrini 30" f/5.2 Dobsonian President of GCAC Astromart Moderator Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 14 registered and 6 anonymous users are browsing this forum. Moderator:  Don W, Mike I. Jones  Print Thread Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Thread views: 120 Jump to *International Year of Astronomy 2009* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA*Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Celestron SkyScout and Meade mySky   Video and Electronically Assisted Astronomy*Astrophotography and Sketching* -----   Beginning and Intermediate Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   NEO   General Observing   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Other* -----   Science of Astronomy & Space Exploration   AstroWebsites   Space Rocks*Speciality Forums* -----   AstroArt   Astronomy Software & Computers   Stellar Media   Astro Outreach, Clubs and Star Parties*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements CN Forums Home

Cloudy Nights Sponsor: Astronomics