Adam AP Mach 1, Rob Miller TRI36L, Celestron 8" Edge HD Hyperion 17mm, Celestron 40mm Plossl, TMB 7mm & 9mm WO 66, Lunt LS60/B1200 PT, CG-5 Clone STF-8300m Pro Package, Honis-Modified Canon XS, Un-modded T1i, SSAG, TSOAG9, SX LodestarLackawanna Astronomical SocietyMy Astrobin
Quote:Adam, Dude, there is only one as they say . The Genie 900 series powerlift is pretty much the only one on the market at this point. They sell them at Menards and Home Depot I beleive (not available on Amazon as far as I could find). I used 1 extension kit to make it move my roof so that it reached the wall of my shed... If I wanted it to roll completely off, it would've took two extension kits. Wayne at Skyshed told me he didn't recommend more than 3 extension kits.Genie doesn't have a MyQ feature as far as I've found; but, I don't see why the Chamberlain-made device wouldn't work with it. It just replaces your wired controller for the mount and that's just a 'push' switch with no logic talking to the GDO as far as I can tell. If you go that route, they sell them for 80 bucks on Amazon. I guess my big put on this is to just do their way . The other is that if you have a skyshed based on the original plans, you may need to modify your supports for the roof (when rolled off) to make it fit. If you follow their instructions and look at the end, you'll see what I'm talking about. I needed an extra 4x4 to make it work and I had to lower the lateral support beam between the feet. Their instructions for their demo shed look easier but I didn't feel like re-doing my legs.If you have any questions, just send me a PM and we can email about it.
Quote:You're doing angle iron and casters right? The hardest part is going to make sure you align everything correctly. That's a lot of wheels to get correct The nice thing about commercial garage door material is it has some 'play' to it.
AT10RCF, TMB SV105 F6.2, C11, Obs 15, DS solarmax 40 AP900GTO QSI 683 & 640wsg-8 12' X 15'6" BYO http://www.astrobin.com/users/jaddbd/
Quote:Be aware that the garage door circuit only provides protection when the door is closing. You can crash your scope opening or closing the roof - thus the need for a controller like the Foster (in addition to the sensor) which breaks the circuit both ways.
Doesn't it make more sense to design the observatory so that there can not be a collision between the telescope and the roof? It's more work and it increases cost but when I look at others trying to solve a problem that could have been avoided in the first place I just shake my head.
John, how do you guarantee your scope is out of the way?