Donald,
Anything you can do to make using the scope and mount easier and more accessible will improve the number of observing sessions you get per year, trust me! Before I got the Wheelie Bar and plopped the LWT from the GM8 on it to carry the GM8 or G11 depending on the scope I basically very rarely observed from the driveway unless I could see that the conditions were going to be spectacular. With the Wheelie Bar I leave the GM8 and FC-100DL (or whatever scope I left in the saddle) setup and covered ready for a quick look at the night sky. I takes me maybe 15 minutes to get it setup and polar aligned well enough to have the GOTOS be close enough to see in a longer eyepiece. Then a Gemini sync command and I'm off to the GOTO races. Don't worry about leaving it setup and ready to go good quality gear should not be significantly affected by heat or cold.?
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Chip Louie - Chief Daydreamer Imagination Hardware
Chip Louie