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I was flip-floping back and forth DA 100 vs DA 85 until I saw QQ's Python with the 85/Greeves this past week at the Nall...no shortage of power (understatement!!)and it spooled up so stink'n fast! To avoid flip-flopping any longer I marched over to the DA booth and bought an 85!!
Anyway, does anyone have any experience with the 85 on the H9 260's? I'm either going to go with a KS 95 (sitting in the shop) or a Greeves (backordered from DA until the end of the month). My only major concern is balance! |
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your only major concern is properly mounting it! You cannot use standoffs on the DA-85 - it will void the warranty. With the H9 260, the engine is spaced out so dang far, too, so making a mounting block out of solid ply would add a lot of weight. I have had good luck with end-grain balsa blocks, capped with two sheets of 1/32" ply(compression-glued), on engines up to 150cc - it may be an option.
Given how far out this setup is, though, I would consider making a sort of pyramid with the top chopped off out of the end-grain balsa, cap the front as mentioned before, then glass the whole thing with 3/4oz glass (except the back part - you'll need to glue the assembly to the existing firewall). Weight gain would be minimal, strength would be phenominal.