Web log for the Johannesburg Model Aircraft Club (JOMAC), showing the day to day activities of the club. Members' contributions welcome.
Monday, March 19, 2007
Ken Kearns' 4.2m Electric Glider -- Info from Juan.
Saturday three weeks ago Ken had his new 4.2m wingspan Electric glider at the club. It is a real beauty !
It uses a Hyperion outrunner 4025/12 with a 6S2P battery set up ( 3300mah to 4000mah packs - Hyperion batteries) swinging a 15 x 8 foldable prop and 80 amp "Opto" Hyperion controller. .This Ken claims gives him at least 8 launches ( whilst in the air) on one charge.
Launching it for the first time was a bit tricky as I found it difficult to get a grip This finally worked out, it was reasonably straight forward and she went off with plenty of power to spare
Guess what I will be building soon ?........
Juan Pretorius......more photos here
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