Double strand motors?

From: torqueburner <beammeup42_at_ptd.net>
Date: Mon, 02 May 2011 21:09:31 -0000

At our recent state Science Olympiad competition, I saw one helicopter that was flown on what appeared to be a motor made from two strands of thinner rubber - is there an advantage to this, as opposed to a single loop of thicker rubber?

Dave Drummer
Received on Mon May 02 2011 - 14:09:38 CEST