On Wednesday, December 18, 2013 1:14:56 PM UTC-5, wrote:
I think the Duo T uses the Solo 2350D engine/prop shaft
whereas the others use the Solo 2350C.

http://aircraft.solo-online.com/

John Galloway

The issue is the prop shaft (supporting the reduction
pulley and prop hub), not the motor itself.
While the Duo uses a different assembly and prop hub,
I thought the prop shaft was the same part, but I
am not sure... Also the Duo T's banana-prop may
produce lower fatigue-loads than a two-blader,
again I'm not sure... Anybody have any info from SH?

Be careful out there,
Best Regards, Dave