On Tuesday, August 23, 2016 at 10:51:19 PM UTC-4, wrote:
...To counteract the high spring forces necessary to handle the heavy
Arcus wing, the gas spring is augmented by a remotely controlled
12 volt 225 lb. capacity linear actuator.

With a properly sized electric linear actuator, the gas spring is
unnecessary, and adds additional weight/complexity...

The wing dolly as I modified should now be available from IMI.
It is beautifully built, has an adequate axle that does not bend,
and is very light weight.

Thanks,
Best Regards, Dave