Sorry, I missed your post.
The Z-1 mount just came last month,
Wongsir is arranging the evaluation process.
We will order this mount once we find it's good and cost effective.
JE140A and Al leg (without motor) weights 7.27kg ~16 pounds
the motor is 340g.
JE160 and stainess steel leg ( with built in motor) weights 9.54kg ~21 pounds.