The Quanum Nova Retracts are 193 grams and 160mm tall. I control them with FrSky Channel-13 and SA-Switch on Taranis. For reference, stock white-plastic landing gear was 90 grams.
Be sure that 2 inner screws don't protrude inside and scratch battery.
For anyone installing modded landing gear (from other quads) it might help to examine how HobbyKing (for the Nova Retracts) used the box-like or U-shaped channel pieces to build a solid and flat mounting area (on the unusually shaped bolting/mounting area).
Quad Recalibrations:
As previously posted, the gyro calibration was knocked out-of-wack. I recalibrated in normal fashion and bench testing (like in Mission-Planner's HUD) reveals its working properly again (good to see gyro wasn't permanently damaged). I also recalibrated compass for good measure (-34, -208, 127).
Retracts Notes (updated 9-7-2015):
They worked fine for initial flights. Later (on bench) the left retract failed to lower ONCE. Pilots in HobbyKing reviews said it is likely end-point micro-switches. Strange because these types of micro-switches are usually rated at "thousands of clicks". I'm hoping the switch just got over-actuated and the plastic tip got slightly stuck inside the switch-case (once, maybe the last time it was "touched"). Or, maybe not pressed hard-enough once. I think we have all had a run-in with a flakey switch at one-time-or-the-other. Sometimes, more actuations loosen-up the switch and they get more reliable.
While extended, through side-slot, I applied a rice-grain sized dab of (dielectric) Automotive Silicone Bulb Grease to the tip of the switch. I let some also get on screw-drive and internal mechanism. Lowered retracts and repeated for other end. Tested 10 times with no incorrect operation. I hope that fixes it and there are no surprises later (especially at flying field).
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