I finished off the assembly of the Stinger 64 EDF today; a very nice quality kit that goes together well. The only piece that doesn't really fit is the pink trim bit that fits between the fuselage spine and the tail.
Something I wasn't sure about was the installation of the EDF, as I suspected the fan, or at least the cowling, would vibrate. So, to be on the safe side, I hot-glued the cowling to the fan housing in a few places, and then glued the cowling into the fuselage before I installed the wing.
The only thing that was a pain, although not unique to the Stinger, was the servo centring. In the past I've had to reinstall the servo arms so that they're centred once the plane has been powered up. I thought I was missing something, but checking a few videos of this subject seemed to confirm this.
The problem is that, in the case of the Stinger and the Walrus, the servos are installed in recesses without access to the servo arm, so I ended having to cut a section of foam out from one tail servo. In the case of the tail there's no option as, like flaps, they both move together and there's no trimming option.
I have read about a servo tester which includes a facility to set your servo to the centre position. I think this lets you set the centre position so as to install servo arms prior to installing the servo on the plane, however it doesn't help with servos already installed on a plane.
Perhaps the plane manufacturers should use this instead of just randomly installing the servo arms...
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