Originally Posted by
mk13
Cat, that's a really great solution! I love Bert's solenoid, but it requires more electronic modifications (and I've already had two Xiao solenoids fail after my plane was in storage for a long time, I don't know why). I'm currently assembling a Spacewalker with an ASP FS61, and I'm going to try your air bleed system on it. It's such a simple and easy solution! Well done!
If that is the 150-ish cm wingspan (appr 60") version, I think you will find it is pretty much underpowered with the FS61. More true to scale, no doubt, but it will allow little more than a bit puttering around.
The FS91 will provide close to unlimited vertical (not fully unlimited) and result in a much more lively semi-aerobatic performance.
I am a bit baffled by your solenoids failing. I still have to replace the first one I installed (coincidentally the one in my own SpaceWalker

), now almost 7 years ago. Several of them have been in storage for periods over 2 or 3 years because I have often-used alsd less-often used planes, unavoidable once the fleet gets large enough.