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Getting back to where we were. The new adapters with a 1 mm longer shaft will be finished tomorrow for those who what to get jiggy with the big props. Everyone who has ordered thus far, all have gone out. allow 4-7 days. :tennis: Phew, that was hard work.

Ecalc has never come close to confirming what my own designs have used in the past.(after optimization) their apples are just not the same as mine I guess. Suck it and see works for me....

That scenario in flight is pretty much the same with all MR's and some helis. it is a function of the stabilization algorithm, as you create less attitude hold it will fly like a typical model in manual mode. The higher the gains then the more it will try to self level when you don't want it to...

Actually the flow of air can move at the speed of sound and it will flow into the area of least pressure in the first instance. For example the venturi into a jet engine when taking off will draw air from behind in the opposite direction that it is traveling, that is why it has that large...

Hi Chris I am planning to start making these inserts next as the ones that are available don't cut the mustard. Some people have asked why make the adapters out of 60/61. Well that is because the motor shaft extends to the base of the 6 mm adapter so if we used a cheaper material the shaft...

I have extended the shaft length by 1 mm on the last batch to allow for a washer thickness on the Xoars. I also checked into the request for 8 mm shaft and it is not possible because the PCD of the four counter bores will not allow that.

It is a well proven fact that helis need to have a flexible head. only the very crazy 3D guys need to tighten it up a bit. When considering these pitch angles I just checked the DJI (15x5) carbon and the pitch angle at the tips is very similar to the Graupner 14x8 so we are not comparing apples...

Guys The underlying fact about Graupner versus APC is that although the 14x8 states a higher pitch angle, that does not translate into a constant angle of attack along the entire blade. It concentrates much of its higher angle at the hub which is what we want for better motor cooling and better...

Me too. But the last time I updated what had worked for 250 flights it tried to find culmula granite below mean sea level. Nah I'm staying put.

Isn't that the guy who looked like he was trying to kill himself with a full size garage contraption that wanted to create the flip of death before it got off the ground.... Totally Mad.

David, when your Adapters arrive they will fit the Graupners perfectly with the correctly sized washer.... You must also use a 8 to 6mm insert.

Been testing 5.14a for weeks now and no issues at all.

Chris most of the special FX are split screen you can work it if you watch closely. That model is on a crane The camera is not moved while the other part of the same scene is shot.