Finally some POWER...

[cbergen]

Sometimes you just have to choose your application and run what makes the better sense. The single stage engines are great for scale, 2 stage is great for aerobatics.

Obviously there is crossover if/when you know what you're doing, but generally for the easiest route, this is what works.

I have been so impressed with the wren offerings since getting into turbines, using them for our aerobatic capable birds, but I also have a need for the Jetcat 2 stage with the built in governor system, for use with autopilot enabled machines. It's a simple matter of using what works best.

[KevinChiu123]

Dear Matt:

Greatly appreciate your kind help.

Happy New Year!!!
Kevin

[TeroS]

This was not fun, got an answer to my email to JetCat: "SPH10RX never went into series-production. Enclosed you will receive our catalogue with current turbines."

Bummer.

[Mullheliflier]

Originally Posted by cbdane

Pretty sure this "Vario Big Jet Ranger" (Wren powered) originally designed for the Benzin (gasser) mechanics is somewhere near 2.5m. Could be wrong, though. Found on the Wren facebook page.

This is my heli. Vario kit 1004. Tried 80cm blades, but it was happiest with around 70cm ones.

[cbdane]

Originally Posted by Mullheliflier

This is my heli. Vario kit 1004. Tried 80cm blades, but it was happiest with around 70cm ones.

Beautiful heli!