- Thu Apr 07, 2016 1:52 pm
#385907
Hi Jeff,
I've got 2 of the Schuebeler 12.8cm of diameter HST fans (with biggest engine). But I've ordered mine with a nice nacelle for even better performance on open airstream.
I work with real aircraft engines (Pratt & Whitney) and wouldn't be so concerned with blades flying off. They are very light because of high tiny they are and, the shroud should be strong enough to hold them if they break.
I would be more concerned with choosing the correct power system (ESC, batteries and cables) for the current that you intend to draw. The last think you want is to start a fire in flight because you cheaped out on a wire
One interesting thing that I saw after my first bench test is that the sucking power is usually overrated, you can only feel the wind when you are only close to the fans (like 1 or 2 inches).
These ducted fans tend to suck air from all around its front, so the speed is very low all around and having another one close won't cause any problems. However, the exit has a very distinct unidirectional flow, giving its extraordinary thrust for such a small thing.
Watson.
I've got 2 of the Schuebeler 12.8cm of diameter HST fans (with biggest engine). But I've ordered mine with a nice nacelle for even better performance on open airstream.
I work with real aircraft engines (Pratt & Whitney) and wouldn't be so concerned with blades flying off. They are very light because of high tiny they are and, the shroud should be strong enough to hold them if they break.
I would be more concerned with choosing the correct power system (ESC, batteries and cables) for the current that you intend to draw. The last think you want is to start a fire in flight because you cheaped out on a wire
One interesting thing that I saw after my first bench test is that the sucking power is usually overrated, you can only feel the wind when you are only close to the fans (like 1 or 2 inches).
These ducted fans tend to suck air from all around its front, so the speed is very low all around and having another one close won't cause any problems. However, the exit has a very distinct unidirectional flow, giving its extraordinary thrust for such a small thing.
Watson.