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Slower Prop?
I have a Model Tech Extra 300L running a .46AX 11x6 prop. I flew it the other day and thought it was a to fast. I just purchased a 12x4 prop and I was wondering if this prop would make a noticeable difference in speed. I want to slow it down as much as possible, yet retain my power for hovering… Any recommendations on props?
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RE: Slower Prop?
Yes, a 12x4 would slow the plane down more than an 11x6. A 12x5 or a 13x4 would also work.
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RE: Slower Prop?
And if that fails, try the throttle.
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RE: Slower Prop?
ORIGINAL: bla bla And if that fails, try the throttle. I come from a park flyer background, so I am use to full throttle :) |
RE: Slower Prop?
Just one more skill you will have to learn.
Jim |
RE: Slower Prop?
I think its the other way around If you want to slow the plane down but still have the hover you need something like a 10x4 or 9x4, the 12 x4 and bigger are just going to bog the motor down. larger props are more efficient meaning it will product more thrust at a given rpm which means more speed.
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RE: Slower Prop?
ORIGINAL: polstery larger props are more efficient meaning it will product more thrust at a given rpm which means more speed. Larger props will not necessary give you speed if they don't have very much pitch. Take a 24" prop for instance. If the blades are totally flat (no pitch), then you won't go anywhere. Pitch is what determines speed, not diameter. |
RE: Slower Prop?
ORIGINAL: polstery I think its the other way around If you want to slow the plane down but still have the hover you need something like a 10x4 or 9x4, the 12 x4 and bigger are just going to bog the motor down. larger props are more efficient meaning it will product more thrust at a given rpm which means more speed. Short high pitch means minimum static thrust and maximum top airspeed (if the plane's drag doesn't win...) Hover is 100% dependant on static thrust. More is better... so the long low pitch is correct. |
RE: Slower Prop?
My Magic Extra has an OS 46AX and 12x4 APC. Nice, slow and unlimited vertical.
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RE: Slower Prop?
i used 11X4 to slow the plane down with the 46 fx . it will sound noiser . your turning more RPM ( longer prop & higher pitch will lug the plane down & creat more left tourk on take-off) ( lower pitch & shorter prop will in-crease rpm witch will prodouse more hp .) ( engine get the most hp at the highest rpm ) BILL WRC-FLYER
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