RCU Forums - Best throw meter

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ro347

10-17-2007 09:14 PM

Best throw meter

Whats the best throw meter around. Cost effective too? I see alot of them read in degrees. How do you convert degreees to inches? I have the great plane throw meter....not to good for planes with very high throw or larger planes.

KWJ48

10-18-2007 02:05 PM

RE: Best throw meter

[link=http://aero-works.net/store/detail.aspx?ID=274]This[/link] one by aero-works is nice, and it reads in degrees.

rlipsett

10-19-2007 02:38 PM

RE: Best throw meter

to get from degrees to inches you multiply the length of the control surface times the cosine or the sine of the degree. It has been awhile since I used the math so I do not remember which it is but one value will seem right and the other will be a ludicrous answer.

Charlie P.

10-19-2007 03:03 PM

RE: Best throw meter

[link=http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXK260&P=ML]This[/link] one costs half what [link=http://aero-works.net/store/detail.aspx?ID=274]That[/link] one costs and is probably cost effective if not very robust. I have a home-made cut from a piece of paneling veneer with a half-circle cut-out ticked off by hand from a protractor and slotted into a block that I shim up or down from a table top with scrap wood and it works as well as any. I end up flying it and making adjustments to suit me rather than the high/low throws from the plans. C.G., weight and personal taste can alter the best throws.

ro347

10-19-2007 03:04 PM

RE: Best throw meter

YOu mean 24 feet of throw isnt correct?

JustErik

10-19-2007 06:39 PM

RE: Best throw meter

What the heck's a throw meter? :) Just kidding, of course, but seriously, I just set high rates at "all I can get" and low rates at about half that. I then dial in a generous amount of expo on BOTH rates just to be on the safe side. After the first flight, I start tweaking until I get it where I want it. I suppose if I REALLY wanted to measure the throw, I'd use a ruler or a protractor, as necessary.

Just my (somewhat primitive) thoughts.....

Erik

foresterxt

10-19-2007 08:22 PM

RE: Best throw meter

Quote:

ORIGINAL: JustErik

What the heck's a throw meter? :) Just kidding, of course, but seriously, I just set high rates at "all I can get" and low rates at about half that. I then dial in a generous amount of expo on BOTH rates just to be on the safe side. After the first flight, I start tweaking until I get it where I want it. I suppose if I REALLY wanted to measure the throw, I'd use a ruler or a protractor, as necessary.

Just my (somewhat primitive) thoughts.....

Erik

That's funny..I was thinking the same thing:D I just dial up maximum throws for 3D and add a healthy amount of expo.

Charlie P.

10-19-2007 08:56 PM

RE: Best throw meter

Quote:

ORIGINAL: JustErik

What the heck's a throw meter? :) Just kidding, of course, but seriously,I just set high rates at "all I can get" and low rates at about half that. I then dial in a generous amount of expo on BOTH rates just to be on the safe side. After the first flight, I start tweaking until I get it where I want it. I suppose if I REALLY wanted to measure the throw, I'd use a ruler or a protractor, as necessary.

Just my (somewhat primitive) thoughts.....

Erik

LOL. That is EXACTLY what I just did in setting up a Goldberg Hot Stik. All I could get on high & the low rates 50% of that.

Gotta love digital trims, D/R and end points.

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