GP Slinger , FMA Razor

GP Slinger , FMA Razor (Full Version)

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Flight Risk -> GP Slinger , FMA Razor (11/7/2009 3:47 AM)
Hey I just picked up a new/old 48" FMA Razor, and have been trying to research it. Finally I came across this Great Planes Slinger and it sure seems like the same plane, except for the servo covers. http://www.rcuniverse.com/magazine/article_display.cfm?article_id=365 Then I noticed a link at the bottom to FMA. Did GP take over FMA products? Also, I have only flown gear drive tractor motors before, with prop savers. How do you guys with direct drive motors attach your props, and not worry about bending/breaking the drive shaft? I would think that prop savers wouldn't work on these high speed motors. Any suggestions on a motor that I could use with my Castle Creation Phoenix 25? I used it with a Himax 2025 which recently bit the dust. I guess some of you are using outrunners, on Zagi's and Strykers. Do they make more sense than an innrunner? I see the motor is supposed to be attached with a zip tie, but shouldn't a motor back there need a heatsink? How would you attach an outrunner in there? Thanks for any ideas. Rod S

b16a2sir -> RE: GP Slinger , FMA Razor (11/13/2009 4:52 PM)
I had the slinger years ago. The zip ty held untill i put 4s in there and then the motor would shake under full power. An outrunner would be tough to do, but is do-able. I would stick to an inrunner, the motor will get enough cooling from the airflow. a standard prop adapter should work fine, which clamps or set screws to motor shaft. Bending the shaft is always going to be a risk, but the prop is small so should be OK.

Flight Risk -> RE: GP Slinger , FMA Razor (11/14/2009 6:04 AM)
Yea, thanks for the reply. I will plan to use an inrunner and not worry about the shaft. RS

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