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Rod -ends

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Vilhelm

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The Acro Sport II is designed with a lot ofexpensive rod-ends. The plans cals for 31 very expensive Fafnir rod-ends for the push-pull-tubes, aileron hinges and other applications. In some cases they can be substituted with the slightly cheaper Heim Uniball rod-ends, which I think is the same quality and even better in some respect, as they havemore movement-range.
But thereis another rod-end manufacturer, Aurora. I am about to make my aileron slave struts, and the plans calls for a Fafnir RAP3-M4-2, which cost $ 71.25 in the catalogue from Wicks. But there is alsoan Aurora XM-3at only $ 8.45. The Aurora is not quite identical, but the important dimensions are the same, soI think itcan be used as a substitute.
But is it the same quality? After allthere is a huge price-difference betwen the two rod-ends, and usually qualitydemands ahigh price.
Maybe someone here have any good or bad experience with the Aurora rod-ends ??
 

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