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Russell Duffy wrote:
Greetings,
As I ponder my choices for mounting the single rotor engine, I noticed something that surprised me. 304 stainless is cheaper than 4130 steel. One thing that's always bothered me about steel tube type construction is the concern for rusting inside the tubes, so stainless is appealing. There must be a catch here. Is there a good reason I should use 4130 instead of 304? Either will likely be sized much larger than needed, since I don't have the means to do any proper analysis of the strength. Thanks,
Rusty (Autoflight drive supposed to be shipping next week)
Well, after wading through all the replies, everyone seems to be ignoring the obvious answer: aluminum. :-)
Sounds heretical, but there are AL mounts that have been flying for decades on certified a/c. IIRC, some of the bed mounts for Franklins are AL.
Charlie
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