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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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thin wall tubing (0.005") wall???
Out of lurk mode,
I've got stuck into this RC Helicopter hobby, and its way too much fun asides from the crashing to the Earth part, or what we call "unscheduled landings" To set the stage, here's a video of my "best" attemtps at having fun. Compared to the sponsered pilots I fly like a pile of beetle dung. http://www.vimeo.com/1371902 Also, just to get the idea across, the heli has a 5 foot diameter rotor disk. The rotors are 190grams of carbon fiber traveling with a tip speed of 380mph. The motor is a 30% nitromethane, 50% methanol, 20% OIL burning 0.9cuin engine producing nearly 3.5hp.. ITs a LOT of fun, and mechanical too boot, with not a piece of wood in sight! Anyway, one thing that bums me out is a crash, like this: (*languange, not safe for work audio) http://www.youtube.com/watch?v=vc4QDr6plEQ In the above, an important bit fell off in flight, resulting in backflips.. sigh. Anway, to the point of this post. Does anyone know where to find amazingly thin wall tubing? Specifiaclly I'm looking for 0.3125" OD x 0.005" wall stainless in 36inch lengths (yes 0.005" wall) 0.866" (22mm?) OD x 0.02" wall alluminium in 36inch lengths 1" OD x 0.02" wall aluminum in 36inch lengths. Asides from $120 main blades, the most common parts to replace after an unscheduled landing is the tail boom and driveshaft. For instance, the 1" OD x 34inch long tail boom costs $21.00. It is black anodized with a few simple holes punched in it, but it galls me to buy somehting so light for soo much. The driveshaft is $22.00, am I just being cheap? BTW, I recomened that anyone intersted in this hobby RUN AWAY! Its the combination of Gambling, death defying, and self adminstering your own happy pills all rolled up into one complicated mechanical wet dream. (IE Lots of fun, somewhat expensive,and very dangerous if you hit yourself with it!) Gawd I love this hobby I leave with a few more of my more stupid moments caught on video: http://www.vimeo.com/1287005 - need to fire my mechanic http://www.vimeo.com/1311989 - need to fire my engine tuner http://www.youtube.com/watch?v=2uLZWWo86lY - need to fire my pilot -- Take Care, James Lerch http://lerch.no-ip.com/atm (My telescope construction,testing, and coating site) http://lerch.no-ip.com/ChangFa_Gen (My 15KW generator project) "Anything that can happen, will happen" -Stephen Pollock from: "Particle Physics for Non-Physicists: A Tour of the Microcosmos" " Press on: nothing in the world can take the place of perseverance. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. " |
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