|Jan 22, 2013, 04:45 AM|
Joined Apr 2007
has any one ever built aluminum air frame. Beside's beer can bi wing. Mabey molded fuse from .0010 thousands of inch aluminum & buil up wing & aluminum fan mabey 120mm fan size
|Jan 23, 2013, 12:32 AM|
I can't remember where, but was reading a thread of a trainer, It was all made of aluminum tube and sheeted with aluminum too.I did a search but cannot find it. It might of been on RCU but it was a long time ago.
|Jan 23, 2013, 06:35 AM|
|Jan 24, 2013, 01:32 AM|
Too bad the search engine isn't better on here. I remember it was a trainer or a top wing, like a cessna and the guy was from oversea's tyland or somewhere like that and he did a really nice job on it. I checked my bookmarks but I must have not stored it like I usually do.
|Jan 26, 2013, 10:29 AM|
to answer your question , I built 2 scratch built airplanes from aluminum
this was back in the 70's , they sold sheets of 0.003 aluminum slightly
thinner then soda can .
construction was (first model ) balsa typlical gulliows type , then
the pattern's for the coverings were made from paper - cut the
aluminum , then gluded to airframe - end result very light weight
very strong airframe .
the second model used aluminum bulkheads with balsa stringers
also ended up with a very strong /light weight airframe , not hard
but time comusing .
|Jan 26, 2013, 01:32 PM|
Joined Jun 2009
Can you give more details ?
What was the length/wing span/weight ? Also, what kind of motor did you use ?
Do you have any video of their flights ?
|Jan 26, 2013, 10:00 PM|
Thanks , Both model are close in size , the x-1 is 36" ws 38" long
built several of these - most were E-F rocket powered 4 motors
fired 2 at a time , one model was Freon Powered .Both have
the second had a 38"ws and was 40" long this was powered by
a cox 15 racing nitro engine connected to a centrifugal system .
the fan unit is shown in foreground - air inlet was under model
to allow starting the nitro motor, both these model had crude AP's
the newer jet had a auto duel rate system .
both models were in the 3 lb range , since these were built in early
70's it was before video .
I thinking of building another x-2 here in the scratch built section
soon to show off our now working centrifugal fan.
tryed to build a new version of this 3 years ago but ran in to problems
now working properly , just needs some more development to increase
top speed , whick is why I'm thinking of building another.
the videos below are of the fan flying
building a seethrough model for testing /demo's will post when complete
|Jan 27, 2013, 02:34 PM|
know it all's, that why I've keep off these treads
with all the diffrent esc's on the market your the expert
in th first video it beeped 10 times so using your way of thinking
it was running on 10 s ????????????????
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