aluminum - RC Groups
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Jan 22, 2013, 05:45 AM
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Discussion

aluminum


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
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Jan 22, 2013, 10:16 AM
You know nothing....
Stuart A's Avatar
Do a search,lots of alu.airframes out there.Short step from there to edf.
Jan 22, 2013, 01:59 PM
Registered User
searched nothing yet
Jan 22, 2013, 11:09 PM
Aka: Tom Jenkins
ApexAero's Avatar
I found this one a couple years ago, the controls work and all made of beer can
Jan 23, 2013, 01:27 AM
You know nothing....
Stuart A's Avatar
Aluminium Rc plane (10 min 20 sec)

Can() be done.But,one mistake and it's scrap
Jan 23, 2013, 01:32 AM
Registered User
unclecrash's Avatar
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, 07:08 AM
Registered User
thank's guy's
Jan 23, 2013, 07:35 AM
You know nothing....
Stuart A's Avatar
Quote:
Originally Posted by unclecrash
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.
Sure there's one on here somewhere,I remember some raving about how well the formers were done
Jan 24, 2013, 02:32 AM
Registered User
unclecrash's Avatar
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, 11:29 AM
6 months to finish a rtf
pulsery2k1's Avatar
space 1

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, 02:32 PM
Registered User
Quote:
Originally Posted by pulsery2k1
space 1

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 .
Very nice planes.

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, 04:45 PM
Registered User
pulsery2k1
Thank's those look good yea i was thinking of fabricating fuse & build up wing
Jan 26, 2013, 11:00 PM
6 months to finish a rtf
pulsery2k1's Avatar
flylowfast

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
retracts .
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

f-16VSSPORTJET.wmv (9 min 37 sec)


90 mm Fly Fly Hawk flying on a centrifugal edf system (8 min 41 sec)


building a seethrough model for testing /demo's will post when complete
Jan 27, 2013, 11:03 AM
Registered User
D_FAST's Avatar
um it sounded 6 beeps thats a 6s

FAKE!
Jan 27, 2013, 03:34 PM
6 months to finish a rtf
pulsery2k1's Avatar
D_FAST

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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