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HomeAircraftHelicopterHelicopter Main Discussion › Isotruss Tail booms?
02-03-2010 02:49 PM  8 years agoPost 1
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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Hey guys i was reading about this company called isotruss that makes mountain bikes with extremely light and extremely strong trusses that can be made from any material including carbon fiber you guys think it could be used for rc heli tail booms? i know carbon fiber is light already but hey every gram counts! ALSO the process can be used for flat objects (frames anyone?) these would be for high end high experience pilots who dont crash alot of course
http://www.gizmag.com/delta-7-arant...nd-bikes/14059/

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02-03-2010 03:59 PM  8 years agoPost 2
ch-47c

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san jose, ca

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It kind of looks like expanded metal.

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02-03-2010 04:04 PM  8 years agoPost 3
Steff Giguere

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How much do you think it would cost? I'd think that it would be way expensive.

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02-03-2010 06:00 PM  8 years agoPost 4
VooDooX

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How much do you think it would cost? I'd think that it would be way expensive.
i dunno just fantasizing haha anyways it says it can be made with automated techniques so shouldnt be too much just cost of material if there using it on a bicycle (high end probably in line with a heli) then it cant be THATTT much

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02-03-2010 06:02 PM  8 years agoPost 5
VooDooX

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It kind of looks like expanded metal.
it is expanded metal in the pic but the company says it can make it from any material from bamboo to carbon fiber to metal and can also be used for flat surfaces

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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02-04-2010 12:32 AM  8 years agoPost 6
ch-47c

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san jose, ca

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I suppose if they made it with a material light enough for rc helis, that it would still have the strength and rigidity for the type abuse we give our helis.

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02-04-2010 01:03 AM  8 years agoPost 7
JasonJ

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North Idaho

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I see a few problems with that mountain bike, largely due to my having mountain biked for a long time before becoming lazy. The frame looks cool and probably performs well, but what happens when you crash it? Any ding to that truss construction would create a weak point, then the thing could fold up on you like a wallet. It's the reason why I never trusted carbon fiber mountain bike frames. You crash and ding it, you create a weak point that could fail with zero warning. For mountain bikes, I'll stick with good old fashion aluminum tubing.

Now, for heli booms, I think that would be pretty cool. Just wonder how it would handle the loads from a hard piro stop or something similar.

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02-04-2010 02:09 AM  8 years agoPost 8
ch-47c

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san jose, ca

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Looks like a tubular cheese grader and if you slip off the peddles you'd get a serious rash.

But like voodoo originally posted, it looks to have some benefits for rc. When you piro, then wouldn't be much drag unless the openings or trusses cause more drag than a tube. There's little weight because it's mostly air. You could easily service a TT or belt. If you fly nitro, man there would be an oily mess that you couldnt really cleanup.

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02-04-2010 04:37 PM  8 years agoPost 9
VooDooX

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If you fly nitro, man there would be an oily mess that you couldnt really cleanup.
or if you think positivly free belt lube

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02-04-2010 04:42 PM  8 years agoPost 10
Justin Stuart (RIP)

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Plano, Texas

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Wouldn't you have to make the truss tail boom with just as much material as a tubular CF boom? So there wouldn't really be any weight savings?

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02-04-2010 04:52 PM  8 years agoPost 11
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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no you can make it out of CF with all the holes in it and it will be just as strong and since less material less weight also less wing resistance in piro moves probably

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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02-04-2010 08:05 PM  8 years agoPost 12
VooDooX

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its apparently extremely light

and extremely strong

annnd extremely cool

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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02-04-2010 08:08 PM  8 years agoPost 13
Justin Stuart (RIP)

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Plano, Texas

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That would be cool with a belt or TT spinning inside.

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02-04-2010 09:02 PM  8 years agoPost 14
ch-47c

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san jose, ca

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or if you think positivly free belt lube
LOL

Those pix really show the strength. Bell 47s had truss tailbooms.

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02-04-2010 09:15 PM  8 years agoPost 15
djrformcar

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Las Vegas, Nevada USA

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Likes like you'd get a lot of drag from some thing like that, not to mention the carbon splinters after a crash.

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02-04-2010 09:16 PM  8 years agoPost 16
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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ya and whats cool abotu these is they would

1.have less wind resistance presumably
2.be able to see your belt and check for wear/lube it
3.lighter
4.cooler
5.there already semi cylindrical so making these work for an rc heli wouldn't be too hard

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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02-04-2010 09:19 PM  8 years agoPost 17
ch-47c

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san jose, ca

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Any info on how small a diameter they can be made?

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02-04-2010 09:25 PM  8 years agoPost 18
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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no im still looking for more info tho the company is called isotruss

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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02-04-2010 10:55 PM  8 years agoPost 19
ch-47c

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san jose, ca

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I looked at their website, but can't find info on application dimensions. They are used for medical purpose too, maybe a stent? That would be small.

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02-05-2010 01:39 AM  8 years agoPost 20
BlakeMcBrayer

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Georgetown, Ky

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I see a few problems with that mountain bike, largely due to my having mountain biked for a long time before becoming lazy. The frame looks cool and probably performs well, but what happens when you crash it? Any ding to that truss construction would create a weak point, then the thing could fold up on you like a wallet. It's the reason why I never trusted carbon fiber mountain bike frames. You crash and ding it, you create a weak point that could fail with zero warning
Copied from the link posted below the picture:
How it applies to bikes
.
.
.
.
• Because of the redundant nature of its grid system, damage to one section of the frame remains isolated and can be repaired, as opposed to conventional frames that usually have to be entirely replaced

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HomeAircraftHelicopterHelicopter Main Discussion › Isotruss Tail booms?
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