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Backpack Helicopter/VTOL - 2/1/2006 2:41:43 AM   
lonehead


 

Posts: 10
Joined: 12/14/2005
From: los angeles, CA, USA
Status: offline 		Just a thought and would appreciate any feedback. How about building a Backpack helicopter using 4- 150 cc model engines that can each pruduce up to 70-80 pounds of thrust each. I am aware of the dangers with all the concepts out there now as far as flying in high altitude but what about one that can just lift a person 5-10 feet off the ground so you could fly/hover around and only fall a few feet should engine failure occur. I'm thinking of building a prototype and would appreciate any knowledge/feedback on this subject. Also, if anyone is in the Los Angeles area and interested in taking a role in building it, let me know...two or three heads are better than one.
       Post #: 1

RE: Backpack Helicopter/VTOL - 2/1/2006 3:20:27 AM   
subarubrat


 

Posts: 612
Joined: 4/1/2005
From: Remington, VA, USA
Status: offline 		Of course it is dangerous, those blades store allot of energy and a wreck might be a slight fall but the blades could do allot of damage. But if we listen to the safetly nazis and turn our backs to everything that approved in their nerfworld view then we are timid for sure. I say understand the risks, wear the best safety gear that suits the purpose (full face helmet, police type stab vest etc. and go for it.

_____________________________

DUTY, HONOR, COUNTRY

(in reply to lonehead)
       Post #: 2

RE: Backpack Helicopter/VTOL - 2/2/2006 4:45:35 AM   
smokingcrater


 

Posts: 2353
Joined: 9/20/2002
From: Up north, ND, USA
Status: offline 		that made it to a mythbusters episode... also check out what moller has built throughout time, i think he had a duel ducted fan design that flew, sort of...

they all have some basic problems. thrust to weight for a ready to fly setup in that size is tough, best case scenario and you are just borderline. stabilization is going to be challenge, and obviously the entire thing is incredibly dangerous.

< Message edited by smokingcrater -- 2/2/2006 4:46:22 AM >

(in reply to subarubrat)
       Post #: 3

RE: Backpack Helicopter/VTOL - 9/22/2006 6:40:02 PM   
pave-low



Posts: 81
Joined: 7/22/2002
From: Tacoma, WA,
Status: offline 		100% match
http://www.peroxidepropulsion.com/images/backpackheli.jpg

Solotrek
http//news.com.com/2100-1040-816996.html

O.K. just scary!
http://hovercopter.us/


Scary
http://www.nasm.si.edu/research/aero/aircraft/pentecos.htm

Exactly what you talking about
http://www.ohgizmo.com/2005/10/19/the-gen-h4-personnal-helicopter/

Bingo!
http://tipjet.com/TJGallery.htm


< Message edited by pave-low -- 9/22/2006 7:43:19 PM >

(in reply to smokingcrater)
       Post #: 4

RE: Backpack Helicopter/VTOL - 9/23/2006 12:24:10 AM   
motorbikemikexb9


 

Posts: 31
Joined: 11/27/2004
From: Wadsworth, IL, USA
Status: offline 		Inspector Gadjet had one of these that popped out of his hat.

(in reply to pave-low)
       Post #: 5

RE: Backpack Helicopter/VTOL - 10/2/2006 8:23:29 PM   
-Inverted-



Posts: 11919
Joined: 10/5/2005
From: San Diego, CA, USA
Status: offline
quote:

ORIGINAL: motorbikemikexb9

Inspector Gadjet had one of these that popped out of his hat.


LOL!!

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The Living Legend

(in reply to motorbikemikexb9)
       Post #: 6

RE: Backpack Helicopter/VTOL - 10/5/2006 1:47:44 AM   
tsyssa


 

Posts: 477
Joined: 2/10/2006
From: Meriden, CT, USA
Status: offline 		Lol...the Moller never got off the ground under its own power from what I can see. Look even at the latest video of it on the discovery channel and you can still see the crane in the background and the cable holding the "aircraft" up....

Good luck with your backpack...maybe some type of multiple ducted fan?!?!

_____________________________

Best regards, Todd Syssa
Syssa Aircraft Performance (860) 538 - 2937

(in reply to -Inverted-)
       Post #: 7

RE: Backpack Helicopter/VTOL - 10/17/2006 8:00:14 PM   
hel loco


 

Posts: 4
Joined: 5/6/2003
From: westerlo, BELGIUM
Status: offline 		There's a yahoo group about back-pack helicopters:

back-packhelicopter.subscribe@yahoogroups.co.uk

hel loco

(in reply to tsyssa)
       Post #: 8

RE: Backpack Helicopter/VTOL - 10/18/2006 1:43:44 PM   
Wild Foamy



Posts: 1006
Joined: 10/11/2006
From: Newbury, UNITED KINGDOM
Status: offline 		as someone just said, Inspector gadget did have a petrol chopper that came out of his hat...

perhaps you could build a motor and rotor on top of a hat for stability? kinda like a high-wing trainer aircraft, atleast then it may be more stable

_____________________________

Wild Foamy - 26/10/1992 - BMFA #158272 - Solo''d 31/7/08

(in reply to hel loco)
       Post #: 9

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