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items tagged with draganflyer

An alternative to the draganflyer
Written By: Administrator
Section: RC helicopter

Category: Draganflyer - Roswell flyer

2005-05-07 21:46:47
<><><><>

X-UFO R/C Spaceship
A cheaper (200euro) alternative to the draganflyer (800euro)
Measures 49 x 49 x 7cm (l x w x d). UFO uses 1 x 12V battery
Available at www.boysstuff.co.uk, in this page HERE
I even found found a video (wmv 6.54Mb bad quality)


Read More About An Alternative To The Draganflyer...


Building a new frame
Written By: Administrator
Section: RC helicopter

Category: Draganflyer - Roswell flyer

2004-09-01 22:40:43
Some remarq about the original Frame:
This is what a roswell look like when you first buy it. After some pratice, you will rapidly notice that the main frame (for me a big piece of shit) break easily in many places. That's because it was designed for flying indoor. After gluing together the parts, I decided to replace it with something stronger.

Pictures are like thousand words, so if you need more explanation, feel free to contact me...

First Idea : redo the frame in the same material.

OwnshitFrame.jpg
OwnshitFrame.jpg

My first attempt : using the same material as the original frame ("carton plume").
It is really cheap, lightner than CFK but I decide it was not the way to go.

Second idea : use gfk and add glue in some place to improve the original frame
not tested.

thrird Idea : do a new one with aluminium tube (instead of CFK, wich is really too expensive)

side.jpg
side.jpg

yeah i am using small rope
and CA glue, it is as strong as carbon

kitchenAir1.JPG
kitchenAir1.JPG


it is light and strong, maybe a
little too heavy
Kitchenair2.jpg
Kitchenair2.jpg
electronic.jpg
electronic.jpg


The electronic circuit is mounted on top
general.jpg
general.jpg


final look of the roswell
below.jpg
below.jpg


I still have some problem to mount battery in it
generalbelow.jpg
generalbelow.jpg


Symetric mounting as required by
the original frame
side2.jpg
side2.jpg


Do not forget to cut 2 tennistable ball
(ping pong) for protecting the motor connections.

Total cost :

  • Aluminium pipes : 12 FF
  • Epoxy glue (90 seconds) : 35 FF
  • Kitchen Aerator : 25 FF

4th idea, build a bigger roswell based on the small one.

On order to reuse the computer board, i will use new transistor (same reference as the original, it is only for protecting the board) and dissipator. The circuit board is using too small printed circuit. So I prefer to make an external power circuit.

Â



Roswell Flyer, HMX-4, Draganflyer
Written By: Administrator
Section: RC helicopter

Category: Draganflyer - Roswell flyer

2004-09-01 22:39:42

The Roswell Flyer or Draganflyer or HMX-4 flyer were designed by Mike Dammar at www.spectrolutions.com (a very cool man) They all shared a same design, just strong enough to fly indoor. It is the greatest machine i've ever flown, and all friends or people in the street agreed. The price is very high (as expensive as a picollo) but the price range is the same with all rc helicopter : all price can be easily divided by 2! I regret that only a few people can buy this wonderful machine but if you can afford one, do not hesitate : buy one, it is very stable in the air (3 gyro) but still required some helicopter knowledge.

Clone

This is the Roswell Flyer or HMX-4 flyer.
The old manufacturer of the Roswell Flyer
(www.afot.com) disapear, but you can still
aquire the HMX-4 at www.spectrolutions.com.
Model is discontinued and can not be bought.
This is the Draganflyer, can be bought
at www.draganfly.com It has a much
better frame in carbon.
This is the Draganflyer XP, the big brother of the
Roswell Flyer. Draganfly corp (www.draganfly.com)
sell them.
Glow version, build by a Swiss guy. A pics of this device
flying was published in RCM magazine.
No other info avalaible.
Contact me HERE if you have informations.

Daniel Prelinger version

With no CPU at all only mixing devices and 3 gyro
Page is HERE
His plan is here (not tested and author do not respond)

http://www.inetport.com/~davisele/roswell.html Richards Friedrich had a lot of knowledge using
the basic stamp, great chance of success.
Project Stopped.
www.gizmocopter.org based on a linux system and pc104 card
(expensive setup). Do not know if it fly. This project is trying to
build a remote flying plattform and therefore use expensive
devices to achieve their target.
Vectron blackhawk, thethered version not so interesting except
it's low price. ($90) Movered it's principle do not allow the TX to
loose direct view on ship (infrared beam which act as a fixed
reference for the control)
CL327

Origin : Canada
Remote controlled
Contra Rotor
Rotor diameter : 4 meter
Height : 1.84 m
Empty weight : 150 kg (no fuel, no load)
Gross take off mass : 350 kg
Payload carrying capacity : 105 kg
Speed : 157 km/h
Ceiling : 5.5 km
Climb rate : 7.6 m/sec
Range : 200 km
Mission : surveillance, border patrol...

ENGAGER GS III E-770
500mm X 400mm, Height 120mm,
Rotor size: 330mm,
Weight: 300g,
Ni-Cd-Akku 7,2V, 500mAh, 120g


GYRO SAUCER II E-570
250mm, width 250mm, Height 75mm,
Rotor size: 133mm,
Weight: 85g,
Ni-Cd-Akku 7,2V, 120mAh
http://www.jugend-forscht.de/html/wet/i_lis.php
?id=1389&stichwort=&plz=&bundesland=Bayern&
jahr=2003&fachgebiet=Technik
Fuzzy controler and fast processor.
Controlled with a hand glove.

Reviews

Great machine, except flight duration (3-4 or 5 minutes!). I hope that new generation of li-ion will help.






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