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11 pages [ <<    <     1     ( 2 )     3      4     NEXT    >> ]17052 viewsPOST REPLY
Futaba-RC . Fast Lad Performance . Esprit Model

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Got Jet Fuel? Turbine Helicopters > Coaxial KA-50 Turbine Build
 
 
Mark Spies
Senior Heliman
Location: LaPlace, La and Houston ,TX

Just one thing to say, BeautifulKeep us posted, Mark

Starwood Scale Models
03-25-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Thank you Mark, it is all the creative sweat of Volker...

His design and execution of this machine is a true tour de force,
in a time when that phrase is tediously used to describe much lesser
accomplishments.

There is a new KMAX model coming...

Kamov is going to give us a factory tour during the course of the
upcoming Moscow MAKS airshow in august, when those of the one to one scale fly...

and they fly up close and extremely aggressively...

If you have not been to a Russian airshow, you have quite an experience coming in converting fuel to noise, g force, and
close and personal turbine blasts in your face....


m
03-25-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Yaw controller installation

Yaw control slider for differential collective,
pushrod, and oil sealing bellows.




m
03-28-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Transmission cover

Outer shaft for lower rotor, and final assembly with
drive gear.


m

03-28-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Complete transmssion

Upper and lower rotor shafts, with
completed sealed case and yaw pushrod.

m
03-28-2007 Over year old.
 
 
trashmanf
Heliman
Location: Kent, WA

just amazing! Ok, so I watched the video. Can this thing do inverted flight and other basic aerobatics?
03-28-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Yes

It will do all aerobatics, including inverted.


m
03-29-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Upper Rotor Head

Upper head with flapping hinges and ready for blade holders,
all polished.


m
03-29-2007 Over year old.
 
 
dickgtax
Heliman
Location: Durham, North Carolina

Boy, we sure don't have anything like that in North Carolina!
03-29-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Head

Upper rotor head assembly.

m

[PH
03-29-2007 Over year old.
 
 
trashmanf
Heliman
Location: Kent, WA

that looks BEEFY!!!!! I bet even if you crash it that head holds up just fine ! great pics keep em coming!!!
03-29-2007 Over year old.
 
 
umdpru
Key Veteran
Location: Massachusetts

the head pics are particularly interesting. the contra-rotating geometries are very fascinating.

pru
03-30-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

Upper/Lower

Head/Hub assemblies....

m
04-01-2007 Over year old.
 
 
trashmanf
Heliman
Location: Kent, WA

oh man that is so nice. I just realized that 2.5m = 8 FEET rotor diameter! your scale model is going to have real presence
04-02-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

upper and lower complete

Upper rotates clockwise.


m

04-02-2007 Over year old.
 
 
umdpru
Key Veteran
Location: Massachusetts

how long is the main rotor mast from the bottom of the transmission to the top of the upper rotor hub?

that thing looks 2 feet tall!

pru
04-02-2007 Over year old.
 
 
human213
Senior Heliman
Location: malibu

height

Close enough; 22.6 inches.

m
04-04-2007 Over year old.
 
 
bob576
Heliman
Location: Florida

could you explain the yaw system a little more? You say that its differential collective and im assuming that that would cause one head to slow making the heli yaw...but if both heads ar dirctly connected in the gearbox it would be imspossible for one to slow without the other one slowing with it...does that slider in the gear box do something about this? its really hard to tell from the pics cause everything is so close together

The 5 ?'s...
Does it fly? How fast? How High? How far? How much
04-04-2007 Over year old.
 
 
mcfast
Veteran
Location: Canada

Hi bob76
You do not slow one head down, it gives less pitch to one head and more to the other causing the helli to yaw, but the total pitch of the two stays the same, so lets say you are hovering, 3 degrees top and 3 degrees bottom total 6 degrees, so you wont the helli to yaw, so it gives 2 degrees to the top and 4 degrees to bottom, so it yaws, but the total pitch is the same 6 degrees, or some thing like that.
04-04-2007 Over year old.
 
 
umdpru
Key Veteran
Location: Massachusetts

^^

right, and more pitch equals more torque and since the shafts are counter rotating you can control which way that yaw torque is applied. vice versa for opposite yaw.

pru
04-04-2007 Over year old.
 
 
11 pages [ <<    <     1     ( 2 )     3      4     NEXT    >> ]17052 viewsPOST REPLY
Thunder Power RC . Real Raptors . Mikado Modellhubschrauber

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Got Jet Fuel? Turbine Helicopters > Coaxial KA-50 Turbine Build
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