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MTA Hobbies . Model Rectifier Corp . ReadyHeli

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First group of three Dolphins
 ScanImage02__.jpg
Second group of the three
groups (total : 9 Dolphins fly-by, it was noisy)
 ScanImage01__.jpg
Formation fly-by.
Note: 3 more helis at
the bottom right corner
 ScanImage04_.jpg



My first heli: Humming 20 from 1978
 
 

Fix pitch. Used Fuji 25 engine. No cooling fan. Used hugh heat sink to cool the engine down. Wood frame with alumimum tail boom & skid. Tail rotor, tail fins were made of balsa wood. No indication in manual on the pitch angle, just twist the nylon block on rotor header to whatever you feel comfortable with. Tail gear was exposed - to dust and everything. Note the air foil, it used flat bottom airfoil.
Heli under construction
B&W Pics
 DSC03306.jpg
Humming 20
 ScanImage01.jpg
Start the engine
from below
 ScanImage02.jpg



Servos from the 70's
 
 

Six servos on the left
are from the 70's
Logitec, Micro, Micro,
servo from HK, Futaba
EK logic (the
'micro' servo at the time)
from 2000: Tower Pro & GWS
 Oct05_125.jpg
Servo Amp in the Logitec,
uses ordinary resistors
& transistors
 Oct05_134.jpg
Logitec & GWS micro
for comparision, Logitec
was the standard size servo
 Oct05_126.jpg
See how big it was,
& heavy too
 Oct05_131.jpg




Top view
 Oct05_127.jpg
The servo connector,
it uses 4 wires
the older one
uses all 7wires.
 Oct05_129.jpg
GWS micro servo
for comparison
 Oct05_130.jpg



Current Equipment
 
 

My fleet for air & land
...no marine.
 ScanImage01_.jpg
My radios.
 ScanImage02_.jpg


JR heli radio from 78-79 for the Humming 20
 
 

This all metal helicopter radio was from JR back in 78-79. It didn't have any dual rate, mixing or servo reverse. It was on 27MHz FM (an advance feature at that time). The top of the radio has 4 special knobs for the ATS system and a switch to turn the system on/off. The knobs control the response of the rudder servo with respect to the rate of change of the throttle. How fast the rudder response and the magnitude of the defection of the rudder servo - all done on the trasmitter (without micro processor/computer), no gyro.
The gimbal stick.
 JR1.jpg
ATS system on
top of radio
 JR2.jpg
Top right switch
is a timer
I added to the radio
 JR3.jpg
Other side of the radio
 JR4.jpg




Lable on the back
of radio
 JR5.jpg
Front of the radio
 DSC00367.jpg
Another view
 DSC00368.jpg




JR plane radio around 1980
 
 

A JR custom Tx case
from 1980...
 DSC00369.jpg
and its content, you're
right, I fly mode I.
 DSC00370.jpg
Another view
 JR10.jpg
Snap roll & throttle
hold buttons
 JR11.jpg




All VR pots, no computer!
 JR12.jpg
The other half
 JR13.jpg
No surface mount either
 JR14.jpg
All electronics mixing, no computer
 JR15.jpg




Heli from the same era
 
 

Baron 40?
 ScanImage03.jpg
A lot of Falcons
 ScanImage04.jpg
Falcons with
broken wings
 ScanImage05.jpg




Touch and go on the surface of a pond by a high wing plane with wheels, not ski or floats
 
 
Touch and go on
the surface of a
pond by a high wing
with wheels.
 ScanImage07.jpg
Well, it touchs the water
surface, come to a stop
instantly and floats instead.
Picture shows
the parts from the plane.
 ScanImage09.jpg


My Helper
 
 

My Helper
 DSC00358.jpg
Safe way to keep
the Tx from snow damage
 DSC00357.jpg


For Sale
 
 
New Zap/ShoGun/Zoom 400/Micro Star. From Toronto-Canada area.
 DSC00238.jpg

Power Helis . CANOMOD . Experience RC

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