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FTL45 distance to front of prop shaft.

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FTL45 distance to front of prop shaft.

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Old 01-29-2008, 03:11 PM
  #1  
cwhipple
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Default FTL45 distance to front of prop shaft.

Anyone know what the dimesion is from the back of the motor to the front of the prop shaft? I am putting a FTL45 Gas engine in my QQ 86" Yak and want to know if I will need to shim motor. From firewall to front of the cowl is exactly 5".
Old 01-30-2008, 06:43 AM
  #2  
focusjohn55
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Default RE: FTL45 distance to front of prop shaft.

FTL 50 Petrol Engine

Brand New, For R/C Aircraft.



A very high quality engine, in fact the factory has only just finished development and testing.
The 45cc engine puts out up to 7800rpm to give 3kw of power!


All engines come pre-tested and tuned from the factory.
The factory that makes this motor is run by a big r/c enthusiast and he knows his engines.
This is no weed-whacker or modified scooter motor.


It was built from the ground up to be a competitive large scale R/C gas plane engine.
Due to this, it has an excellent power to weight ratio, giving it the ability to be used for large scale 3D flight.


Unique and quality features which make this an outstanding engine are;


Walbro (Japanese) carburettor. Easy to tune, instant throttle response.
CNC Milled crank-case. Precise, light weight yet strong.
CNC Lathed prop shaft. Light weight yet strong.
Twin reed valves. A must have for powerful 2-stroke gas engines.
CDI system. Electrinic Ignition makes starting a breeze!

The exciting thing about gas motors such as this one, is that they improve with age, giving increased power output.
Treated well, these engines will last for many years.

Check out the pics. below for more information:


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Specification:


Displacement: 50cc
Weight: 1584g
Carburettor: (Japanese Walbro) Diaphragm & Butterfly valve.
Prop Speed: 1700 ~ 7800rpm
Max power: 3kw
Suggested prop: 20x8, 20x10, 22x8 or larger
Ignition: DC-CD (6v)
Mixture: 25:1 to 40:1
Bore/Stroke: 43 x 31 mm
Size: 170mm long, 215mm wide, 215mm high (Including baffel)
Mount hole: 64mm x 64mm

Old 01-30-2008, 07:19 AM
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tomyrcmodels
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Default RE: FTL45 distance to front of prop shaft.

Bore/Stroke: 43 x 31 mm = 45CC not bad if RTF weight (including ignition muffler ,standoffs)are just 1584g.
Old 01-30-2008, 09:41 PM
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skiman762
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Default RE: FTL45 distance to front of prop shaft.

mounted to a flat firewall 5 1/2 inches would give you about 1/8 clearence for the fins

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