NGH GT-25 PETROL ENGINE
Area of ??application:
aircraft models with a take-off weight of approx. 5 -8 kg. Or anywhere where a 20 -25cc glow-ignition engine would be provided.

Technical data
Displacement 25.10cc
Power HP 2.7PS @ 10,000 / RPM
Bore 33.2mm
Stroke 29.0mm
Speed ??range 1800 ~ 9000 rpm
Crankshaft thread 5/16 x 24
Air screw (recommended) 2-blade eg 16x8/10, 17* 8
Performance (measured) propeller 16x8 8200 revolutions/min.
Air screw 17x8 7800 revolutions/min.
Fuel petrol/oil mix 1:35 (1:25 running-in phase)
Spark plug 1/4*32
Weight of engine including sensor, carburettor and spark plug 865g
Weight of silencer 95g
Weight of ignition 100g
Carburettor Walbro WT series with choke
ignition battery ( optional) 4.8V - 8.4V

Scope of delivery
* Motor completely assembled
* Electric ignition (small version, 6.0 -14.4V)
* Spark plug
* Silencer
* Instructions German/English, spare parts list and exploded view