About T3 & T4 engines

Hello friends. Following engines are  made in Ukraine. Due to the Russian invasion of  Ukraine with murders of innocent civilians, the engines are not available by now. 

Parra Tigers are a improved version of  2.5cc (T3) and 3.2cc (T4) engines  used for vintage purposes  but with  more technical changes to obtain better performances. Sure that  new Parra T3 and T4 diesel engines will be one of better machines at the market.


NEW  PARRA T4 “Combat"

It can be used  for Vintage competitions in combat or racing by experienced sportsman with knowledge in diesel motors. This engine is legal for BMFA rules:

Parra T3: Barton Classic 15, British Good Year, Vintage Team Racing class A, Oliver tiger combat, Vintage Combat.

Parra T4: Vintage Combat, Vintage Team Racing class B, 

Here are some of technical features of this Vintage style engine:

* Tiger 3 “Combat"  = 153 gr. 

* Tiger 4 “Combat" = 165 gr.

* All meassures on metric

* Brass setting screw for avoid loose during flight.

* Steel Chromed cylinder and high quality piston. Fixed with a cylinder pin.


* For T3 “Combat"  two Special hight quality Swiss Ball Bearings; front 6x15x5 mm and rear 12x21x5 mm. Both with C4 axial play.

* For T4, “Combat” two special hight quality Swiss ball bearings;  front 6x15x5mm and rear 12x21x5 mm with C4 axial play.

 Prop driver with anti-snag of combat cord

* Ultra strong  and light weight quality balanced shaft, with chromed shaft-pin.

* High quality connecting rod with two bushing.


* 14,40 mm crankcase holes to adapt the engine at your combat or racing Vintage models with Oliver , Rothwell and other type of engines.

* Oversized crankcase reinforcement for improve strength

* Easy to dismanteling NVA assembly and ventury. Improve sealing and strength.

* Compact NVA for not break in case of collision.

* Easy to start and very powerfull.

* All spare parts available.

* And of course, with the best friendly service and direct technical assistance.


PISTON LAPPING TOOLS AVAILABLE FOR THIS ENGINE. Get more performances from your engine..!!



ots vs ringmaster T4

Parra T4 engine installed on Old Time Stunt models, using 10x5 propellers and 50 cc tank

ringmaster 3

Ringmaster original with Parra T4 and 10x5 Master Airscrew propeller. This hight torque and long stroke 3,2 cc engine  can move propellers designed for 5,5 - 6,5 cc engines.

classic FAI T3

Nice CLASSIC FAI team race (model built by Sion Burns), used in WCH. Australia 2016 moved by a fantastic Parra T3 engine with 7x6 propeller. Won Western Australia 2016 Championship.

classic FAI T3-2

Alberto Parra and Sion Burns during Australian Competition in 2016. Engine T3

© EXT2CL 2015