Thunder Tiger R/C GP-42 Aero Engine

Brand: Thunder Tiger

Model Number: TT9041

14% offWas $87.49Now $74.99Save $12.50Excl VAT: $62.49* Prices in US Dollar

The Thunder Tiger GP-42 Aero Engine is designed to combine high performance with easy handling and maintenance using CAD computer technology. Major components of the engine are machined from the highest quality materials using state-of-the-art CNC manufacturing techniques, resulting in consistent-high quality and reliability.

The GP-42 engine is equipped with maintenance-free bronze bushings, Schnuerle porting, a special ABN type piston and cylinder sleeve, an easily adjusted air bleed carburetor, and a safe angular needle valve. The GP-42 engine has been specifically-designed to suit both beginners and experienced modelers.


  • Displacement: 6.9cc
  • Output: 1.1bhp / 14000rpm
  • Bore: 21.5mm
  • Stroke: 19mm
  • Practical RPM: 2000 ~ 15000
  • Weight: 357g


  • Designed for sport airplane use
  • One-piece crankcase structure
  • Bronze bushing support for easier maintenance
  • Air bleed carburetor design for easier adjustments
  • Aluminum piston with Nickel-plated brass cylinder liner
  • Swept back needle valve for added safety during adjustment
  • Side exhaust
  • 3-chamber muffler included


  • GP-42 Aero Engine
  • Muffler Assembly
  • Carburetor Assembly
  • Instruction Manual

Manufacturer: Thunder Tiger
Model: TT9041 GP-42 Aero Engine

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Wonderland Models deliver throughout the UK and Overseas. We endeavour to despatch orders immediately but certainly within 48 hours of receipt. Orders will only be dispatched once payment has been received. 

UK Delivery:
Order value (including postage) up to £70: First Class Royal Mail £3.95
(Delivery Within 1-5 Days)
Order value (including postage) over £70: Interlink Express £6.95 (Courier Delivery Next Working Day).

Please be sure to give us your mobile phone number when ordering as Interlink Express offer an email/text message option to enable you to receive notification of despatch and estimated delivery time. The express service requires a signature on delivery and must be ordered before 2pm for next working day delivery. The courier does not deliver on a weekend or bank holidays.
Express delivery is two days to some postcodes, and these incur a £6 surcharge. A list of applicable postcodes can be seen here.

Overseas Delivery:

European deliveries are sent by Interlink Express/DPD. For details of delivery costs and times by country please click here.

Delivery to Australia, New Zealand, Canada, Japan and the USA is by Royal Mail or FedEx courier and is calculated on an order by order basis based on weight and size. We will contact you with the shipping costs on receipt of the order.

For full shipping details please see the delivery section of our website here.