Thunder Tiger R/C Four Stroke F91 Aero Engine

Brand: Thunder Tiger

Model Number: TT9804

Now $247.99Excl VAT: $206.66* Prices in US Dollar

The Thunder Tiger Four Stroke F91 Aero Engine is manufactured by automated computer-controlled machinery, resulting in a product that looks and performs better. Special camshaft and oversize valves combine to improve performance and easy handling. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field. Perfect for the pilot looking for the authentic aircraft sound.

The Thunder Tiger F-91 powerhouse engine is the perfect choice to enjoy the advantages of four-stroke performance; the ability to swing a large prop, increased torque, reduced noise and much improved fuel economy.

The F-91 features a twin needle updraft carburetor, black anodized cylinder head, oversized valves, and combines a high performance silencer to deliver the best power-to-weight ratio and awesome torque.


  • Displacement: 14.97cc
  • Output: 1.6bhp / 11000rpm
  • Bore: 28.3mm
  • Stroke: 23.8mm
  • Practcal RPM: 2000 ~ 12000
  • 742g


  • Black cylinder head
  • Crankshaft with Ni plating to further reduce corrosion
  • XC2 (extreme composite coating) cylinder liner with special criss-cross pattern etched
  • Lightened hypereutectic machined Al-Si ringed piston
  • High-strength connecting rod with bushings pre-installed
  • Dual ball bearing supported crankshaft
  • Rubber-sealed rear bearing to further reduce corrosion
  • Plain bearing supported camshaft
  • Fine polishing rocker cover
  • State-of-the art CNC machined components
  • Smooth manifold
  • Rear-mounted updraft and reversible carburetor


  • F91 Aero Engine
  • Carburetor Assembly
  • Muffler Assembly
  • Redline Glow Plug
  • Manual
Manufacturer: Thunder Tiger
Model: TT9804 Four Stroke F91 Aero Engine

Write a review


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.