The Jetex motor was a type of solid-fuel rocket motor produced for use as a powerplant for model aircraft. Originally developed in 1947, by Wilmot, Mansour & Company Ltd of Southampton, it was first demonstrated to the modelling press in early 1948, and was available to the public in June 1948, when Aeromodeller magazine featured Jetex power on its front cover. The first motors were the Jetex 100 and 200, with the more powerful Jetex 350 following in November 1948. The most popular motor, the Jetex 50, was introduced in May 1949, along with kits for a model plane and model car using Jetex power.

Jetex motors were powered by a solid pellet of guanidine nitrate, which burnt to release a variety of gases in copious volume, leaving no solid residue or ash. Thrust developed was fairly modest, suitable for horizontally launched flying models rather than vertically launched rockets. The exhaust gas was not excessively hot, which conferred a safety advantage. Fuel and wick to ignite the pellets was manufactured by Imperial Chemical Industries (ICI). The engine casing was made of an aluminium alloy and was reusable, new fuel pellets and ignition wick being a consumable that could be bought and used in the engine.

Read here more: Jetex history.

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Jetex value and price guide

What's your 'Jetex' worth? Here are some recently sold items (USA):

Picture Title Date sold Price
Hobart Ground Power Unit 2 Gas Engine 28 07/2019 $4 800.00
Hobart Ground Power Unit 4 14 28 Dual 07/2019 $1 000.00
Swift Model Balsa Wood Airplane Kit 06/2019 $135.00
Douglas Skyrocket 1954 Sebel Products 05/2019 $125.00
Super Sabre Early 50s Flying Scale Model 05/2019 $125.00
See all sold items for more prices

Jetex forum (1 comment)

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Prn - May 18, 2019

ICO Satellite Model Scale 1:60 Made in india current price
►reply: Between 35-80 USD.