Polini Thor 130
The Thor models share a common design. The info below is mostly unique for the 130. Please see the Thor all models section for info that is not found here. The Top 80 section has detailed info on things like the Walbro carburetor function and tune up which is used by all Miniplane and Polini engines). There are also various troubleshooting issues that are addressed.
Carburetor – Walbro WG-8 information, adjustment, & repair Main jet is a #130.
Choke – What does it do? Why have it?
Cylinder head, temperature, maximum – 230°C and 250°C maximum running temperature, never exceed 265°C/280°C but only for a few seconds.
Flash starter – The Polini Thor manual starter is an engineering disaster. Here is a permanent fix.
Fuel consumption, performance tuned – 1.6L/hr. (0.42 gal/hr.) Range is approx. 7.5 hours for 12 liters of fuel. Inexpensive and reflex gliders, wooden propellers, heavy pilots, and un-tuned engines will burn considerably more.
Parts diagram Thor 130 – Note Polini updates these lists frequently so this diagram may not be 100% accurate.
Spark plug NGK BR10EG gap 0.9mm (0.035") Note: this is a resistor type spark plug that has a welded terminal which cannot be removed. NO THREADLOCK IS REQUIRED. Pilots may also use the B10EG/ES or the B9EG/ES. Use of a non-resistor plug may increase the amount of noise created by the ignition that is picked up by a two-way radio.
Specifications – What is not here can be found in the "User & Maintenance Manual" below.
Starting – Start your engine the first pull, every time.
Weight – 24.5 kg (54 lb) all up weight at take-off minus fuel