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Stalker Engines---General Information

Stalker engines are manufactured in Ukraine. All are ABC, baffle piston control line stunt engines, which operate in a classic 4-2-4 run style. They are moderate in weight. All are equipped with ratchet type needle valves which are quite insensitive, allowing very accurate settings. Virtually no break-in is needed to ready them for flight. They are not high RPM pipe engines-they're designed to operate in 8 to 9 thousand RPM range, with appropriate propellers, of 5to 6 inch pitch.

Unfortunately, Stalker engines are not a direct bolt-in replacement for other brands. The bolt pattern is similar, but crankshaft length is a bit longer than others.

Fuel consumption is quite moderate, often less than other engines of similar size.

It is assumed that the purchaser of a Stalker engines has some previous experience with control line aerobatics engines, therefore only limited information is given below:

Fuel: All synthetic oil fuel is recommended, in nitro content consistent with power needs for various conditions. Oil content should be 18 to 20%. Sig Four-Stroke fuel is recommended. Other similar brands may be satisfactory. Do not use fuels with all castor content.

Glow Plug: The Sig R/C glow plug is recommended. Others may be OK, but if in doubt use the Sig plug.

Propellers: wood props in appropriate size are recommended---.40's should run 10" to 11" diameter--- .46 to .51, 11" to 12"---.60 to .66, 12" to 13"----.76 & .82 13" to 15" diameter---­There is no one perfect prop, you'll have to experiment for the best in your application.

Fuel tanks: Plastic or metal tanks are OK. Mount C/L of tank in line with C/L of needle assembly. On profile models, side exhaust engines should mount the C/L of tank about 1/4" above C/L of engine. On rear exhaust engines side mounted, tank should be mounted centered on the C/L of the engine.

Mufflers: Supplied mufflers are multi-chambered for efficient sound suppression. Tongue mufflers can be used on side exhaust engines, but are not manufactured by Stalker. Rear exhaust mufflers should be supported with a tuned pipe type mount in the fuselage. Allow air to exit cowl via a hole roughly the size of the muffler on rear exhaust engines.

Head shims: The engines are supplied with three .007" head shims installed. Extras also come with the engine. In many cases you'll find the engine to operate best with 5 or more shims if running 10% nitro (or more) or in cold weather.

Repairs: It is recommended you return the engine for any needed repairs. Repair cost will be the cost of parts plus return shipping-no labor charge.

Enjoy your Stalker engine, and always operate it in a safe, common sense manner, consistent with AMA safety code.

Tom Dixon
Controline Sales L.L.C.
315 Santa Anita Ave
Woodstock, Ga. 30189

Stalker Stunt Engines

All Stalker engines are ABC, baffle piston, ball bearing designs built specifically for control line precision aerobatics. The rear exhaust (RE) engines allow the furnished muffler to be hidden in the fuselage. Side exhaust (SE) engines have traditional bolt-on lightweight tube-type mufflers. Stalker engines sold by me are equipped with Sig R/C glow plugs and SAE size prop nut. All Stalker engines have 1/4" x 28 threads on crankshaft. Available engines are listed below. I may not have all in stock at a given point, as I must "bundle" orders from Ukraine for efficient shipping and payment purposes, but delivery is very prompt.

Stalker 40 SE $281.00
Stalker 40 RE $281.00
Stalker 46 SE $281.00
Stalker 51 RE $304.00
Stalker 61 RE LT $332.00
Stalker 61 RE longstroke $332.00
Stalker 66 RE $378.00
Stalker 76 RE $458.00
Stalker 76 SE $458.00
Stalker 81 RE $458.00

Prices are subject to change due to currency fluctuations and varying shipping costs to get the engines to USA. Exact price verified at time of your order.


Modifications Of Your Engine

I am still providing re-work services on OS-FP and LA engines supplies by customers. (Some other engines can also be re-worked.)  My modifications allow the engine to run in a traditional 4-2-4 manner at lower RPM, allowing use of 5" or 6" pitch propellers.  Most people find this type of run to be more pleasant, more "traditional", and there is no need for special carbon fiber low-pitch propellers.  Most wood propellers on the market will work just fine.

     The FP-LA re-work consists of:

          Re-Time sleeve
          Correct-size Venturi
          Double Star needle valve unit
          SIG R/C glow plug
          Double Star tongue muffler
          Test run
          Return shipping in the U.S. and Canada

Total Price $80.00 per engine

Send the engine, Priority Mail, to:

Tom Dixon
Controline Sales L.L.C.
315 Santa Anita Ave
Woodstock, Ga. 30189

Payment can be made by cash, check or money order.

The re-worked FPs and LAs work especially well on profile models.

All OS-FP or LA engines, from .25 to .46, can be re-worked. (The LA 60 is too heavy to be useful.)

Turn-around time is usually within five days from the time I receive the engine.

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