120AX Special from O.S. Engines The 120AX Special has the same mounting dimensions as the original, but delivers
nearly 10% more power. For starters, the crankshaft port timing has been modified to increase power at high rpm. The velocity stack on the carb adds acceleration at high rpm while a 0.1mm head gasket increases compression ratio for more power. Pair the 120AX Special with an O.S. E-5020 muffler. Check out the difference in rpm using an APC 15-10 propeller: 120AX Special: 9,532 Standard 120AX: 9,260
SPECIFICATIONS: Displacement: 1.218 cu in (19.96 cc) Bore: 1.197 in (30.4 mm) Stroke: 1.083 in (27.5 mm) Practical rpm range: 1,800-9,500 Output: 3.2 PS (3.155 HP) @ 9,500 rpm
The O.S. 120AX Special Ringed Engine (OSMG0652) has a street price of $329.99.
O.S. ENGINES, distributed by Great Planes, P.O. Box 9021, Champaign, IL 61826, 217-398-3630,
www.osengines.com
New Design from Wendell Hostetler’s Plans Wendell Hostetler’s Plans announces the release of their new design for the
Howard DGA-6 “Mr. Mulligan”. The plans come on two 42″× 96″ well-detailed sheets, pictorial illustrations and a bill of material. All accessories are available from other sources. The cost is $48.50 plus $8.50 postage USA and $13.00 overseas. SPECIFICATIONS: Scale: 26% Span: 98.8 inches Length: 78.26 inches Wing area: 1544 square inches Weight: 22 to 26 pounds Power: 45 to 100cc engine
WENDELL HOSTETLER’S PLANS, 545 Jerome Drive, Orrville, OH 44667, 330-682-8896,
www.hostetlersplans.com
★ ★ ★ ★
★ ★ ★ ★
★ ★ ★
FLYING MODELS TM
CLEVELAND MODEL & SUPPLY CO. MODEL ENGINEERS SINCE 1919
www.clevelandairline.com
PO Box 55962FM Indianapolis, IN 46205-0962 Phone: (317)257-7878 Fax: (317)257-7877
Electric Pilots and step away from the plane.
www.parkflyerplastics.com Put down the plastic spoons
Has cooling scoops made for your model.
3 types Naca, High volume and low profile.
Formed in several sizes for a total of 17 scoops.
BRODAK The largest supplier of control-line airplanes
Mfg. & Dist. Co., Inc. LEAD
BALANCING WEIGHTS
1/4 oz. Weights pkg. of 6 BH-770 - 3.29
1/2 oz. Weights pkg. of 4 BH-771 - 3.99
Each weight is drilled with 1/8” hole for easy mounting.
Also available Catalog #18 Send $7.95 to: Brodak
100 Park Avenue • Carmichaels, PA 15320
Phone: 724-966-2726
www.brodak.com
www.brodak.com
• Choose From Over 1100 Plans – Over 100 Aircraft
Manufacturers Represented
– Five Aviation Eras Spanned – Seven Scales Available
Illustrated Catalog $8 (U.S. only) ($10 Foreign)
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