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O.S.


RC Airplane Engines: Break-in and Tuning

RC Airplane Engines: Break-in and Tuning

To get the most out of any RC airplane, you have to break in your engine, and pick the correct propeller for the plane’s intended use. For my fun fly Florio Flyer 60, I installed an O.S. 75AX for a little extra umphhh!  To fine tune my propeller selection I used an accurate digital tachometer to […]
O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines

O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines

From O.S. Engine: Great news for pilots of 40-size or 60-size planes: O.S. has upgraded two popular power plants, making them even better than before! The FSa-56II and FSa-72II both feature O.S. 4-stroke technology that has revolutionized the model airplane engine industry. Among the advantages of these 4-strokes are more performance potential for sport flyers […]
Pearl Harbor MAN 600x120
Pro Tips to Clean your 2-Stroke Engine

Pro Tips to Clean your 2-Stroke Engine

Weather too windy or rainy to fly this weekend? Use your downtime to make the upcoming flying season more successful! This classic how-to from the engine master Dave Gierke details all the steps to cleaning your nitro engine. During a recent flying session, your engine let you down big time: it flamed out during a hovering maneuver […]
O.S. Engine Limited Edition Gold 105HZ-R Heli Engine

O.S. Engine Limited Edition Gold 105HZ-R Heli Engine

From O.S. Engine: Limited Edition – Only 200 in the world! O.S. Engines truly are the gold-standard for RC models and we’re proving it with this special, 80th anniversary, gold edition engine! This special, super-limited edition 105HZ-R brings you the same 3D power as the original but with a super-sleek gold-anodized carb stack and cylinder […]
PhotoDrone 600x120
O.S. Engine 5825-520 Brushless 700-800 Heli Motor

O.S. Engine 5825-520 Brushless 700-800 Heli Motor

From O.S. Engine: There’s no better choice than the 5825-520 Brushless 700-800 Heli Motor for extreme 3D flight. It’s the perfect match for pilots looking for pure power and precision to pull off advanced aerobatics. In addition to superior performance, this hand-wound, high-inductance motor features a samarium-cobalt magnet for the perfect balance of consumption and […]
O.S. Engine Brushless Heli Motors

O.S. Engine Brushless Heli Motors

O.S. continues their line of best-selling heli motors with this latest model designed for 700-800 size helis. Ideal for FAI F3C competition, it features a newly developed stator which minimizes heat generation for an optimum balance of power output and consumption. Pair it with 12S LiPo power for the ultimate performance boost! Features: Precision-engineered for […]
O.S. Engines GGT10 10cc

O.S. Engines GGT10 10cc

For aeromodelers wanting the convenience of gasoline power for their .40-size airplane, O.S. offers the GGT10. Glow plug ignition makes this engine easier to start — along with reducing overall weight by eliminating the ignition module. It performs well using affordable unleaded gasoline, and the PD-08 pump regulates fuel flow for consistent delivery throughout the […]
The First Top Gun Scale Invitational

The First Top Gun Scale Invitational

It was in the August 1989 issue of MAN that our readers were introduced to what was to become one of the greatest RC scale airplane competitions in the world. The brainchild of Frank Tiano, Top Gun the event has redefined the hobby and sport of scale competition. it pushed the standards of excellence for […]
Top 10 RC Airplane Posts: Year in Review

Top 10 RC Airplane Posts: Year in Review

It’s time for the top posts of the year! Here, in descending order, are the top stories from 2014, according to number of views each had. Missed one? Just click on the photo or title to go to the original post.  And as we send the last newsletter of 2014, we want to thank the […]
O.S. Engine $40 Merchandise Certificate With Qualifiying Purchase: Now Through 2/28/15

O.S. Engine $40 Merchandise Certificate With Qualifiying Purchase: Now Through 2/28/15

Gasoline engines offer many advantages for R/C pilots, including scale sound, superior performance and excellent fuel economy. Add to that a great rebate program, and you have every reason to go with gasoline power…but you’ll want to act fast! From now through February 28, 2015, when you buy any select O.S. gasoline engine you’ll receive […]
12-Engine Flying Boat!

12-Engine Flying Boat!

A true scratch-built project, this 1/10-scale Dornier DO X1a was designed, built and piloted by Michael Bräuer. This impressive built-up plane has a 16-foot wingspan and weighs in at 132 pounds, and it’s powered by twelve (12!) O.S. .62 4-strokes. Michael notes that he spent one year building this giant plane and that it has Futaba […]
Throw Back Thursday — Henry Haffke — Howard Ike Racer

Throw Back Thursday — Henry Haffke — Howard Ike Racer

It’s hard to believe that Henry Haffke, has been a contributor for more that 40 years. One of his more popular “non Gee Bee” designs was his .40 size Howard “Ike”–Miss Chevrolet racers. We dusted off an old folder in the “Construction Article” cabinet and here’s some great photos.   (Above) Henry Haffke’s.40-size Howard Ike […]
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