Author Posts

Inverted issues

May 22, 2011 4 Comments

Clarence,     I have a OS BGX-1 mounted inverted in a one-fifth scale Pica P-40. I am using a J-Tec muffler.This engine is very hard to start. I usually have to turn the plane over, place in a cradle, then it starts, by hand, easily. I then shut it down, put the plane back on its [...]

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Coleman fuel

May 16, 2011 No Comments

I tried Colman fuel on my Fuji BT-32B and my Zenoah G62 with C & H Electronic Ignition. Both engines ran fine with the Colman fuel and Evolution Synthetic oil mixed 35:1. I have on the BT-32B a relay kill switch that shorts the magneto and on the Zenoah G62 I have a electronic kill [...]

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4-Stroke: to vent or not to vent?

May 09, 2011 No Comments

I am a long time reader of your column, first time writer. I have learned a lot from your column, and I appreciate the service you provide with your engine wisdom.  I have been running four stroke model engines since my first OS FS 40 in about 1983. I have always “vented” the crankcase out [...]

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A View from the Table

May 07, 2011 1 Comment

As many of you know, I help out the annual Top Gun Scale Invitational in my duties as the Craftsmanship Judge. I have a unique point of view and get to see “all” the Expert, Team and Masters planes up close and personal! I can tell you that this year’s crop of aircraft was the highest quality yet. [...]

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Why replace cam bearings?

May 05, 2011 1 Comment

I want to replace the cam bearings in my OS 120 4-stroke engine.  I have replaced the crank shaft bearings but can’t get the cam bearings out.  Your help would be appreciated. Thanks, Greg Dear Greg, Unless it is absolutely necessary I would recommend leaving the cam bearings alone. If you do want to go [...]

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2011 Canadian FAI F3A Precision Aerobatic Team–An interview with Team Manager Dave Reaville

Apr 26, 2011 1 Comment

By: Ken Park On July 23rd through August 1st, 2011 Dave and his team will be going to the FAI F3A Precision Aerobatics Championship that will be held at the AMA National Flying Site in Muncie, Indiana. I had a chance to catch up with Dave for a little chat regarding the Canadian team. Dave [...]

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Small aerobat, big performer! E-flite Sbach 342

Apr 25, 2011 No Comments

This sure doesn’t look like a micro flyer, but it only has a 17-inch wingspan! Welcome to the new breed of all-out micro unlimited aerobats. The UMX Sbach 342 from E-flite has the performance of a much bigger model with the convenience of a fly (nearly!) anytime, anywhere park flyer. It’s equipped with a 180BL outrunner [...]

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Seabee build-along

Apr 25, 2011 No Comments

G&P Sales Republic Seabee Build-along by Klaus Ronge The somewhat odd looking Republic Seabee has always been one of my favorite aircraft. The four-passenger Seabee, built by the Republic Aircraft Corp, was introduced after WWII and became known as a 90 knot plane. It took off, cruised and landed at 90 knots and was considered [...]

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