Back

ASK THE EXPERTS

274

Servo speed will not be as critical for your sport model as it would be for a precision aerobat or a micro-heli. SERVO SELECTION This servo features metal gears and produces a whopping 50 oz.-in. of torque. Torque is the force that produces rotation. Q I am building my first ARF electric airplane. It is a low-wing sport model that uses a 400-size motor and will have a finished weight of about 20 ounces. The...

PARDON THE INTERRUPTION

You need to be a Model Airplane News Digital Member to see the full article
Already a Member?

Purchase Options

All-Access membership

Become an ace with the Model Airplane News ALL-ACCESS MEMBERSHIP! From loops and rolls to crosswind landings, our pro tips will make you the best RC pilot on the flightline. Model Airplane News covers the entire spectrum of RC aircraft, with reviews and how-tos on scale warbirds, 3D aerobats, jets, and more.

You May Also Enjoy Our Monthly Magazine Subscription

Feature Articles

Piper PA-15 Vagabond – This classic park flyer is a blast to build and fly

Maximum Control – The right way to install giant-scale servo arms and control linkages

Fab Five – The U.S. warbirds that won WW II

Engineering Masterpiece – Vintage model soars with a scratch-built diesel engine

Product Review Glider Throw V3 Standard

Sky High in the Sonoran – Four days of flying and fun at Arizona Warbirds & Classics

Go Full Circle! – A pilot’s guide to perfecting loops

Skylab II – The ultimate RC pilot’s transport and workshop on wheels

Apply Vinyl Stripes – Dealing with complex curves

HOBBY HACKS – August 2025

Inventor Spotlight – Steve Nussbaum’s ingenious stall warning system