bestPRACTICE

Close up of a ProModeler throttle servo mounted as far from the engine as possible within an engine nacell whilst using a Sullivan Gold-N-Rod to complete the linkage thusprotecting against excessive engine vibration

Accounting for engine vibration

Throttle servo issues

Modelers often agonize for months over getting a model and mull over things like engine, retracts, control surface servos, but then give short shrift to the throttle servo.

Close up of servo installed in helicopter sideframe for in-flight mixture adjustment

Options - mixture servo

On-the-fly fuel mix

At last, servo controlled fuel-mixture adjustments! Fine tuning in flight, whilst hearing your engine going rich or lean under load? Now that's a game changer!

Close up of the internals of a ProModeler DS635BLHV shows the bronze inserts within the aluminum case as reinforcement

avionics - selection

Servo selection

Hobby grade servos good enough? Consideration for these servo packages goes beyond weight, torque, speed, and price, so don't waste your time with this.

Closeup of a 2-cell ProModeler 2600mAh lithium ion battery pack

avionics - batteries

2S flight packs

2-cell lithium batteries power most models. Do you rely on cells comprised of plastic bags to save weight, or rugged steel shells? Choose wisely!

Avionics - receivers

RF systems

When it comes to RF systems, guess what? We don't have 'religion' regarding brands (and helis don't care) but we do have a few thoughts.