New to ProModeler servos?

As a bespoke producer of hand made servos,
our principal clients are defense and industry.
You're busy, and we know it, so take 2-minutes
to grok whether MIL-STDS matter to you, also.

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For modelers at the top of their game,
centering is the only thing that counts.
Control-loops rely on potentiometers
and unquestionably the best pot money
can by is this million-cycle Nobel 1Mc.
This genuine Japanese pot is at the
heart of our servos from mega to micro.

When your money doesn't grow on trees, the DL-series offers you a lot without torching your wallet. Considered standard size for their 40x20mm footprint, these range from $30 to $50 apiece. Rated from 90-360oz-in, it's hard to go wrong within your sport model, trainer, jet, or scale warbird. At home in UAS involving agricultural, right-of-way, and pipeline inspection, these servos are ideal for civilian hobbyists enjoying their aerial models for fun. Built to MIL-STDS, their long service life comes from using better parts. Parts like durable metal gears, aluminum cooling fins to better shed heat when working its hardest, and an iron core motor with the longest in-service design in history. This servo, an industry standard workhorse for good reason, reliably and precisely delivers you with hour after hour of solid service, confidence, and peace of mind. Includes top notch rubber mounting hardware, plus 4-horn and 6-horn 25-tooth mounting arms to get you started.

Rip Van Winkle, on returning to RC

30 years is a long time in the world of technology, and RC has been no exception in advancing at a rapid pace. This brief article endeavors to help bring you up to speed regarding what you've missed!

Outfitting a 30cc Ultra Stick with servos

A wide range of servos are suitable for this versatile model but getting the right one involves honestly evaluating yourself as a modeler to keep from farting away more than you should, or to be happy with your choice.

On using a gyro for rudder

If you've never flown a short coupled model equipped with a tail wheel, then it's quite likely you've never experienced the joy of taking off 90° to your initial heading. As pilots, we all know at some point take off includes a 'shoving the throttle forward' phase, and with the Pitts Special, a representation of the biplane popularized by designer Curtis Pitts, anything but perfect technique could mean a ground loop or a trip toward the weeds. Note; his 1943 design was considered revolutionary...

There comes a time when servos with BLS (brushless) motors make perfect sense - experience teaches you when.

10lbs of force, or 160oz-in, is enough to fly giant scale model - unheard of in mini-size servos - in coreless and BLS.

Regarding positive feedback oscillations

Large control surfaces are more flexible than you might believe and this means they can set up a positive feedback oscillation. There's an easy fix and we show you what to do about it!

Do I need servos like these just for bashing?

Many guys never learn the difference between price and value. In this brief look at two servos, one built to order for the lower end of the price scale, and the other built to the highest standard, you get the insider's perspective.

Is titanium the best for gears?

Companies play dirty in our view by hiring world class psychologists to play their customers with sharp advertising and the canny use of words. Words express;y designed to evince emotions that may not be in the modeler's own interest. Be careful and above all else, trust your eyes!

Will a Hobbywing Max6 run my servo?

The Hobywing Max6 is unquestionably one of the finest ESCs on the market, but can its 6A BEC circuit run your servo and deliver what you paid for?

Regarding props - heads up!

Props can cause horrendous injuries; a leather glove or electric starter aren't enough to eliminate he possibility of getting hurt - so don't fly alone, have a pal help you, and get behind the model with alacrity to mitigate risk.

On selecting battery packs

The right pack can make or break the experience so we show you three easy ways to go about doing it the way pros do; by chemistry and capacity!

On servo gear trains

Ever wondered how such a tiny motor can produce such huge amounts of torque? Like the transmission in a Ferrari launching it to to 200mph, with the servo it's down to the gear train.

About tail rotor servos

Tail Rotor Servos There are a class of servos, which we call tail rotor servos. Their pulse range...

BEC or dedicated pack?

Kindly review this material before proceeding. The case against synthetic voltage Bypassing the BEC...

Idle thoughts regarding chargers

Most charger-purchases are tactical decisions; what do I need right now? But a more strategic view may result in your deciding several inexpensive individual chargers deliver better redundancy and flexibility for charging/discharging several packs at a time. This may better suit you!

Low buck trick to stretch mask use

In the vein of a penny saved is a penny earned, this brief how-to shows you an easy way for making your mask serviceable for its intended duty after repeated use. Maybe it's a stretch to say it results in a free mask, but it's effectively true!

On the value of double-filtration

Watching some rat bastard politician on TV was the first we noticed someone wearing two filters. One with their party's logo worn over a serious N95 led us to think; 'If it's good enough for them...'

Are you playin' checkers or chess?

Selecting servos can be confusing and most guys get snookered by expensive advertising campaigns and sponsored pilots who say what they're told to. How can you figure it out for yourself? We show you how!

How to use an HV-servo with a 6V-radio

A low-buck approach for how to use a HV servo with a 6V-radio system. Best part? It applies to an X-MAXX, TRX4 or pretty much 'any' vehicle (of any brand) relying on a 6V BEC-circuit to operate the steering servo!