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matchUP Archive

Photo of OS MAX 55HZ-H against a gray background with light drop shadow

New engines

When it comes to propulsion for your model, you're going to need an engine and muffler. For most folks, this means a new engine, so let me share a few thoughts.

Close up of P6 snorkel assembly instal in a frame half to demonstrate placement

Protecting your investment

options - air filter

Finally, a common sense way to protect your engine against damaging airborne particles, dirt ingested during a chicken dance, and clutch liner dust.

Close up of polished alloy ProPipe AUD0055v3

Exhaust system

propulsion - exhaust

Your build requires an exhaust system. While the clear engine of choice is an OS 55HZ Hyper, their PowerBoost III muffler is pricey. We have a couple of alternatives.

Photo of an OS MAX GT15HZII, a gasoline ignition engine which burns gasoline and oil premix for installation within a set of Audacity Models Pantera P6 mechanics through using an Audacity Models BBC-kit plus muffler

Baby gasser

engines - baby gasser

Cheap gas/oil premix doesn’t offset heavy-ass Zenoah engines ripping a model to shreds on impact. A lightweight GT15HZII changes the calculus, we show you how!

Photo of an ASP91, a clone of an OS MAX FS91, installed within a set of Pantera P6 helicopter mechanics by using an Audacity Models BBC kit plus a fan hub, part number AUD0037

Four-strokes

engines - 4-strokes

Curious about four-stroke engines? Ready to experience a different type of torque delivery? Could be you're a prospect for a big thumper and their fascinating sound!

One of the best, the OS MAX 60L carburetor

Carb teardown

engines - carburetor

So the engine's running poorly, bolts are tight, bearings are good, tried fresh fuel, plus a new glow plug, but it still runs like crap? Time for some carb troubleshooting!

Photo of rear of engine with used bearings setting besides it

Engine repairs

engine - repairs

New engines are over $400, yet refurbing (usually an inexpensive set of bearings, plus maybe a new ring) is easy. We’ll show you how to R&R yours on the cheap!

Photo of hand holding a gnarly used OS MAX 50SH-H engine in need of a clean up and new bearings.

Used engines

Shocked we’d guide you to a used engine? Don’t be because there are plenty of deals out there and most used engines can be brought back with new bearings plus ring.