Engines

The OS GT33 Gasoline Aircraft Engine is designed for experienced modelers with its broad power characteristics suitable for sport as well as acro flights. 

Enjoy Huge Power and Performance with the Compact 105HZ-R!
The OS Max 105HZ-R is the engine that precision aerobatic and 3D heli pilots have been waiting for! In order for 90-sized machines to nail huge maneuvers and hardcore, smackdown-style 3D it's all about power, and 105HZ-R have it in abundance. Displacement has been increased by 15%, while a huge venturi rams air into the carburetor, producing massive power. Plus, they fit in a .90-sized mounting pattern. 

The YS DZ70 4-stroke Engine is developed for serious aerobatics competition. It features a direct injected system and a convenient fuel pump adjustment. 

OS GT 15HZ's power is perfect for sport, 3D and scale pilots alike. But that’s only a part of what makes the GT15 super.

It also offers superb fuel economy, a pumped carb to deliver fuel dependably, the ease of the IG-05 Ignition module
and smooth running without constant adjustments. And since it’s about the same size as most .90 glow engines,
it’s an easy retrofit, too.

The high performance OS Speed 21XZ-B Spec II Engine now comes in a black anodized crankcase. It features DLC coated crankshaft with silicone filled intake passage for improved fuel flow. Its has a newly designed slide valve carburetor with three carb reducers that restrict airflow helping to increase the amount of torque produced. 

OS RP8 is a cold Glow Plug  that will outlast the hottest heats with turbo head engines. It is designed for engines such as OS Max .21 VZ-B V-Spec and most other .18 -.28 cu in (2.9-4.6cc) turbo head racing engines. 

The OS T-2080C Tuned Silencer Complete Set for the OS 21XZ and 21VG engines designed for 1/8 RC on road or car racing. 

OS Max 21XR-B is a 1/8 off-road engine with smooth acceleration and easy handling. The newly developed carburetor has polished up easiness of adjustment, that is distinctive characteristics of OS engines. 

OS Speed Tuned Silencer Complete Set T-2060SC (WNI) is the optional O.S. Max T-2060 WN Speed Tuned Pipe Set for the following OS engines: Max-21XZ-B, Speed-21XZ-B, Max-21VZ-B, Speed-21VZ-B, Max-21VG, Max-25XZ, Max-28XZ and Max-30VG

The OS Speed 12XZ Spec III is a high performance engine meeting IFMAR specifications produced by OS Speed Team technicians. Major parts such as cylinder and piston assembly, crankshaft and crankcase have been refined to a powerful potential equal to more expensive specially tuned or modified engines. Also, it employs an outer head that has many drilled holes for lighter weight and better cooling, and a ceramic rear ball bearing for lower friction.  

This OS Powerboost Pipe is designed for GT15HZ two stroke gasoline engine for helicopter. It helps stabilize power of the GT15HZ in achieving its best performance.  

The OS T-1070SC L52 silencer is tuned to match the OS 12XZ Speed Spec III engine. Package includes tuned pipe with header. 

OS GT 15HZ's power is perfect for sport, 3D and scale pilots alike. But that’s only a part of what makes the GT15 super.

It also offers superb fuel economy, a pumped carb to deliver fuel dependably, the ease of the IG-05 Ignition module
and smooth running without constant adjustments. And since it’s about the same size as most .90 glow engines,
it’s an easy retrofit, too.

The Secraft Anti-Vibration Damper (Soft) is designed for use with Secraft Ignition Bed v2. Package includes epoxy glass plates, damper set, aluminum standoffs (20mm) and M3 bolts. It weighs just 14g. Set requires self assembly.  

With the existing OS GT Series engines including GT55, GT33 and GT22,  a new larger size GT-60 is added to the line-up for aerobatic as well as big scale models. It features liner-less cylinder integrated with the cylinder head is employed for the first time at OS and a new OS ignition IG-02. This contributes to better cooling and light weight. It employs a reed valve/rear carburetor which has high performance that was proven in the GT33 and GT22. An efficient Pitts style E-6020 silencer is also included.

This 1000ml Secraft Fuel Tank allows modeler to use in both directions (Left or Right). Other sizes of bottle found in convenient stores can also be fitted with the same cap. 

These Secraft Fuel Line Clips (L) have an inside diameter of 1/8" (3.2mm) and outside diameter of 1/4"(6.4mm). Each pack includes 10 pcs. 

This 1000ml Secraft Fuel Tank allows modeler to use in both directions (Left or Right). Other sizes of bottle found in convenient stores can also be fitted with the same cap.