O.S. Engine OSMG2713 - #7 Medium Hot Glow Plug for 2-Stroke Aircraft and Cars  [OSMG2713]

O.S. Engine - Glow Plug #7 Medium Hot
Price:
£5.52
Brand:
O.S. Engine
Model:
OSMG2713
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Refine Hover and Low-RPM Running with O.S. Engine OSMG2713 - #7

The O.S. Engine OSMG2713 - #7 Medium Hot Glow Plug is intended to improve the operating character of 2-stroke engines at lower revs. It maintains a slightly hotter heat band than the O.S. #8, resulting in better throttle response and steadier behaviour when holding hover RPM. The design is focused on helicopter requirements where smooth idle and responsive transitions are important for 3D and F3C flying. It also suits many 2-stroke aeroplane and car engines but is not recommended for turbo head configurations.

Is O.S. Engine OSMG2713 - #7 the right choice for competition helis?

Many pilots select the #7 for competitive flying because its medium hot range helps keep a steady hover and predictable low-speed response, but final choice depends on your engine and fuel mix.

Will switching to the #7 affect warm engine behaviour?

You may notice smoother warm-up and more consistent idle as the #7's hotter range stabilises combustion at lower revs compared with cooler plugs.

Can I use this plug across different 2-stroke applications?

Yes, it is versatile for many aeroplane and car 2-stroke engines, provided the engine is not a turbo head design which requires a different plug type.

Any maintenance tips for best performance?

Keep the plug clean and replace if electrodes wear or performance drops; regular checks of needle settings and ignition condition will preserve the intended low-speed response.

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