CustomPC

OS have announced a 30cc 4-stroke similar to their 40cc model.

http://www.os-engines.co.jp/2014/140214/

They are saying it is comparable in power output to a 1.20-1.50 sized glow 4-stroke or 22cc Gas 2-stroke


[TABLE="width: 600, align: center"]
[TR]
[TD="width: 114, align: center"]行程体積
[/TD]
[TD="width: 141, align: center"]Displacement[/TD]
[TD="width: 172, align: center"]29.94cc[/TD]
[TD="width: 150, align: center"]1.827cu.in.[/TD]
[/TR]
[TR]
[TD="align: center"]ボア[/TD]
[TD="align: center"]Bore[/TD]
[TD="align: center"]38.0mm[/TD]
[TD="align: center"]1.496in.[/TD]
[/TR]
[TR]
[TD="align: center"]ストローク[/TD]
[TD="align: center"]Stroke[/TD]
[TD="align: center"]26.4mm[/TD]
[TD="align: center"]1.039in.[/TD]
[/TR]
[TR]
[TD="align: center"]実用回転数
[/TD]
[TD="align: center"]Practical r.p.m.Range[/TD]
[TD="align: center"]1,800-9,000r.p.m.[/TD]
[TD="align: center"]←[/TD]
[/TR]
[TR]
[TD="align: center"]出力[/TD]
[TD="align: center"]Output[/TD]
[TD="align: center"]2.8ps/9,000r.p.m.[/TD]
[TD="align: center"]2.76hp/9,000r.p.m.[/TD]
[/TR]
[TR]
[TD="align: center"]重量[/TD]
[TD="align: center"]Weight[/TD]
[TD="align: center"]990g(エンジン）
[/TD]
[TD="align: center"]34.92oz.（Engine)
[/TD]
[/TR]
[TR]
[TD="align: center"]
[/TD]
[TD="align: center"][/TD]
[TD="align: center"]113g(サイレンサー）
[/TD]
[TD="align: center"]3.99oz.(Silencer)
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD][/TD]
[TD]95g(イグナイター）
[/TD]
[TD]3.35oz.(Ignition module)
[/TD]
[/TR]
[/TABLE]


[TABLE="width: 450, align: center"]
[TR]
[TD="align: center"]推奨プロペラ
[/TD]
[TD="align: center"]推奨プロペラの回転数データ・・(参考値）[/TD]
[/TR]
[TR]
[TD="align: center"]16x10[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: center"]17x8[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: center"]17x10[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: center"]18x6W[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: center"]18x8[/TD]
[TD][/TD]
[/TR]
[/TABLE]

Mikola

the question is: why are they leaving walbro carbs ?
they don't get success with or they want more profit margin making their own carbs... time will tell.

Mike.

MTK

Nice. Weight is better than their 40 as one would expect. But I wonder if they reduced the bore to 2 cycle 30cc dimensions (and increased the stroke) would there have been any more weight savings available? Just a thought