Back to Glow Index Note that while OS lists them as ABC, they are actually ABN. I ran some OS FSR's many years ago. Also the old Max.25 will be lighter than the ballraced .25 so you need the motor further forward or lots of lead.
Now if the engine is new, you can run some 23% to 25% oil content glow fuel for breaking in the engine. That part and ordering a new ring from Frank Bowman (ring broke during an earlier disassembly) puts me back in business. OS show the old Max25 as .4hp while they show the FSR as .7hp. Watch. Very nice engine. 25 FSR (1977), legendary part of O.S. And the idle, Wow, so smooth. OS 25 FSR C/L ENGINE WITH TONGUE MUFF EXCELLENT # 504. o.s. You are OK if you use a glow fuel with at least 18% oil content and at least some castor oil in it. Control Line Needle Valves, LOT! A very nice, lightly used OS 25 FSR in very nice condition complete with silencer, ready to use. $9.75 shipping. Watch.
The 60 is brand new, never been run.
These engines are double ball bearing, schneule ported. O.S. One stop shop for all things from your favorite brandShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Make an Offer{"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}} OS MAX FP 40 - AIRPLANE ENGINE - Excellent Con - Without Muffler - VintageControl Line Needle Valves, LOT!
That works good. $7.75 shipping. I run alot of OS FSR's, a trick I have learnt to save the engine and muffler in a crash is:-cut a slot in the muffler bolt to slightly weaken it with a cutoff wheel near the head of the bolt. Model Engine Tests. engines（小川精機）オフィシャル・サイト。ラジコン用エンジン、パーツ&アクセサリ、live steam locomotiveなどの製品情報、o.s.field（レース・イベントなど）の情報を掲載。web上からのカタログ請 … The owner's manual states to use fuel with 23% castor oil, which was pretty standard back in those days. o.s.
The older guys at the club comment on how good the FSR's were. I agree, the FSR engines are a great engine, all of mine are ringed, I break them in with 25% oil then run them on 15% nitro 18% syn/castor fuel.
The other 45 is not. It was a great running engine and very powerful. The 60 and one 45 is ringed. NVA, NIB, Quality up-grade from OEM. I have had them for over 25 years and they have gotten much use in those years (except the .25 which is still NIB, never found the right plane for it).
- VINTAGE COX 049 MODEL AIRCRAFT REMOTE CONTROL MOTOR ENGINE ESTATE LOT They are definitely great engines. history, shown with muffler In 1976, OS pioneered the field of modern four-stroke glow plug ignition model engines with the "FS-60" 10 cm 3 displacement exposed valve gear engine, and has been one of the top producers of four-stroke glow-plug-ignition model engines worldwide ever since. The front housing broke where the carb attaches way back when. Note that while OS lists them as ABC, they are actually ABN.
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or Best Offer. Underpowering a model is a recipe for disaster! OS 25 FSR Back to Diesel Index. parts we have been operating since 1985 and have a huge inventory of new old stock parts for brands like tamiya hpi kyosho mugen great vigor hunter os e So this motor is about half the power that Peter normally uses in .25 design! $7.00 shipping. NVA, NIB, Quality up-grade from OEM.VINTAGE COX 049 MODEL AIRCRAFT REMOTE CONTROL MOTOR ENGINE ESTATE LOTSlide {current_page} of {total_pages} - You May Also Like - OS MAX FP 40 - AIRPLANE ENGINE - Excellent Con - Without Muffler - Vintage - Control Line Needle Valves, LOT! 23% oil tends to be somewhat of a overkill for the engines.
All of the parts sat in the original engine box until earlier this year when I found the part I needed as NOS in a LHS!
One of the 45s I had purchased brand new in 1984. 14 watching.
NVA, NIB, Quality up-grade from OEM. My 25FSR powered wing, 900mm WS.
That's even if it were in new condition. $86.00. I have two of the 45 size and one of the 60 size. Thanks for all of the feedback! The FSR's I have are a .60 (ringed), .61 ABC, .45 ABC, .40 ABC, and a .25. The FSR's I have are a .60 (ringed), .61 ABC, .45 ABC, .40 ABC, and a .25. $89.00. OS 46 FXi R/C ENGINE USED COMPLETE WITH MUFFLER (EXCELLENT) # 202.
I have had them for over 25 years and they have gotten much use in those years (except the .25 which is still NIB, never found the right plane for it
I recently came into possession of several of the FSR two stroke engines, vintage mid 1980s. I think it has a lot to do with the mass of the crankshaft. It's a real performer. $89.00. But I think I was running primarily Fox fuels at the time and those were all castor oil fuels with 20% oil content.