OS 40 FP First Run

I run this iconic ebngine for the first time. 11x5 Zinger prop, OS #8 plug, 5% castor/syn fuel
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[@calvinharned6421]

A reminder of the good era engines.

[@ytdhable]

Also my first engine; on a Great Planes PT-40. First run would have been June 1995. Wish I still had it if only for nostalgia's sake. 😊

[@ringofthebrave]

These are "fly it with the first tank" engines. Good to see that it was first run by someone who know how to treat it right.

[@AmpAbuser]

Gen II ABN 40 FP - Top Flite Power Point 11x4 @ 12,435 rpm / 6.54 lb. thrust, .81hp - left rich 1st run / 47 mph prop pitch speed 15% nitro / 18% oil blend

[@toralfcross3819]

The 40FP lapped steel sleeve was my first engine as well. Mine was inherited by a friend after he passed away but still interesting how so many other people had this as a first engine.

[@toralfcross3819]

Since my first engine I have collected a FP 40 ABN and a couple lapped steel 25s and a lapped 20. All of them are very nice running engines. I plan on trying the carburetor from the 25 F SR that is twin needle.

[@peterr.7429]

Thank you, a very nice engine indeed, still have one and they just run perfectly. Great video

[@keithgoode9726]

Good Stuff! Thanks again David.

[@bernieblackburn3034]

Thats amazing thankyou so much ! You do killer work! Cheers

[@eagletousey4603]

Nice little engine Dave very well done❤🦅

[@michaelfergusonsr.8574]

Hello David I am a big fan of your channel for a long time. Unfortunately I don't have any FP 40 engines but I do have 2 LA 40's 1 on my Kadet lt 40. And another in a Kavalier that I built. And they have been flawless for me my Kadet I have been flying since 2017 and still runs Great.

[@SomeGuyInSandy]

Super smooth!

[@JamesRCPlaneTech]

Like many, the FP was the engine we learned on and ran in our youth. Im currently running an FP 10 on a House of Balsa Chipmunk and an FP 25 on an RPM ( OK Pilot) Barn Stormer. Some people give them a bad rap, but I disagree, these are great engines. Luckily they can still be found on ebay for reasonable prices. They are good little workhorses. Thanks, great video!

[@Astro49flyer]

Yes Dave they are great engines! I have two of them one on and Aerostar 40 and one that has never been run.

[@daszieher]

I still have mine. Bought in Orlando, FL back in 1986. It flew in several models, a Great Planes PT-40 amongst them and even survived two major crashes, on one occasion the firewall ended up level with the ground. Took me a minute to realise the engine was ynder ground 😂

[@DBJr1980]

Definitely top notch OS quality.

[@mikeeiben3430]

The most important thing for a beginner is that it keeps running.

[@weofnjieofing]

Stunning engine fir its time. Super quality in casting and reliability. The idle will come to you as you lean out the high speed to peak power as this invariably affect the low speed mixture. Then some fine tuning of the air screw and she’ll be a snappy engine. Agre the LA series are ugly and cheap looking and tgat all blue paint has no place on a glow engine. Would love to se a full power run once she’s fully broken in. Great video and thank you Dave for sowing off this little gem!

[@mr1bienvenu1]

I've had at least 8 of those 40FP and a few .25 FP engines and all were super reliable .

[@johnhess351]

FWIW, I just read an old timer priming tip for one flip starts is to only finger choke the carb on upstrokes and let finger off after going past top of stroke. The idea being the choked downstroke pushes the fuel back up the line.

[@johnsgarage6622]

I have allot of use with the 60FP with an Ultra Sport, very reliable great engine

[@adammegandavis]

Agree David, the FP series was levels above the LA series. Though from what I have read the LA series was popular with the control line fliers.

[@Caninaracingatodovapor]

love

[@stevelhamon2031]

Great video, where did you get the tank mount?

[@kadenhunt1462]

sweet

[@jmaclaren4147]

The liner is flash nickel plated engine. break in is easy as you presented.

[@williamcrane8236]

9x5, no muffler, choke till it pops, fire up lean it out click back 60 seconds and pull the fuel. Let it cook completely overnight. Repeat. Switch to flying prop 11x4,10x5 install muffler. Start and adjust to running slightly rich. Go fly and break in the engine the rest of the way.

[@dmrcflyr2]

Odd. I don’t recall asking for any advice running my umpteenth FP engine.

[@bernieblackburn3034]

Hi thanks for the excellent video please keep making more .. my question is what is the difference between the FP and the FS 40 engines of this vintage? Also the SR 60 .. thanks

[@dmrcflyr2]

An FS engines are four strokes. The 40FP is a two stroke engine.

[@bernieblackburn3034]

@@dmrcflyr2 im sorry I posted incorrectly the engine is a SF 40

[@dmrcflyr2]

@@bernieblackburn3034 unfortunately I really don’t have the time to explain this to you. Search my channel for Quick Look or look inside videos for these engines. I usually always talk about the history of them. kzbin.info/www/bejne/pGncepWQiqyWeLMsi=YJ35SdbLDaehMV6O OS Icon 40FP kzbin.info/www/bejne/bGTRd3uuotKrbLM

[@Hornet135]

@@bernieblackburn3034 The .40 SF is a dual ball bearing engine, the precursor to the FX series I believe. The FP engines have bronze bushings and don’t have the raw performance of the SF and FX series, but are a good bit lighter.

[@alexandresousa2112]

Hello David, love to see your videos !! Just a question please, is there ani idle screw on a LEO .52 glow engine? Thank you

[@dmrcflyr2]

I have no idea. I don’t have an image of one nor have I seen one.

[@alexandresousa2112]

@@dmrcflyr2 can i sent you and email with some photos?

[@dmrcflyr2]

@@alexandresousa2112 How about watching these and see if they can answer your questions. kzbin.info/www/bejne/nZeaqKd4lrOJjpY kzbin.info/www/bejne/aH7Nh32ondh2a5I kzbin.info/www/bejne/iX6XnqWlmJamorc

[@dcraft969]

The thing I learned on this video is: adjusting the high and low speeds is only a matter of 3-4 clicks either side of peak RPM.

[@spencersayo2374]

What fuel are you running? 2 stroke oil/gas mix? I’m new to this hobby.

[@dmrcflyr2]

I mention both in the video and in the description the fuel I am running.

[@danielhanson4326]

Say, could you tell me what kind of fuel I need to be running and one of those OS40 motors? What you're running there

[@dmrcflyr2]

What I am running is irrelevant. The question is.what do you have access to? There aren’t many choices anymore.