RAF

Hi Jon, ok your first point : yes if you coax it up slowly it just makes it then dies no spluttering ,just fades out . point 2: fades out , no spluttering . Today i have seemed to have got a better low rpm setting using three and a quarter turns , high rpm setting is now at 3 and a half turns,seemed alot ,but now theres better run times and responce ,, ..Still not happy to fly with this yet .... I found theres not much technical data out there regards to OS 52SC Two Stroke...Plenty of fours ...lol King Regards, Raff.

yes indeed ...they are all back ups for when out on the field ...i find they dont last long 20 starts from one fully charged ...how long do yours last ?

thank you for your advice ..have help on hand if it go's south , will try blowing down inlet port of curb and set it by listening for small hiss sound ,,bit tricky as motor is on its side and screw is difficult to reach ,unless bench test again .....ill keep you posted ..still not sure what factory settings are yet .. on low rpm mixture and high rpm mixture..Have had motors in the past etc ...going back to it, had enough of battery flight times .. Raff

i have several types of plugs tried them all ,,number 8 seems to work best for now ,,

thanks Denis ,,, can i do this with curb in situ ?? or pull curb off ??

i can break this down in segments if required thank you Kind Regards, Raffaele

Hi All , Tuff one this ... before we start a little history ,,second hand engine seen it flying, about 3 years old , Currently set up in a Cessna, Tank and fuel lines new, Tank correct level ..Engine is on its side ,I do believe this makes no difference to running conditions ...Currently low RPM is set to 3 turns out anti clock wise from its stop point ...& High RPM is set to 2 & half turns out from its stop point . i don't have manual ,and I have moved low RPM settings by half a turn either way , The problem is it wont go to full throttle and dies ,if i open low rpm screw to much it runs but dies when you take glow plug off , and still no full throttle in that setting ...are the settings correct??... I'm using a 1.2v rechargeable batt @ 2.2mah which glows the plug nicely ...I have 6 of them which gives me 6 hours could anyone help with the above issue please as i am struggling ....using 10% nitro ,,,I wanted the old school castor oil but no stock for now , so using red synesthetic stuff not fond .. This is not a 4 stroke ...This model is the 2-stroke type with curb at the back of engine ...From what i have read about these engine is that they are problematic but reliable ......thanks .... Kind Regards, Raffaele ..