Willdo

Baja Bob
Yes, I realise that now. - It'll be good to see the results of your effort.

Eagle Flyer

My Feedback: (84)

mKlarich;
Try a Super Tigre needle. I have one that fits the bigger Saitos. Already has a long taper. I don't know if it will hit the low side adjustment in the spraybar when idled down though. But if the point sticks in that far I suspect it's way inside the seat and any area where it would serve any purpose and some of the end could be removed I think, but haven't verified this. The knurled knob can be relocated on the needle's shaft by pressing it to where ever you need it to engage the spring on the carb to hold adjustment. Have you had any issues with bearings seals or heat?

Spychalla Aircraft

My Feedback: (34)

Interesting Thread. Seems many people are thinking that the market is ready for gas 4-strokes. Here is one that I am working on, and contemplating conversions for. It is going to take some refinement, but if I can turn an 18-6 to around 6,500 then I think it is worth investigating further. Ultimately I think the flywheel has got to go and an electronic ignition would be added. The question is, what would modelers be willing to pay for a small gas 4-stroke. You can buy a Zenoah G-26 for around $275. Would the 4-stroke bring the same price?

msulka

just a quick line.

AMEN. dark ages, exactly

when will the geared gas turbines be more than esoteric show pieces??.....the turbine is my suggestion for power:weight, efficiency (for now), maintainability (once commonplace), etc. And it is very much scalable down because of the few moving parts. so as the other stuff shrinks to one chip of silicon, so can our fossil-fuel burner!

BajaBob-delete

TKG what document are you referring that states CR is 7.5 All the factory documentation I have lists it at 8:1 and the engines I have measured came out to 8.3:1-8.4:1,which really doesn't matter to me because one of my GX-31s is 10.25:1 CR

keibo

HI FOLKS! I HEARD OF SOMEONE WHO CONVERTED A HONDA WEEDWACKER FOUR STROKE GAS ENGINE FOR USE IN A BALSA USA 1/4 SCALE FOKKER DVII. IF THAT PERSON IS LISTENING, PLEASE LET ME KNOW HOW YOU DID IT AND HOW THE RESULT FLEW THE PLANE . THANX, KEIBO

Jezmo

I just noticed Saito is making a 220 gasoline four stroke with EI. Looks just like all the glow Saito's but has a Walbro carb and EI. Their literature says comparable power to glow of same size. Maybe there is some interest in four stroke gassers.

Marcol

I'm surprised none of you guys have mentioned the Mackay (RCS) 45 VT . As shown below in my 1.5 size Acrowot.

You should also check out this link http://www.moki.co.uk/50-4S.htm.

This is a purpose built electronic ignition petrol engine. The one I have has to be the easiest starting gas engine that I have and it seems to run forever on a 16oz tank.

Mine has had about 20 flights now and is turning a Menz 20 x 8 at about 6800.

Any more info , just ask

Mike Dooley/RCS

RCS 50VT, awesome little four stroke single. 20x12-22x8 props

Didg

It's just a question of WHEN rather than if.

Big boxer 4 strokes - fuel injection..............I can't wait.

RCS / Moki should defo bring out a 100cc flat twin using the 50VT top ends.
Could do with enclosing the rockers though, but wouldn't put me off buying one.

Didg.