w8ye

My Feedback: (16)

ATF will be fine

Check the engine for hydro lock by turning it over by hand before applying the starter.

It is going to take a big starter

blw

My Feedback: (3)

We have new members:


770 frets24
771 Daniel-el
772 boates25

It's good to have these guys around. Anyone else???

KenD

My Feedback: (65)

Yesssss me KenD

hsukaria

Yes, I read with dread about the starters some of you guys are using. My standard starter with a big 12V lead acid gel battery turns the 180 over slowly. We'll see.

clytle374

I'd like in, if the dues are not too high

Cory

Hobbsy

My Feedback: (102)

Jim, I pulled the backplate on my older .80 today and after 22 years it is still shiny and new looking inside. I partly learned to fly with this engine in about 1990. It has rarely turned anything but a Scimitar 13x6 and was run on Fox 15% fuel with 20% castor for its first two seasons./ Since that time it has run on WildCat 10% Premium Extra almost exclusively except for some PM about 4 years ago when I found 6 gallons for 58 bucks. Its whole life has been spent with a Fox Miracle plug in it. The only thing changed has been to the upgraded spraybar and a new cast muffler. Sorry about the lousy picture but it does show the shiny stuff.

hsukaria

Hobbsy, I can also see all the Fox stuff in the background also. Are you trying to send subliminal messages through your pictures?

BTW, I started my Saito 180 (my first Saito ever) today for the first time. Bought used. The starter battery was dead, so I used a chicken stick. Flipped the prop backwards after priming for 2 revolutions. Easy start. Awesome throttle response. Ran for a few minutes at mid-throttle and very rich. Then leaned out and got 8500 RPM on a 16x8 prop while still fairly rich. Idle at 2000 RPM.

Fuel I used is Morgan 5% nitro, 15% synth, 5% castor (2-cycle fuel). After using the first gallon with this fuel, I plan on going to 5% nitro and all synth (2-cycle fuel), then after that I will go to 5% nitro with all synth 4-stroke blend.

N1EDM

My Feedback: (2)

I've got a Saito 125 that I inadvertantly fiddled with the LSN. The engine hasn't been run yet.

Does anyone have an idea what the initial setting for the LSN should be on the 125?

Thanks,

Bob

Hobbsy

My Feedback: (102)

Bob, about 1/16th" below the flat surface of the throttle arm will make a good starting point.

N1EDM

My Feedback: (2)

Thanks, Hobbsy

Bob

clytle374

Took the engine off and was mounting the stack. The small end of the stack measures .315" and the carb is .335". It that enough to matter, or is it normal for the stack to be a bit smaller?

Also there is a gap between the stacks mounting plate and the carb due to the recessed area on the carb face. Should there be an o-ring or gasket there? Not having much luck finding an o-ring that fits.


Thanks, I was using the OS pipe as an example of what I'm looking for. BTW the OS F plugs fit great


Thanks
Cory

Funny thing I ran into was when I mounted originally I spaced the carb bolts to clear the firewall by .01". Adding the stack causes them to hit the firewall now. Remember thinking that could never be a problem.

Paul_BB

I would also like to be a member. I own a .72 and a 1.80 and I love these engines. Thanks.

Rudolph Hart

Welcome mate what if anything have you guys got planned for the morning sunday and flying i hope.Sleep in for me and lazy scrambled egg and bacon brekky at the local cafe before bolting the 200r3 to the nearest fencepost at the club and opening the throttle right up.On full throttle this afternoon there is a noticable drop in rpm with the throttle wide open so guess this is the time to start leaning it off.

Hobbsy

My Feedback: (102)

Yep, I built another Fox .50 in a .46 case using' "junk" parts, the Saito .80 pictured is the one that runs on Davis Diesel fuel so well. I use a gutted glow plug in it and it runs perfectly.

hsukaria

You mean that you can run it with diesel without having an adjustable compression???[X(] That's the only mod you had to do? How does the performance compare to a nitro version? How do you start it without adjustable compression? I wonder how that would work on a Saito 1.80?

I saw a brand new Fox 50 at the Fox factory less than 2 weeks ago. Smallest 50 I have ever seen. It's a midget compared to a SuperTigre or OS. I would have bought one, but they are not producing them yet. ( I suppose this statement should go in the Fox forum, eh?)

earlwb

My FA-80 wasn't too bad, but there was a little castor oil varnish on the crankweb though.

blw

My Feedback: (3)

Cory- an O ring does go there to seal the gap. I have tried the stacks on the 56, 72, 82, and 125. You can either get them from Saito with a several in each gasket set package, or go to the hardware store and find the right size. I bought a handful the last time I was there.

Hobbsy

My Feedback: (102)

All you have to do is start it, no glow power or any other assist needed. It is an early high compression .80. Oh yeah, the prop is a Bolly 13.5x8 and the rpm is 8,792.

Earl, that looks pretty good inside.

clytle374

I've got an O-ring assortment and none fit, I'm guessing they are metric o-rings that i won't find locally. I'm a bit concerned about the size of the stack. I looked at my Dad's new 82 and it's carb is .01" smaller than the 100, and still larger than the stack. I'm really not sure if stack being .02" smaller than the carb will matter much, or at all.

Thanks
Cory

EDIT: I found a AC(high temp, freon) o-ring and cut it a bit to get a good fit. Then I did the math and realized that the velocity stack reduces the area of the intake by 12%. Now I check the parts listing and it shows the carb for the 100 is shared with the Saito 115, which is 15% bigger, so will it hurt performance is an unknown. So the only way to really knwo would be mount the engine on a stand where I could remove the stack quickly for a test. Getting frustrated with all this.

AmishWarlord

My Feedback: (5)

Saito engines just keep getting beter and beter!

Hobbsy

My Feedback: (102)

Don't get frustrated, tinkering with engines is genuine fun, we're not having much fun right now, we've been on a generator for 3 hours. I think of the big Briggs and Stratton 9hp engine as a big Saito. I had doubts that 6,500 watts would be enough but so far so good. Glad we don't need the heat pump. I have a grill cover over the gen. My wife bought the TroyBilt gen 10 years ago and this only the second time I've used it for a long period of time. I don't think I actually have it loaded very heavy, its making 255 volts.

nextofkin

My Feedback: (8)

AmishWarloard
What kind of program are you using in your post with the laptop and where did you get it?
Thanks
Nextofkin

AmishWarlord

My Feedback: (5)

That photo is a spoof. I made it as a joke in another thread on electric ESC's.

You know how some ESC record all you power data for later review. I posted that it would be cool if the small glow engines did that as well.

No way to pull run data out of your engine's glow plug with a USB cable as of yet.

earlwb

Well maybe you can. The heli guys are using dataloggers for all sorts of stuff on their heli's. So one could calculate the horsepower from the data. If one measures the engine RPM or Rotor head RPM you have lots of data you could glean from it. Then they toss in the other stuff like engine temperature, battery voltage and current too, and so on.

So if you know your prop size and pitch, you could use RPM to determine the horspower, and other sensors for the other stuff too.

I did think that your pic was pretty funny. it was a good one for sure.

retransit

My Feedback: (18)

Hobbsy, I live in Florida and since 2005, I've only used my 5600W, 10 hp Craftsman three times. Glad to have missed Irene.

Bob