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  1. #1

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    SAITO 220 Tach. readings

    Has anybody recieved the Saito 220 yet? I'm ready for tach. readings. Horizon say's It wil turn a 20x8 but no rpm reading. Benchmark prop- 18x8 @ 9200. This souds very promising.

    Marc 540

  2. #2

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    RE: SAITO 220 Tach. readings

    Anybody? Marc 540

  3. #3
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    Saito 2.20 after 3-16OZ tanks of fuel
    Fuel--WildCat 10% Premium Extra/18%--80/20 lube
    Prop--Mejzlick 18x8
    Peak RPM 8,710, picture, three clicks rich
    More prop sizes to come, any requests.
    Attached Images Attached Images  
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

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    RE: SAITO 220 Tach. readings

    I was wandering about a 20x8, but that may be to much. I bet a good 20x6 would put out some very good thrust and still have good downline breaking. I've never used a Mejzlick prop before. Are they expensive? I've always liked the APC wide blade props for 3D although I know they're kind of heavy.

    Marc 540

  5. #5
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    The RC Report test got

    20x8 Zinger standard wood---7,000
    20x6----8.100
    18x10---7,800 and the most thrust
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  6. #6
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    Prop rpm request

    How about apc 18x8, Mejzlik 20X6 and 20X8.

    It sounds like it makes almost as much power as a OS 160 fx on 5% nitro.

    If it can spin the 20X6 at 9000 it will be making the same power as my Enya 240.
    a never-ending battle for truth, justice and the American way

  7. #7
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    Brian, it's going to be several days before I can do it, I boxed all of my engines up yesterday to move, but I will do it. 124 engines in 10 boxes, whoa.
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  8. #8
    seanychen's Avatar
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    RE: SAITO 220 Tach. readings


    ORIGINAL: hobbsy

    The RC Report test got

    20x8 Zinger standard wood---7,000
    20x6----8.100
    18x10---7,800 and the most thrust
    I looked at the RC Report article. I thought I saw the most thrust was with 20x10 Zinger, generating nearly 20 lb. of thrust.

    I was wondering if anyone tested this 220 with higher nitro like 20/20 or even 30% heli fuel. I think this is how glow 4-strokes like Saito and YS can start showing their power advantage over 2-stroke or gasoline engines.
    E_Total = M*G*H + 1/2 M*V^2
    When H=0, all of airplane\'s velocity becomes crash energy!

  9. #9
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    I was wondering if anyone tested this 220 with higher nitro like 20/20 or even 30% heli fuel. I think this is how glow 4-strokes like Saito and YS can start showing their power advantage over 2-stroke or gasoline engines.
    That would show how much money you need to spend and how large a tank you would need for a 12 minute aerobatic flight with a big four stroke. I would bet my 160 fx on 30% with a 2 or 3 head shims would still make more power and still use less fuel.

    I think the 220 is a kool engine and would be perfect for someone that has to have a four stroke in a 160 size aircraft do to preference or muffler size restrictions.
    a never-ending battle for truth, justice and the American way

  10. #10
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    I seriously doubt that the 1.60 is going to be stronger or more economical than the 2.20, I know the 1.60 is a fine engine, but.
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  11. #11
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    hobbys,

    I would imagine that the 220 will be able to spin a Mejzlik 20X8 without over heating, my 160 would only spin it at about 6700 rpm and was not happy doing it. It needs to be proped down no lower than 7500.

    My comment regarding fuel usage was directed at using 20-30% nitro in the 220. It would probably make good power but the fuel consumptiom would increase dramatically.

    If you time a 8 oz or 16 oz tank at full throttle with the Mejzlik 20X6 and record the rpm I will compare my 160 to it if we both can spin it at the same rpm. The 160 gets between 7800-8000 rpm on 5% with the 20X6 and the Enya 2.40 gets 8900-9050 on the same fuel. I will have to double check. I remember that with a apc 17X8 prop, 8 oz. tank and 5% nitro/20% oil it ran for 5 minutes 20 seconds at full peaked throttle and 9400 rpm when the engine had 1/2 gallon thru it several years ago. It could use a front bearing now but it owes me nothing.
    a never-ending battle for truth, justice and the American way

  12. #12
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    Thanks Brian, I am in the process of moving but will have a much better engine running place, I am glad you mentioned about the different nitro %s. I am going to order a case of WildCat fuel with one gallon each of 10, 15, 20 and 30% Nitro to do a torque test using my AHP Torque Reaction Dynamometer. I plan to use my Saito .82a and a 14x6 APC, I chose the .82 because the Dyno can handle up to a .91 and my Saiot 100 could very exceed its cababilities on 30% nitro. I'll get back to the 2.20 as soon as I can catch the Mrs. looking the other way without a box to unpack.
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  13. #13
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    I hate moving!
    a never-ending battle for truth, justice and the American way

  14. #14
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    Me too, as they say, I can't wait to "gitter dunn".
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  15. #15
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    Hobbys,

    Any more testing?
    a never-ending battle for truth, justice and the American way

  16. #16

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    RE: SAITO 220 Tach. readings

    Skypilot one,
    Are you using the stock muffler on your OS160 when taching this rpms? Thanks

  17. #17
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    I did use the stock muffler to break in the engine and the numbers for the 17X8 were taken using it. The numbers for the 20X6 came from using the JTec dual snuffler muffler. It is very quiet and removes all two stroke wing-ing-ing sound. It is heavy and near the same performance can be had with the BGX or ST 4500 Bisson mufflers.

    I will tach my original 160FX with various props again and post the results when I can.
    a never-ending battle for truth, justice and the American way

  18. #18
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    RE: SAITO 220 Tach. readings

    Hobbys,

    Any more testing?
    a never-ending battle for truth, justice and the American way

  19. #19
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    Sorry Brian, my next to last Uncle in western Pa. passed away last week and my wife Geri broke her arm the day before that so it's been a mess around here for a few days. I've been insulating and drywalling my new shop so I only have about one third of my hobby stuff moved so far. I'll keep you posted.
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  20. #20
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    Sorry to here about your uncle and I hope your wife heals quickly. Good luck with your shop, post some pics when your done.
    a never-ending battle for truth, justice and the American way

  21. #21
    tIANci's Avatar
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    RE: SAITO 220 Tach. readings

    From the info given it would seem that the SA220 is not really a power house. I mean the SA180 is already a real gas guzzler and now we see that the performance is only a little better than something like an OS160. From my personal experience running a TT120 2C, the engine does not really consume that much fuel, there is a possibility that the SA220 has the same consumption as th SA220. The SA220 may be a 4C engine but then if its like the SA180 means fuel consumption is heavy. Only benefit is that the SA220 will be able to throw a 20" prop.

    How much is the YS160 compared with the SA220 ... the YS160 can handle a 18x8 with ease.
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  22. #22

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    RE: SAITO 220 Tach. readings

    ORIGINAL: tIANci
    From the info given it would seem that the SA220 is not really a power house. I mean the SA180 is already a real gas guzzler and now we see that the performance is only a little better than something like an OS160. From my personal experience running a TT120 2C, the engine does not really consume that much fuel, there is a possibility that the SA220 has the same consumption as th SA220. The SA220 may be a 4C engine but then if its like the SA180 means fuel consumption is heavy.
    And still I like the big four stroke's for their sound, characteristics looks etc. It is all from the heart not the mind.

  23. #23
    Moderator Hobbsy's Avatar
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    RE: SAITO 220 Tach. readings

    The Saito 180 is not a fuel guzzler when tuned properly and neither will the 2.20 be, Ti, you seem to be hung up on that at the exclusion of all else.
    Farmall 240 the final issue of the Farmall C, Super C, 200, 230 series.
    122 Cu. In. 22 hp. A small tractor that would do big work due to its 10x36 inch rear tires.

    As competition improves products, the differences between them get smaller and smaller

    Club Saito member #5

  24. #24
    PlaneKrazee's Avatar
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    RE: SAITO 220 Tach. readings

    The Saito 180 was a fuel guzzler when people were trying to get OS160FX performance out of it using 30% nitro, and then it still didn't make as much power.

    The Saito 220 may use less 10% nitro fuel than the Saito 180 burning 30% to spin the same OS 160 size props and may make as much power as the Moki 180.

    I look forward to hobbys's reports on props and fuel consumption.
    a never-ending battle for truth, justice and the American way

  25. #25

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    RE: SAITO 220 Tach. readings

    Hi guys,
    Fuel consumptions depends on the type of flying.
    I have a airplane powered with a Saito 180 and on my type of flying style with this airplane I got about 5 hours of running on only 10-11 liters of fuel containing no more than 15% nitro. The engine was flyable out of the box and after some minor tuning of the idle mixture I got a super reliable 17-1800rpm at idle but 14-1500rpm was also possible if desired. After only two tanks on the ground I flew this plane for another 5-6 flights, but just for the break in purposes[sm=lol.gif]

    5hours = 300minutes
    11L = 370 ozs This gives me 1,25 ozs/minutes and thats not so much.

    I would love to have one of those SA220:s /Amir


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