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  1. #1
    JAS's Avatar
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    Futaba MC 9100A ESC

    Having only been flying Jeti/Hacker Comp 90 ESC's since 05-06 (I think) I've always looked for something that was a direct replacement since they stopped making them. The Spin 99 is the closest to it, but even it isn't as easy to program as the old Comps. Since I'm now down to 2 Comps, it was time I started figuring something out. Over the holiday's I was able to do some flying with the new Futaba MC 9100A ESC. I must say, it's the closest to the Comp as far as performance and ease of programming (with the recommended programmer). The only real difference is the throttle transition seems smoother with the Futaba than the Comp.

    My plane set-up is as follows:

    Plane – 2M Osiris (prototype)
    Motor – Fury 60/67-230
    Prop – APC 21x13W
    Batt – ThunderPower 5000 45C (my 20C are 3 years old and a bit weak at the end of flights)

    ESC Settings:

    Batt type - Lipo
    Lipo cut - 3V
    Cut type – Slow
    Motor Direction - Normal
    Timing – 24 degrees
    Acceleration – Normal
    Start Power - Normal
    Brake % - 90%
    Brake – On
    Poles – 28
    Gear Ratio – 1.0 : 1

    Temps the days I flew were low to mid 70’s and the ESC was 123F when I took the canopy off to check it. This is with the ESC mounted on top of my batteries with not much air flowing to it. I will need to find a better mounting method than just that lol. I'll probably drop it in the chin for direct airflow to it.
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    Uncle JAS x 2
    Shulman Aviation
    jasonshangar.weebly.

  2. #2

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    RE: Futaba MC 9100A ESC

    hi jas,
    what is the price compared with the hacker spin 99 ?? ..

    regards
    steve

  3. #3
    JAS's Avatar
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    RE: Futaba MC 9100A ESC

    I don't know if a price has been set yet.
    Uncle JAS x 2
    Shulman Aviation
    jasonshangar.weebly.

  4. #4

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    RE: Futaba MC 9100A ESC

    ok, good stuff keep us posted jas...

    regards
    steve

  5. #5
    braza's Avatar
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    RE: Futaba MC 9100A ESC

    Had the chance to check it out and fly this set up this past weekend (Thanks Jason !). Airplane flew very well and very smoth throttle response.
    Marcio \" Braza\"

  6. #6
    Henning's Avatar
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    RE: Futaba MC 9100A ESC

    In Japan Futaba lists the ESC MC9100A at $258 and the programing box at $52.

    Both Akiba and Suzuki use this ESC.


    Regards,
    Henning

  7. #7

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    RE: Futaba MC 9100A ESC

    Does it have fixed endpoints, auto, or both?

    Thanks,
    Verne (I have 3 Comp controllers )


    ORIGINAL: JAS

    Having only been flying Jeti/Hacker Comp 90 ESC's since 05-06 (I think) I've always looked for something that was a direct replacement since they stopped making them. The Spin 99 is the closest to it, but even it isn't as easy to program as the old Comps. Since I'm now down to 2 Comps, it was time I started figuring something out. Over the holiday's I was able to do some flying with the new Futaba MC 9100A ESC. I must say, it's the closest to the Comp as far as performance and ease of programming (with the recommended programmer). The only real difference is the throttle transition seems smoother with the Futaba than the Comp.

    My plane set-up is as follows:

    Plane – 2M Osiris (prototype)
    Motor – Fury 60/67-230
    Prop – APC 21x13W
    Batt – ThunderPower 5000 45C (my 20C are 3 years old and a bit weak at the end of flights)

    ESC Settings:

    Batt type - Lipo
    Lipo cut - 3V
    Cut type – Slow
    Motor Direction - Normal
    Timing – 24 degrees
    Acceleration – Normal
    Start Power - Normal
    Brake % - 90%
    Brake – On
    Poles – 28
    Gear Ratio – 1.0 : 1

    Temps the days I flew were low to mid 70’s and the ESC was 123F when I took the canopy off to check it. This is with the ESC mounted on top of my batteries with not much air flowing to it. I will need to find a better mounting method than just that lol. I'll probably drop it in the chin for direct airflow to it.


  8. #8

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    RE: Futaba MC 9100A ESC

    Does it come with any neat "fasstest" features? Like integrated voltage and current measurements transmitted via telemetry? If not, a 124g controller would be a step backwards in evolution IMHO.

  9. #9
    Henning's Avatar
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    RE: Futaba MC 9100A ESC

    Wondering if the Futaba, Robbe and the OS ESCs are the same products with different labels? OS is owned by Futaba and Futaba produce products for Robbe.

    http://www.os-engines.co.jp/Newprodu...1221/1100.html
    http://www.rc.futaba.co.jp/motor/index.html




  10. #10
    Bill Clark's Avatar
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    RE: Futaba MC 9100A ESC

    I would like to see Futaba introduce their motors and ESC's to the us market. All my Futaba radio gear has been bullet proof and I dont have any doubt this stuff wouldnt be top notch. Looks like they have just the right motor for my 8s Wind 110 too

  11. #11
    Jon Wold's Avatar
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    RE: Futaba MC 9100A ESC

    It's probably coming, but in Europe they've launched both the motors and the ESC line under the O.S brand. O.S and Futaba are probably owned by the same company. I love O.S and would use that ESC in a heartbeat, but it seems a bit heavy? My Kontronik jive 80 weighs significantly less.

    BTW, What Osiris prototype? Pics of the whole plane, please [8D]
    F3A blog: http://www.aerowold.com

  12. #12
    Henning's Avatar
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    RE: Futaba MC 9100A ESC

    Jon: what is the weight of your Jive 80 including heat sink, wire with noise filter and full length of cables to the motor and batteries? I assume you well be pretty close to the OS/Futaba ESC at 124 grams. The clamed weight of the Jive 80 on Kontroniks web page is probably added by the marketing department.

    Wondering if the OS/Futaba ESC works with Plettenberg Adcance 30-10?

    Henning

  13. #13
    JAS's Avatar
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    RE: Futaba MC 9100A ESC

    I'm guessing it's auto end-points as there is no selection for fixed end-points.

    I don't know if there are 'hidden' telemetry features in the ESC as I don't have an 18MZ to check with.
    Uncle JAS x 2
    Shulman Aviation
    jasonshangar.weebly.

  14. #14
    Bill Clark's Avatar
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    RE: Futaba MC 9100A ESC



    After checking out the link to Futaba above I set out on a mission to get my hands on one of the 5065-300KV motors for my Wind 110e. A little luck and pulling some strings got it done. I was expecting the absolute highest quality and was not surprised once I got it in my hands. even the motor mount is fully machined. I will start on a 17x10 on 8s and go from there. Thanks for planting the seed Henning

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  15. #15
    Henning's Avatar
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    RE: Futaba MC 9100A ESC

    The instruction manual for OS and Futaba is the same. I only have the manual for Futaba in Japanese but had someone scan the manual in English for OS for me.

    Henning
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  16. #16

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    RE: Futaba MC 9100A ESC

    Bill

    Did you have to change much to mount the Futaba in your Wind 110 ? Can't wait to get ahold of one
    ORIGINAL: Bill Clark



    After checking out the link to Futaba above I set out on a mission to get my hands on one of the 5065-300KV motors for my Wind 110e. A little luck and pulling some strings got it done. I was expecting the absolute highest quality and was not surprised once I got it in my hands. even the motor mount is fully machined. I will start on a 17x10 on 8s and go from there. Thanks for planting the seed Henning


  17. #17
    Bill Clark's Avatar
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    RE: Futaba MC 9100A ESC

    The firewall was a bolt up but the rear mount needed rework because the motor is shorter than a Hacker. I had to find someone that was going to Japan to get mine because no one has it in the US. Futaba told me they wouldnt ship to the US and none of Japans hobbyshops that carry it will sell outside Japan. Its a great motor and if you can get one you will be happy with it. I wish they would just go ahead and put their OS badge on it and start selling them in the states. 18x10 xoar at 7400rpm gives 14.5lbs static and 63 amps on 8s 20cand runs cool

  18. #18
    Henning's Avatar
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    RE: Futaba MC 9100A ESC

    [/quote]

    Thanks again. It is not clear if you can turn the brake on and off in the air by changing the low end pulse width. My current Spin 99 setup gives me idle at low stick position (no brake) and ''brake'' when I switch to a shorter pulse width. In the no brake condition, I do have to jog the stick to get it started initially but once it is started it transitions off of idle very smoothly and the motor never stops. If I have the brake on, lower pulse width at low stick, it is not a smooth transition from off to idle. My YGE does transition from brake to idle very well and it is what I was hoping the Futaba might do too.

    I assume with the Futaba programming technique you would get ''brake'' at low stick position and would need to switch to a higher pulse width to get an idle at low stick. Is that doable? How do you set it up?

    Jim O
    [/quote]

    Yes Jim it's doable.


    My set up for Plettenberg Advance 30-10 and 14MZ

    ESC:
    Battery Type: LiPo
    Cutoff voltage: Auto
    Battery cutoff type: Soft
    Advanced Timing: 24ΒΊ
    Accelerations: Normal
    Start Power: Lowest
    Air Brake: On, 60%
    Motor Pole No: 20
    Gear Ratio: 1.0:1

    Radio:
    End points:
    High 80%
    Low 100%

    The break is executed when the stick is at low position. I do not use idle. Startup is super smooth and transition from break to power is seamless.

    I fly with APC 21x12WE in a Wind S Pro. The plane does not induce much drag so I only use 80 % power and have more than enough power for F3A in strong wind.

    Regards,
    Henning
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  19. #19
    Silent-AV8R's Avatar
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    RE: Futaba MC 9100A ESC


    ORIGINAL: Bill Clark

    The firewall was a bolt up but the rear mount needed rework because the motor is shorter than a Hacker. I had to find someone that was going to Japan to get mine because no one has it in the US. Futaba told me they wouldnt ship to the US and none of Japans hobbyshops that carry it Β*will sell outside Japan. Its a great motor and if you can get one you will be happy with it. I wish they would just go ahead and put their OS badge on it and start selling them in the states. 18x10 xoar at 7400rpm gives 14.5lbs static and 63 amps on 8s 20cΒ*and runs cool

    The only way to get them into the US is to put pressure on Hobbico/Great Planes to do so. They need to know that there is a market or they are likely not to import them. They can be selective about what products they import. I definitely plan to ask for the ESC and also several motor sizes. They already have a few of the OS labeled motors, but none of them larger enough for our use.

    http://www3.towerhobbies.com/cgi-bin...SM&C=GHG&V=OSM

    The only Futaba speed controllers they have are ones intended for the car market.
    Team Futaba - RClipos.com

  20. #20

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    RE: Futaba MC 9100A ESC

    Hobbico does carry the os brand speed control which is the same as the Futaba controller.
    Here is the link:

    http://www3.towerhobbies.com/cgi-bin...&I=LXBYTY&P=ML

  21. #21
    Bill Clark's Avatar
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    RE: Futaba MC 9100A ESC


    ORIGINAL: Silent-AV8R


    The only way to get them into the US is to put pressure on Hobbico/Great Planes to do so
    Probabley have to get a pettition going to make that happen. My feeling (and judging from their email response) is that they simply dont care to sell some of their products outside of Japan. They are a big company (aside from RC) and they can pic and choose if they want to.

    Henning, can you adjust the PWM on the controller or is it set at 32khz. I looked over the instructions you posted but didnt catch it

  22. #22

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    RE: Futaba MC 9100A ESC

    Hi
    I too have been looking at them for a project. As regards telemetry, it would be nice if the Futaba ESC logged and transmitted total amps drawn. That way you could set the telemetry to allert you when you are getting close to a selected limit. It would be alot better than monitoring pack voltage which could then be used as an alternative means of health check.

    eg the telemetry squawks once you have pulled XmAh or the voltage drops below Y volts.


  23. #23
    Henning's Avatar
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    RE: Futaba MC 9100A ESC


    ORIGINAL: Bill Clark


    ORIGINAL: Silent-AV8R


    The only way to get them into the US is to put pressure on Hobbico/Great Planes to do so
    Probabley have to get a pettition going to make that happen. My feeling (and judging from their email response) is that they simply dont care to sell some of their products outside of Japan. They are a big company (aside from RC) and they can pic and choose if they want to.

    Henning, can you adjust the PWM on the controller or is it set at 32khz. I looked over the instructions you posted but didnt catch it
    It is set at 32

  24. #24
    woodie's Avatar
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    RE: Futaba MC 9100A ESC

    I just checked the specs for the OS controller at Tower Hobbies and the specs listed say it a lower peak amp than the OS instructions list.

    Tower Hobbies
    SPECS: Cell Handling Capability: 14-36 NiCd/NiMH, 4-12 LiPo
    Function: Forward-Stop-Brake-Reverse
    Peak Load Current: 70A (85A 5 seconds)
    PWM Frequency: 32kHz
    Protective Function: Start protection/Low Voltage/ No Signal cut-off/
    Overheat protection
    Parameter Setting: ESC/ESC Programmer OCP-1 (optional extra)
    Dimensions: 2.9 x 2.2 x 1.2" (73.4 x 56 x 31mm)
    Weight: 4.4oz (124g)

    Probably specs for a different controller.

    It also says it has 'reverse' capability, not sure why we would need that for airplanes, but it would be spectacular on final approach.. ;-) Probably a carry over from another controllers specs.

    Don
    \"In theory there is no difference between theory and practice. In practice there is.\" Yogi Berra

  25. #25
    Silent-AV8R's Avatar
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    RE: Futaba MC 9100A ESC

    That looks like a typo. Basically they posted the specs for the 70 AMP ESC (OCA-170HV) on the 100 amp page.

    These are the specs off the OS website for the OCA-1100 HV ESC:

    4-36 NC / NiMH for 90 to 110 class motor ,4-12 Lipo
    β—‹ Lipo battery type selection, NiCd, NiMH
    β—‹ 100A load current of air brake ON / OFF (5 seconds 150A)
    73.4x56x31 Dimensions (mm): Weight 124g (including wiring)
    OMA-5020-490/OMA-5025-375: OS recommended motor
    Team Futaba - RClipos.com


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