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  1. #1
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    PowerExpander Competition 12

    Hi, I have just ordered PE Competition 12 for my 38% Extra. I'm using two TP 4200 li-po batts, Two Fromeco Sahara regs and Futaba Fasst R6014FS Rx.
    It has standard HD switches but I have Wolverine switch I'm thinking about putting on or I can turn the Regs into a fail safe switches.What would be the best options as far as switches?I'd like to use the stuff I already have.
    Did I ordered the right PE? I hope I did since it has been designed for 12 ch receivers.
    Also the regs have Futaba/JR in and out connectors.Do I need to change it to Deans to plug it to PE? If so can I just cut the fut/JR connectors and solder the deans to the wires or do I need to change the wires to a different gauge?

    Thanks

    Pavel

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    RE: PowerExpander Competition 12

    Hi Pavel,
    You must realize the PowerExpander Comp 12 was designed to be used with batteries and not regulators. We have the PowerSystem Comp 12 with regulators when they are necessary. That said, you can use regulators with the PowerExpander Comp 12 but you have to remember the BatShare on the input will result in 0.4V less that the regulators put out getting to the servos. If you want the servos to get 6.0V you have to set the regulators to 6.4V. Also, you really need 16ga or 18ga wire coming out of the regulators with Deans connectors. The 22ga wire is just not sufficient for a 40 lb plane. You also need heavy wire and Deans connectors on the input to the regulators. You also have to realize its impossible to match regulators so they share current equally. Using two regulators you are going to find you will get anywhere from 10% to 90% battery drain difference depending on how closely the regulators are matched.

    As far as switches, you need switches that have at least 18ga wire and Deans connectors or use failsafe switches. You do not want any 22ga between your batteries and the PowerExpander Comp 12.
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  3. #3
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    RE: PowerExpander Competition 12

    Hi Robert,

    thanks for your response. I have bought the plane RTF and the setup in it was 2x Li-po, 2x swithc, 2x fromeco sahara, 2 wires from each reg to the Fasst R6014FS rx.
    The plane was flying before and I flew it a few times, but someone told me that I need a power box because I don't want to pull heavy AMPs to the servos trough the Rx.
    Especially R6014 Rx which had some problems with the heat and I don't want to risk the plane because of that.
    So can I ask you what would you do?
    Appreciate it.

    Pavel

  4. #4

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    RE: PowerExpander Competition 12

    Hi,
    This is really up to you. We think that for any plane over 50cc you really see a difference running a PowerExpander or PowerSystem. At the very least I would re-wire the Fromeco Sahara output with 16ga wire and Deans connectors and connect it to the PowerExpander Comp 12 you bought. Set the voltage on the Saharas to 6.4V or 6.5V. You may see some dropout at that voltage when your batteries get below 7.2V or so. I don't know if you ever fly when your batteries are that low.
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  5. #5
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    RE: PowerExpander Competition 12

    Thanks for the quick answer.I'm trying to get my plane ready for the weekend!
    So would it be better if I get One of your reg. Super or turbo? Do I need the deans plugs everywhere - batts to switches and switches to reg?
    Appretiate it.

    Pavel

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    RE: PowerExpander Competition 12

    Hi Pavel,
    You can either use our SuperSwitchHD 2Pak or the Failsafe Switch & Charge Package.
    Which ever will work best for you. Is this a 100cc or 150cc plane?
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  7. #7
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    RE: PowerExpander Competition 12

    It's 150cc plane.
    I did not see the Failsafe Switch & Charge Package on your website.Can you tell me what it is?
    I also want to get Ignition cutoff so now it looks like the best option would be your PowerSystem Competition 12 Turbo Plus ,right ?
    Did you send my order out yet?

    Thanks

    Pavel

  8. #8

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    RE: PowerExpander Competition 12

    Hi,
    You want to get the TurboReg. The failsafe switch is immediately below where you order the TurboReg. The PowerSystem 12 would have been your best choice. Did you pay by PayPal? I think I just processed your order.
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  9. #9
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    RE: PowerExpander Competition 12

    Yes I have paid by paypal. Can you change my order to the power system? Will pay the difference by paypal now.
    I'd like to see that failsafe switch do you have a pic? Sorry for the confusion.

    Pavel

  10. #10

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    RE: PowerExpander Competition 12

    On the PowerExpander page look under the PowerExpander Pro picture.
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  11. #11
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    RE: PowerExpander Competition 12

    Thanks,

    can we change the order please.

    Pavel

  12. #12

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    RE: PowerExpander Competition 12

    Hi,
    OK, what exactly do you want? The PowerSystem Comp 12 and the failsafe switch package?
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  13. #13
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    RE: PowerExpander Competition 12

    hi,
    Yes I want The PowerSystem Comp 12 Turbo Plus and the failsafe switch package.

  14. #14

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    RE: PowerExpander Competition 12

    OK, I will send you a PayPal request for the difference right now. Thanks,
    Robert Ritchey
    Owner, Smart-Fly
    www.Smart-Fly.com

  15. #15
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    RE: PowerExpander Competition 12

    Thank you very much for your help and patience.


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