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What C rating do I need for a Trex 250?

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  • #1

    What C rating do I need for a Trex 250?

    Got a Trex 250 with standard Electrics

    Need to buy some batteries for them, What C rating do I need them to be found some 11.1v 1200mAH 20C/25C will these be ok

    Thanks
    Anthony

    Member - Watford Wayfarers
    Heli's - Raptor 50,     Align T-Rex 450 DFC FBL , Align T-Rex 700N DFC FBL
    Tx - JR PCM9XII     (2.4Ghz module)
    Tags: None
  • #2
    Thay will bee more than enuff as the 250 don't need bag of battery power
    trex 700le fbl and a cpx-plop
    No shopping list of helis here
    just one weapon does all

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    • #3
      Plus the mah is higher so it will up the amp on the c rating
      To a stanterd 250 lipo
      trex 700le fbl and a cpx-plop
      No shopping list of helis here
      just one weapon does all

      Comment

      • #4
        Hi Anthony,
        I would try and keep the pack size and weight down as there's not a lot of room under the canopy and you need to keep an eye on the c of g. Biggest pack I've run on mine is a 900/30c. If it's just for sporting about, 20c should be fine. I've just got some Zippy 800mha /20c they give me 6mins and come with the correct plug, weight 65g - about £5 a pop. Happy days.

        Cheers, Marty
        Marty

        Member https://delynmfc.bmfa.org


        Westland Wessex scratch build http://www.scalerchelis.com/phpBB2/v...hp?f=9&t=14762
        Westland Wasp scratch build https://www.scalerchelis.com/phpBB2/...hp?f=9&t=18668
        Vario Benzine Trainer, Trex 250, Blade Nano. BMFA 'B' cert

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        • #5
          have been using the LoongMax 800mah x 30c and these fit and fly ok , loads of power and 6 mins

          +1 on being careful on Cell size and weight as the canopy is a tight fit
          Current Heli's, Align Trex 550, Blade MCPx BL, Blade 130x, Blade 450x, JR DSX9

          Total RC nut ! have been for 35 years ! my count so far of over 192 models ! ( Cars, Planes, jets, gliders and Helicopters)

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          • #6
            the biggest pack I can fit on mine is a 1000mah gens ace or 1000 overlander. the overlander is significantly smaller than the gens ace but as said any bigger and you will have to drill new holes for the canopy posts and things start getting tricky.

            for the same price as the overlander packs I can get 2 gens ace or 3 zippy's while the zippys are only 850 mah the fact I can get three for the same price makes it a no brainer really. I just fancied trying some higher end packs in mine as I have never had "decent" packs.

            have fun
            Steve

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            • #7
              IMHO You can definetly feel the difference between 20C & 30C packs if you fly it hard.
              I would recommend the Align 30C as they are pretty Light around 70g, plus they come with JST connectors fitted with decent guage wire.

              Tim.

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