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  1. #1
    cumminspower5.9's Avatar
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    C rating for 1/8 Flux HP

    I know the box says minimum 25c lipo, and my father inlaw ran 2 3s 25c lipos and after the first run, one lipo puffed up, and the other got a little swollen. I am thinking they puffed because the lipos were only 25c. I think the big truck needs atleast a 30c to prevent straining the battery. what do you think?
    -Aerodynamics and turbos are for people who can't build motors.

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  2. #2

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    RE: C rating for 1/8 Flux HP

    I think you are right. That's half of the equation. The other half is the cell's capacity. Increase either one or better yet both.
    and airplanes were in

  3. #3
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    Yeh, 25c is a bit on the conservative side, I don't use less than 5000mah 35c in the Sav, mostly 40c.
    Down with the crew known to pump up the bass...
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  4. #4
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    See the hobby shop we have around here recommended a 25c which is what i thought was low considering the weight and motor size of the truck. my father inlaw is a noob so he didnt have a clue ya know. i was saying at the minimum 30c would be good. it just sucks he only got one run out of it abd one battery puffed.
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  5. #5
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    I'm surprised it puffed to be honest, at least on the first run. What was he doing? Full WoT runs up and down the street for the whole pack? Also, bear in mind it can happen to even the best batteries. If the hobby shop recommended them, they should warranty it, or at least give him credit toward a more expensive battery.
    Down with the crew known to pump up the bass...
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  6. #6
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    RE: C rating for 1/8 Flux HP

    i just put a order in for 2 of these http://www.hobbypartz.com/98p-40c-50...se-direct.htmlin hopes to avoid puffing of my lipos in my XS tho i think i was just unlucky but im to poor risk 40 dollar batterys lol
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  7. #7
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    The XS has a low efficiency stock motor which makes it a lipo eater. The HP just pulls a phenomenal amount of watts, especially on grass.
    Down with the crew known to pump up the bass...
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  8. #8
    echthelion's Avatar
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    RE: C rating for 1/8 Flux HP


    ORIGINAL: Foxy

    The XS has a low efficiency stock motor which makes it a lipo eater. The HP just pulls a phenomenal amount of watts, especially on grass.
    im not running stock
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  9. #9
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    Oh yeh, I remember, you have a castle 4 pole. Another lipo eater, but for a different reason
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  10. #10
    echthelion's Avatar
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    RE: C rating for 1/8 Flux HP


    ORIGINAL: Foxy

    Oh yeh, I remember, you have a castle 4 pole. Another lipo eater, but for a different reason
    ?? whys that
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  11. #11
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    lol, cos it's a total beast, can pull twice as much current as some 2-pole 550s. Don't worry, it just needs good lipos, it's not a problem or anything, it does convert those extra Cs into speed.
    Down with the crew known to pump up the bass...
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  12. #12
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP


    ORIGINAL: Foxy

    I'm surprised it puffed to be honest, at least on the first run. What was he doing? Full WoT runs up and down the street for the whole pack? Also, bear in mind it can happen to even the best batteries. If the hobby shop recommended them, they should warranty it, or at least give him credit toward a more expensive battery.
    Well now he tells me he was running at 3/4 throttle in 8" deep grass. I'm like "That'll do it!" I doubt the hobby shop we have carries 30c or more lipos. Im trying to coax him into the hobbyking lipos, but he is one of those "I want a name brand" people that the hobby shop carries in case he has issues.
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  13. #13

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    RE: C rating for 1/8 Flux HP


    ORIGINAL: cumminspower5.9


    ORIGINAL: Foxy

    I'm surprised it puffed to be honest, at least on the first run. What was he doing? Full WoT runs up and down the street for the whole pack? Also, bear in mind it can happen to even the best batteries. If the hobby shop recommended them, they should warranty it, or at least give him credit toward a more expensive battery.
    Well now he tells me he was running at 3/4 throttle in 8'' deep grass. I'm like ''That'll do it!'' I doubt the hobby shop we have carries 30c or more lipos. Im trying to coax him into the hobbyking lipos, but he is one of those ''I want a name brand'' people that the hobby shop carries in case he has issues.
    Then he should check out Venom. They off some stuff he might be interested in. Get two of these and he should be alright (would still get the Turnigy's though): http://www.venom-group.com/Store/Lan...Power-LiPO-UNI
    - Hobby Shop Employee
    - ModelKits.com & RcTruckStop.com Staff Writer

  14. #14
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    Well he wants 3s lipos. I know this sounds crazy, but he wants to find a 3s brand name that the LHS carries just in case he has any further issues, he can just go there instead of shipping a lipo back. They carry mostly Dynamite and venom. But I just can't see spending $100 a battery. Thought it's probably required for this truck. Can anyone recommend any 40c batteries, 3s lipo 5000mah for a good price? I keep telling him try hobbyking, but it's the same support answer.
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  15. #15
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    You can't tell a rock to split, you have to hit it with a hammer, try that.

    Tell him this...

    The caveat of using a cheap Chinese retailer, whose product is just as good as anybody else's, is that invariably their support is not as good.

    You have to buy from Hobbyking under the initial expectation that if you do get a dud, you are gonna have to eat it (by the way if you get a dead cell in a 3s, you can always turn it into a 2s easily). However, the batteries are so much cheaper, that if you get one dud every 5 ordered, you are still WAAAAAY up on your costs if you'd bought all venom.

    It's about expectations. Tell him aout the GensAce at hobbypartz as well, they are as good as the nanos according to certain youtube celebrities.
    Down with the crew known to pump up the bass...
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  16. #16
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    I have told him about you Foxy, about how you are a moderator and how I have gotten very useful information from you and that you definitely know what you are doing. He says you sound like a good helpful guy. But you are right, you can;t tell a rock to split. He just too darn hard headed as a beginner to the hobby. But aren't most beginners? lol I have explained he can get 3s 5000mah 40c lipos for half the price of the ones at the LHS. Boy have I got a long life ahead of me with him as my father in-law. I bought The onyx lipo. Graned it was only $45, I didn;t set my expectations high for a bg freakin lipo, so it was easy to buy it. Now IMO I can't see spending 80-100$ a battery. Ridonkulous.
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  17. #17
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    I'm just waiting for the 'Our latest member' on the homepage field to show 'Cummins's Dad'. lol.
    Down with the crew known to pump up the bass...
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  18. #18
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    Haha  it would probably be something relating to Johnny Cash. I told him to join, he says "I just don't understand those freakin' forum things!" But he should join...that way I don't have to do research for him lol.
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  19. #19
    echthelion's Avatar
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    RE: C rating for 1/8 Flux HP



    you could order some cheaper low mah 3s for the Flux HP to let him try them and if he hates them keep them for your XS

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  20. #20
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    I'm curious, what does an old school Johnny Cash fan think of his cover of Nine Inch Nails - Hurt. I'm a HUGE NIN fan and I love Johnny Cash's version too, it's just a great song.
    Down with the crew known to pump up the bass...
    We rock the joint at a cool, steady pace.
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  21. #21
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    Not sure lol. If I asked him he would probably say "Who the hell is Nine Inch Nails? Who names their band that?" I've heard it and I think it is pretty good.
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  22. #22
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    Don't tell him about NIN, just ask him if he thinks its a good song, if he's ever really listened to the lyrics (Johnny Cash's version I mean). After he tells you what he thinks of it, then you can tell him that the song was written by a musical prophet way ahead of his time, and that his work basically spawned the industrial metal scene 20 years ago. Then when he says 'what's industrial metal? Can I put it on my Savage??', send him to youtube to watch Jesus Built my Hotrod by Ministry lol. Then tell him that Johnny Cash had a huge amount of respect for Trent Reznor (NIN front man and the musical prophet to whom I refer).

    On the other hand if you're not a big music lover yourself, don't bother. lol. He'll just wonder what you've been smoking.
    Down with the crew known to pump up the bass...
    We rock the joint at a cool, steady pace.
    Foxy
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  23. #23
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    Haha after reading that, I'm wondering what you've been smoking. That was a confusion and a half. Sounds funny though. I'll have to let him know. He is a big Cash fan so maybe he will get it? IDK lol too funny
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  24. #24
    cumminspower5.9's Avatar
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    RE: C rating for 1/8 Flux HP

    Well Foxy, I asked him about the whole NIN and Cash song "Hurt". He knew excacty what you were talking about lol. He was like "Man this guy sounds like a trip!, That's too funny". He says he has got to join this forum, whether he knows what he's doing or not.

    But he went to the LHS yesterday. They said they can't do anything about the puffed batteries, and that he had to go to the supplier (dynamite/horizon hobby) so he called and they are sending him 1 30c lipo for replacement. so now he has to buy another. he isn't too thrilled with the LHS. I think I've almost got him to buy batteries from hobbyking tho
    -Aerodynamics and turbos are for people who can't build motors.

    Ofna LX2e-4s
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  25. #25
    Community Moderators Foxy's Avatar
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    RE: C rating for 1/8 Flux HP

    Hm... I guess its too much trouble for them to proces the warranty return for him. That's pretty shameful to be honest, but it's what we've come to expect. The same shops will be crying 'why hast thou forsaken me!?' when they close, it won't occur to them that it was totally their fault, that an LHS exists to provide local support to hobbyists, and if it doesn't do that, then why the hell would anyone pay the inflated prices, when they can order from ebay with no expectatoins of support. No way I'd line the pockets of a hobby store, who albeit in a nice way, said to me 'it's your problem' when I was dissatisfied with a brand new product I had bought.
    Down with the crew known to pump up the bass...
    We rock the joint at a cool, steady pace.
    Foxy
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