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AlignRC Thunder Power RC
Richardmid1

rrProfessor

Leeds, England

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Try this tool and see! I bet you don't!

http://jj604.com/LiPoTool/

Still believe the hype?!

60% of the time, it works every time!

08-15-2016 02:46 PM
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helifanatix

Veteran

Fountain Valley, CA

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So does any of your favorite Turngy packs get up to 30C?

- Scott

08-15-2016 02:57 PM
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Richardmid1

rrProfessor

Leeds, England

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Yep, most of the 20C Turnigy's come in above 20C and some are actually nearer 30C!

Honestly if you were buying in cells and putting packs together with your own labels and there was no easy way to test C ratings, wouldn't you try to be competitive or better than other Li-po's out there??

We are being lied to, they haven't suddenly invented a better type of Li-po that can discharge at 50, 60 or 70C!

60% of the time, it works every time!

08-15-2016 03:39 PM
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LaDon

Veteran

Fort Dodge .Ia

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Dosent really matter even if they do. Your system will only take what it will need. Nobody is continuously pulling 300amps. Some might peak it but no Heli sustains it. Ppl can believe what they want but I can say this much. If I used 2 turnigys in Ryan's helis the way he flies they are a puffed up mess in 20 flights and junk. They can't take the constant hard flying. Pulse and thunderpower can for hundreds of flights. I don't care what they put on for c rating I want mine to hold up so that is what I go by

Team Jr

08-15-2016 06:18 PM
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Richardmid1

rrProfessor

Leeds, England

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Were they new Turnigys? Were they broken in carefully? Were they checked when you got them to check they were OK and balanced?

The only problem with Turnigys is the cell matching QC. People just buy them charge them and fly them hard without checking them because they are cheap, they also don't care for them like they would a more expensive lipo and even fly them for too long each flight again because they are cheap. Then they moan that they didn't last long!

60% of the time, it works every time!

08-15-2016 06:26 PM
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LaDon

Veteran

Fort Dodge .Ia

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I don't do anything different with them than I did with any others. You have to remember here tho when flown there is no mercy on them. They are cheap for a reason. There is also a reason nobody that is in the top 10% of the flyer capability don't use them.

Team Jr

08-15-2016 06:34 PM
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Richardmid1

rrProfessor

Leeds, England

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The top pilots also get sucked into the whole 'the higher the C rating the better' thing. Also most are sponsored by a lipo brand so have to use those.

If you are puffing packs in 20 flights you either had a bad one from the start which you failed to recognise of your setup isn't very efficient.

60% of the time, it works every time!

08-15-2016 06:54 PM
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LaDon

Veteran

Fort Dodge .Ia

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Don't go there. My setup is fine I didn't start flying yesterday

Sorry they are junk period. I have friends that are 65 years old that fly them easy and they puffed in 20 flights. Put in pulses and hundreds no problem. Same setup. Believe what you would like but if there was no differences in batteries you couldn't just change the packs and puffing is gone.

Also say what you want about the pros but they are not gonna lose a competition just for a free something or other. I will gaurentee you Jamie Robertson would not lose a competition for anything. He would buy them cheap packs if it meant he could win with them.

Team Jr

08-15-2016 07:57 PM
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Heli_Splatter

Key Veteran

Silver Spring, MD by way of Sidney, Ne - USA

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Keep in mind, there are only three or so LiPo manufacturers. There are various grades of battery.

Bang on what ever brand you wish, most come from the same factory.

The C rating is an Industry Joke.

08-15-2016 08:18 PM
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Andy from Sandy

Key Veteran

Bedfordshire, UK

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It starts with this thread here:
http://www.rcgroups.com/forums/show...01#post20484169
I have a Wayne Giles meter and I bought it around the time that gens ace came out with their 25C rated packs. Using the meter they were a real 25C pack. At that no other packs measured up.

Unfortunately the thread is technical and most people can't be bothered with it. The masses never got going to challenge the manufacturers figures on the side of a pack.

08-15-2016 08:24 PM
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LaDon

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Fort Dodge .Ia

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I have never said they will make the c rating. What I will say tho is the higher c rated batteries do run cooler. That alone makes them last longer as heat kills.

Team Jr

08-15-2016 08:26 PM
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Richardmid1

rrProfessor

Leeds, England

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I'm sure the likes of TP can go as high as 30C maybe upto 35C but no higher, anything labeled as higher is just marketing bull***t!

I too didn't start flying yesterday and can run a lipo down in less than 4 minutes and have never puffed even a 20C pack so I've no idea what you or your old hovering buddies are doing with them!

60% of the time, it works every time!

08-15-2016 08:38 PM
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LaDon

Veteran

Fort Dodge .Ia

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Ok
I am sure my revolectrix charger is junk along with their I chargers. Maybe that is it. Oh and I know the one guy charges at no more than 1c. Maybe he needs to turn it down? Give us some help then to fix it instead of telling everyone they are stupid or have crap for equipment

Team Jr

08-15-2016 10:10 PM
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LaDon

Veteran

Fort Dodge .Ia

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And like I said which you seem to not read " I never said they make the c rating" all I have ever said was that it helps keep heat down.

Team Jr

08-15-2016 10:14 PM
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LaDon

Veteran

Fort Dodge .Ia

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Really the truth is Richard this c rating deal has been hashed over so many times it is not even worth talking about. Really with some common sense thinking you cant pull that many amps continuous. If you could you would need welding cables on there to handle the load not the little wires they have. Burst yes but for a continuous 3 min no. I think everyone can agree to that.

Team Jr

08-15-2016 11:21 PM
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Richardmid1

rrProfessor

Leeds, England

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Give us some help then to fix it instead of telling everyone they are stupid or have crap for equipment
I haven't said anything of the sort!

I have read every word you said and although at first admittedly I didn't quite understand your wording, when you said "they don't make their C rating" I now understand what you mean.

I'm not talking how much current is drawn for how long, wire guage, connector type and soldering skills, I'm talking about C ratings stated on the packs and the fact we pay more the higher the C rating!.... Well most do, I don't!

The fact that you and indeed nearly everyone else falls for the "***NEW 90C LIPOS***" advertising bull***t just makes them get more and more ridiculous and more expensive!

Yes the likes of Turnigy don't have as good QC as say TP when it comes to matching cells but if you do a little QC yourself as soon as you get the pack you can get a replacement, all you have to do is email photographic evidence to them, you don't need to send the pack back. Get a good Turnigy pack however which is 95% of the time and you have a very good pack which can match the likes of TP!

Believe me or don't believe me it's your money.

60% of the time, it works every time!

08-16-2016 07:36 AM
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Dan Minick

Key Veteran

Columbus, WI

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I dont care what the rating says, I need a pack that I can beat on, get performance out of and still use it again tomorrow and the next day. Turnigy is not that pack, nor will it ever be.

Maybe Turnigy should start putting aluminum plates inside the heat shrink like Pulse. That way you will never even notice the puffing until all your stuff is in a blaze of fire and gone forever.

Team Synergy, Team FBL Rotors---Formerly Dyecocker1-------if its not broke...it will be!

08-16-2016 12:14 PM
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AirWolfRC

rrProfessor

42½ N, 83½ W

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It would be better if the manufacturers would just post their internal resistances. The lower the better.

You know . . . like like servo travel times and transmitter/receiver latencies

08-16-2016 04:07 PM
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Busher

Key Veteran

Manchester, England

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Richard,

Which turnigy lipos do you recommend and at what c rating, I'm about to get a few packs for my 700, any pointers that could save a few beans would be appreciated.

Good luck
Busher

08-16-2016 04:38 PM
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BJames111

Elite Veteran

San Diego, California

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There's a guy on one of the "other" sites that did a lot of testing of Lipos. There's A LOT of BS going on in "c" ratings, of course we have all suspected that for years. One of the absolute worst offenders was TP, which is a shame as they used to be one of, if not the best.

"c" rating tests are not standardized within manufacturing, so in addition to outright lying, we never know exactly what test method was used so the information is misleading at best.

Generally, from what I understand, C ratings are made from testing ONE cell, and soldering huge wire gauge directly to the tabs of the cell, and applying the load.

Simalarly, a friend of mine, used to work in the car audio business, and a lot of amplifier manufacturers would claim an RMS peak number for their amps. He dubbed this test "IFL". Means, yeah, it'll do 500 watts, IFL. (if hit by lightning) haha

08-16-2016 04:42 PM
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