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Old 27-01-2014
alanwheeldon alanwheeldon is offline
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Default Convert lipo stick to saddle?

Can you convert a lipo stick pack to a saddle pack like you can with the old nicad battery's or do you have to buy a saddle pack?

Thinking of going from 2wd to 4wd but my stick packs won't fit into any 4wd models so it could be expensive
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Old 27-01-2014
mattr mattr is offline
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Probably, but you wouldn't be allowed to race with it.

And the parts you would need would probably cost as much as buying some new ones anyway.

HobbyKing nanotechs aren't too expensive, neither are gens ace.
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Old 27-01-2014
mattr mattr is offline
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Oh, and the first time you realise you've got it wrong is when your car explodes. Our the battery blows a hole in your worktop.
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Old 27-01-2014
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Nope.

You can buy the correct packs you need from Hobbyking for a bout £20 though.
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Old 27-01-2014
tonydevon tonydevon is offline
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yup 2nd that, I just bought some packs of nanotech saddle 4850 50/100c lipos this morning, think they were £21.25

comes with leads etc, while they may not be the top of the range packs I just cant justify the extra, and from readin gup on the turnigy stuff, it seems like good value for money

the £100 pack might make it a bit faster, but all that means is I will crash harder LOL
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Old 27-01-2014
spennyy2k spennyy2k is offline
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Also if your doing brca meetings the cells have to be approved

http://www.brca.org/content/homologa...-updates/14218
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Old 27-01-2014
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If you do attempt it please video it to use as a warning to others not to do it.

A lipo pack has full length flat cells in the case, attempting to cut them down or fold them in half can very quickly lead to a lipo fire.
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Old 27-01-2014
mattr mattr is offline
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Quote:
Originally Posted by terry.sc View Post
A lipo pack has full length flat cells in the case, attempting to cut them down or fold them in half can very quickly lead to a lipo fire.
the only hardcase stick I've cracked open had two stacks of three in it. Essentially the insides of a pair of saddles in one case.
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Old 27-01-2014
tonydevon tonydevon is offline
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Quote:
Originally Posted by spennyy2k View Post
Also if your doing brca meetings the cells have to be approved

http://www.brca.org/content/homologa...-updates/14218
is that only for BRCA events like nationals? what about club events?

would using a pack not on the list invalidate insurance at a club event?
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  #10  
Old 27-01-2014
vrooom vrooom is offline
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Sure, Take a handsaw and cut it in half *don't do it!*
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Old 27-01-2014
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BRCA Homologation lists are only needed at events that decide to use them, so nationals, and some regionals ([I]though not all, we don't use them in the SW currently for example, as our scrutineering only does the size/weight checks).

***EDIT*** I've just been informed by BRCA offroad section officials that use of the homologation lists at regional events is compulsory, and not part of the regional variation sections of the rule book. My apologies for the error. I consider myself duly corrected!

Although I believe the homologation process does do some safety type checks, it's main purpose at those events is to insure a level playing field for competitors, so it has no bearing on insurance. As I understand it, the BRCA insurance is only there to protect you from others suing you, and does not provide you personal accident cover.

Clubs don't normally bother using the BRCA lists for their regular racing, so any lipo is fine...however it's good practice to stick to hardcased ones at the very least...purely for the extra protection from puncturing.

It's my understanding that the only important part of the BRCA membership and insurance that relates to lipo's is in the general rules that state you should charge your drive cells in a fire proof container.
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Last edited by blue_pinky; 27-01-2014 at 10:28 PM. Reason: Correction to my understanding of the BRCA offroad section rules!!!
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Old 27-01-2014
RobW RobW is offline
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Can’t believe this thread has started discussing the technicalities of doing it and whether it would be legal to race.

Please just do not do it. Lipo fires are no joke and anything that could even potentially increase the risk should be prevented. You are going to be at risk during the conversion if you accidently split the lipo and they are never going to have the same structural integrity afterwards as a proper hardcase lipo with the increased risk of puncture.

Please just buy yourself a couple of packs of gen ace or nanotechs.

Rob
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Old 27-01-2014
tonydevon tonydevon is offline
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I wasnt asking about splitting packs and racing with them, Im not quite that dumb.

Im new to electric and wasnt aware that you have to have certain lipos to be allowed to race at BRCA events, thats what I was asking about.
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  #14  
Old 27-01-2014
vrooom vrooom is offline
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You don't need BRCA legals lipo for club racing... but make sure its hardcase lipo with good rating...
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Old 27-01-2014
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Quote:
Originally Posted by vrooom View Post
You don't need BRCA legals lipo for club racing... but make sure its hardcase lipo with good rating...
Whilst most clubs will let anyone race with a hardcase non-BRCA approved pack, like a turnigy from hobbyking, its a far cry from a hacked stick to saddle home brew lipo conversion. Whist both are not BRCA approved, I know which I'd bring into my house.
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  #16  
Old 27-01-2014
vrooom vrooom is offline
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I seen and set my lipo on fire once (old swelled pack), it was scary how fast and how far it can shoot the flames out. It is like a flamethrower and firebomb built in one.
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  #17  
Old 27-01-2014
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The Turnigy ones from Hobbyking are ROAR approved for the record.
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  #18  
Old 27-01-2014
alanwheeldon alanwheeldon is offline
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Well that answers my question guys. I wasnt sure if the 2 cells were just incased into one case and you could simply split the cells like the old batterys. Obviously you cant then! lol

Its a bit pointless buying the stick pack lipos in the first place then aint it?
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  #19  
Old 27-01-2014
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Quote:
Originally Posted by mattr View Post
the only hardcase stick I've cracked open had two stacks of three in it. Essentially the insides of a pair of saddles in one case.
Three packs I've had die on me have all been two full length cells on top of each other. Just because one pack contains two saddle size cells doesn't mean they all do.



Quote:
Originally Posted by Danosborne6661 View Post
The Turnigy ones from Hobbyking are ROAR approved for the record.
While ROAR approval is good regarding cell safety as it means they meet the same requirements as BRCA approved cells. But being ROAR approved doesn't make them legal for EFRA or BRCA events.
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  #20  
Old 27-01-2014
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As I've just added above in my original post...I've just been informed by BRCA offroad section officials that use of the homologation lists at regional events is compulsory, and not part of the regional variation sections of the rule book. My apologies for the error. I consider myself duly corrected!

Looks like the SW region is about to have the rules enforced a little better in 2014!
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