Mardave rules 2008

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Gazza
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Mardave rules 2008

Post by Gazza »

Mardave rules 2008 :? Re the mardave GP is there / will there be a battery limit. . .
What I mean is do I have to go and buy the LiPo batterys and charger as I can see these being used and its not really in the spirit of mardave Racing so how about a limit of say 3300 cells just a thought any comments from other (non sponsered) racers welcome
Note Im well out on electric racing so this may sound a dumb question if so :oops: :oops:
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Re: Mardave rules 2008

Post by warr2 »

Mardaves run on 4 cells or 4.8V total.

Lipo gives 7.4V (2 cells of 3.4V) so is roughly equivalent to 6 cell.

Expect a lot of people to be very unhappy if anybody tries putting a Lipo in there car, as it will make the car a lot, lot, quicker! (Or at least destroy the spur gear :D )
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Re: Mardave rules 2008

Post by Rich Pacey »

We would need to look at capacity issues. It gets really expensive when you start dictating what can and cant be used.

I recon 90% of mardaves racers at HRCCC run 4300.... A limit lower than this would render most of us ineligable.
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Re: Mardave rules 2008

Post by Gazza »

Rich Pacey wrote:We would need to look at capacity issues. It gets really expensive when you start dictating what can and cant be used.

I recon 90% of mardaves racers at HRCCC run 4300.... A limit lower than this would render most of us ineligable.
Yea its also expensive if WE ALL gotto get LIPO and a charger :wink: But dont forget thats just your club others may run other cells and you could be the minority :wink:

Ok so lets limit it to 3300 cells as they are on e bay at £9.00 a pack :o
http://cgi.ebay.co.uk/New-Battery-Pack- ... m153.l1262

warr2 wrote:Mardaves run on 4 cells or 4.8V total.

Lipo gives 7.4V (2 cells of 3.4V) so is roughly equivalent to 6 cell.
:oops: Just found this on the forum

"ELECTRICS
Any make of servo, servo saver or track rod ends may be used on the cars steering system.
Any type, make and capacity of speed controller may be used providing it includes reverse.
Cars to use four cells only, cells to be sub-C sized cells only, with a nominal voltage of 1.2 volts per cell, cells to be Nicad and Nimahs.

Well that clears that up . . . LI-Po's are out

So what we all rekon then no limit or stick to 3300 or 4300 etc
I guess the organiser better jump on this soon as it gives us 4 months to save up for batterys
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Re: Mardave rules 2008

Post by Gazza »

as per the rules on batterys to use the 2007 BRCA electric board approved battery list
http://hinckleyrccc.co.uk/MGP2008/rules.htm

and that states as below

2.6 In addition to batteries included on the homologation list, sports/starter level packs of cells that do not have OEM heatshrink, will be allowed at BRCA sanctioned events. These packs must have the original suppliers label intact, stating that they are NiCd or NiMH and the pack capacity. Maximum capacity is 3300mah. These batteries will be allowed at sanctioned events from 1st. Jan. 2007.

So the limit is 3300 cells if I have done my home work can some one confirm that I have this correct :oops:

Thanks Gazza
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Re: Mardave rules 2008

Post by Daz Lee »

Hi Gazza,

Sorry, I think you may have mis-understood the BRCA rules......

They state......In addition to batteries included in the homologation list......etc

This rule talks about the capacity limit (3300Mah) on 'pre-built' sport packs as these are not detailed on the homologation list......If you check the cells on the BRCA approved list/homologation list you will find that only '08' spec batteries are legal.....up to 4600Mah in some cases.

Now for my point of view...!

I currently use 4200Mah Intellect '07' spec batteries......but, according to the BRCA approved list these are no longer legal. Can one of the organisers of this event/the club (Roger/David T?) please confirm if these will be allowed at the GP? I understand we are running to BRCA rules where applicable and this renders my cells useless.! I am in a very similar position to Gazza and dont want to have to buy new cells when I have perfectly good ones already.

I think this needs clarifying as soon as possible as we run the risk of considerably reducing numbers if we all have to buy new '08' spec cells.......!

Somebody please clear this up once and for all?

Thanks
Daz
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Re: Mardave rules 2008

Post by Gazza »

:? Yea because that rule also states 2007 and not 2008
It would be better if some one could just say max battery limit is sub c **00 cells in nicad or nimh
this would clear up any mishaps and end this post.
As a new B to electrics its very confusing :oops:
So sorry but a straight forward limit of **00 cell is a lot better than looking for the list as I cant find it
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Re: Mardave rules 2008

Post by Daz Lee »

In that case.....I would say 4600Mah Nimh.

This is as far as I am aware currently the highest capacity cells available in Nimh form.

Hope this helps
Thanks
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Re: Mardave rules 2008

Post by Gazza »

Approved Rechargeable Batteries – the 2007 List.

Check this Link out (pdf) and I think that this is the list . . . again conformation from organiser’s will be appreciated
Daz Lee wrote:In that case.....I would say 4600Mah Nimh.

This is as far as I am aware currently the highest capacity cells available in Nimh form.

Hope this helps
Thanks
Daz
Yea only GOLD PEAK cells so if its another make sorry no good Daz :oops:
Image

So the list is below
http://www.brca.org/BRCA/elecboard/news ... %20pdf.pdf

Try your batterys with a picture here
http://www.efra.ws/pages/homologation/p ... 20pdf1.pdf <update 17 June
So to stop us all guessing is this the correct LIST :?


Reply from Roger
treasurer wrote:Gazza,

Please find attached a link to the BRCA 2007 Battery listing. All batteries contained in this listing can be used at the Mardave GP

http://www.brca.org/BRCA/elecboard/news ... 202007.pdf

Roger
Last edited by Gazza on Wed Jun 18, 2008 12:03 am, edited 1 time in total.
Daz Lee
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Re: Mardave rules 2008

Post by Daz Lee »

I dont think we can work to a list in this case as there isn't one list that covers all batteries. Although Roger Cosgrove has posted the 2007 list in oneof the other sections.

In my opinion It should be a combination of the 2007, and 2008 lists.....with the addition of GP3300, GP3700, Sanyo 2400.

Any others?

Thanks
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Re: Mardave rules 2008

Post by Gazza »

:D :D

Well here we go this from Roger

http://www.brca.org/BRCA/elecboard/news ... 202007.pdf

That clears that up I now have the list and my old 3300 batterys are on it ?
May get some more now ready for the GP

Again thanks Roger that clears it up
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Re: Mardave rules 2008

Post by Daz Lee »

Gazza,

Can I interest you in some GP3300's?

I have 6 x 6 cell packs just waiting for someone to do something with.......You can have the lot for £15.

Let me know
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Re: Mardave rules 2008

Post by Gazza »

Daz

I ASSuME they are old and you want rid :lol:
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Re: Mardave rules 2008

Post by Daz Lee »

Yes, they are from a few seasons ago.....I got them to test and build into 4 cell packs for mardave racing.

I then splashed out on new touring car cells and used my old ones (Intellect 4200Mah) for mardave. I therefore no longer have a use for these.

I would think that if cycled, tested and matched into 4 cell packs they would be pretty good but I just dont have the time.!
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Re: Mardave rules 2008

Post by Gazza »

:D LOL cycled and tested mean nothing to me i'm an I.C man 1/10th 835

Image

thanks for the offer Daz. but mine are about 4 or 5 yrs old already
hence why I will purchase new ones charge and run

so if i buy 3300 (new what trickle charge to start 500mm) then 3.3amp

or
so if i buy 4200 (new what trickle charge to start 500mm) then 4.2amp
Last edited by Gazza on Thu Jun 19, 2008 12:05 am, edited 1 time in total.
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