battery location
Discussion
Has anybody ever re-located the battery? My dear girlfriend is posessed of lovely long pins and hates the griff because she has to sit in it like a peruvian mummy, I will take the car off the road for the winter for tlc and because it is not much fun most of the time in the winter, so I have been toying with a project to move the battery to a more friendly location. Bloody glove box is going too...
Has it baan done, can it be done, any ideas welcome.
Cheers
Dan
Has it baan done, can it be done, any ideas welcome.
Cheers
Dan
quote:
Has it baan done, can it be done, any ideas welcome.
It has been put in the boot but as the fuel tank and associated bits are in there, this is not a good idea. More unexploded car bombs. You need a bulkhead or two between them to meet regs.
Unless you also relocate the ECU, wiring loom etc, you are not going to get not that much space anyway.
Steve
why not have two small 6 volt batteries like an old MGB? .. yuo could let those down into the rear parcel shelf area with a very strong glass fibre enclosure , well sealed and covered so they didn't fly forwards in an accident. Or how about one of those expensive gel slimline ones - you could mount that immediately in front of her seat so her legs go over the top of it and cover it in nice carpet. I'm sure there's lots of scope for this one.
quote:
Did I hear about one in the engine bay? Will it not fit next to the Air Filter at the front? Or where the alarm 'should' be?
Edited to try to sound helpfull.
>> Edited by Scruff400 on Wednesday 25th September 18:47
Putting 20+ kg at the extremity of the car does wonders for its handling. Makes spins even faster!
As for Gel batteries... I use them on the 520 to save weight but they hate low current drains and leaving the car with the alarm one will kill them quite quickly. With the 520, not an issue but for day to day road car it is a bit of an issue.
The MGB ones don't have the cranking power.
Steve
just returned dissapointadly early fro the pub so excuss any stupid comments but,
But by now i would've been a battery of a smaller size that could do the same job.I mean if u look how technology has advanced in say the mobile phone how come the batterys have got smaller but last longer,and they can do more.
Lap tops the same,
So shirley theres somthing out there but i suppose its down to cost.
BB
But by now i would've been a battery of a smaller size that could do the same job.I mean if u look how technology has advanced in say the mobile phone how come the batterys have got smaller but last longer,and they can do more.
Lap tops the same,
So shirley theres somthing out there but i suppose its down to cost.
BB
quote:
"Putting 20+ kg at the extremity of the car does wonders for its handling. Makes spins even faster!"
Not sure that your right on this one Steve. Would it not "spin" more slowly.
:runsforcover:Mike
I removed the rear undertray spoiler on the 520 a few years ago and found that it weighed 25KG and suddenly the handling was a lot better. The tendency for the back of the car to move sideways was greatly reduced. Removed Headlamp pods etc at the front and got another improvement. .
The problem is that the weight creates a lot of mementum when the car starts to break and this contributes to the car's tendency to spin. It is also increases the correction that you need to apply. It could be argued that the extra weight would slow it down and improve grip which is why concrete is an invaluable performance aid for Imps and Capris but the TVRs are so overpowered, this is not an issue.
So comparing the two with and without weight, the without weight is less likely to spin and is more stable compared to one with the weight. Conversely adding weight will increase the likelihood of the car spinning and therefore has a greater tendency to spin. Once in it the extra momentum means that the car snaps more and therefore in a simplified vernacular way, spins even faster.
Steve
>> Edited by shpub on Thursday 26th September 06:58
Steve,
"The problem is that the weight creates a lot of mementum when the car starts to break and this contributes to the car's tendency to spin. It is also increases the correction that you need to apply. It could be argued that the extra weight would slow it down and improve grip which is why concrete is an invaluable performance aid for Imps and Capris but the TVRs are so overpowered, this is not an issue."
I understand that extra kg mass on the tail will (all other things being equal) contribute to the car breaking away earlier. However, once the back end has come unstuck (again, all things being equal because there are a complex range of dynamic forces involved) the rate of "spin" ie speed would, I still believe, be slower than for a car such as a Griff with a low mass tail.
Consider why ice skaters start a spin with there arms out but then tuck there arms in to spin faster. Capris could be described as tail happy - meaning that they broke away early, but when they did spin (great wasn't it) it was much slower than in my Griff. OK there are a lot of factors to consider but I still beleive that the speed of "spin" is decreased by a larger tail mass.
Mike
PS. How did you know that I used to drive Imps and Capris?
>> Edited by MikeG on Thursday 26th September 08:58
"The problem is that the weight creates a lot of mementum when the car starts to break and this contributes to the car's tendency to spin. It is also increases the correction that you need to apply. It could be argued that the extra weight would slow it down and improve grip which is why concrete is an invaluable performance aid for Imps and Capris but the TVRs are so overpowered, this is not an issue."
I understand that extra kg mass on the tail will (all other things being equal) contribute to the car breaking away earlier. However, once the back end has come unstuck (again, all things being equal because there are a complex range of dynamic forces involved) the rate of "spin" ie speed would, I still believe, be slower than for a car such as a Griff with a low mass tail.
Consider why ice skaters start a spin with there arms out but then tuck there arms in to spin faster. Capris could be described as tail happy - meaning that they broke away early, but when they did spin (great wasn't it) it was much slower than in my Griff. OK there are a lot of factors to consider but I still beleive that the speed of "spin" is decreased by a larger tail mass.
Mike
PS. How did you know that I used to drive Imps and Capris?
>> Edited by MikeG on Thursday 26th September 08:58
I thing I was really referring to the tendency to spin more than anything although the analogy of the ice skater is an interesting one as the friction issue probably has a huge effect. I also seem to remember that the spin speed is faster to conserve the momentum because of the smaller radius so the speed of a point stays consistent.
In reality I was really referring to the tendency to spin and the speed in which you go from "hmmmmm to oh my god". As for Imps and Capris... takes one to know one! I got banned from driving my bosses 3 litre Capri because I sacred him so much in it on one trip.
Anyway not a good idea from a handling point of view.
Steve
>> Edited by shpub on Thursday 26th September 09:17
In reality I was really referring to the tendency to spin and the speed in which you go from "hmmmmm to oh my god". As for Imps and Capris... takes one to know one! I got banned from driving my bosses 3 litre Capri because I sacred him so much in it on one trip.
Anyway not a good idea from a handling point of view.
Steve
>> Edited by shpub on Thursday 26th September 09:17
Moving the battery from passenger footwell to buried in nearside wing like a Cerbera (if it were technically possible) would not make the battery further forward, just a little higher than before. I think! Not ideal for the purists of course as it would raise the car's centre of gravity a bit, but for 'normal' use the extra legroom might be worth the trade-off.
Thanks for all the replies, I have applied to the relevant authorities for a picture of the offending articles, but I fear you will have to wait until BTaP for that priviledge. Those without tickets will miss out.
I had tought of three places for the battery. Firstly behind the passenger seat, secondly in the front wing void and finally in the Boot (which is not a problem in my XJS where the fuel pump is next to the battery and the tank..
I had tought of three places for the battery. Firstly behind the passenger seat, secondly in the front wing void and finally in the Boot (which is not a problem in my XJS where the fuel pump is next to the battery and the tank..
Before you go to all the trouble of relocating the battery etc, can I suggest you check if all the kit down there is in its proper place? I tidied all mine up including replacing the battery box with a more compact version and gained about 3 or 4 inches more legroom which made all the difference - 5' 10" shouldn't be a problem!
Graham
Graham
'Firstly behind the passenger seat...'
But then the space you save at the front will be lost at the rear...?
'in the Boot'
You sure you could still get the roof panel in?
My vote is still for the front nearside wing - but I don't know what gubbins is underneath - and I'm the bloke who tried to shorten a corded curtain rail by cutting it through the middle - I saw these little fluffy nylon ends peeping out from the cut - doh!!
But then the space you save at the front will be lost at the rear...?
'in the Boot'
You sure you could still get the roof panel in?
My vote is still for the front nearside wing - but I don't know what gubbins is underneath - and I'm the bloke who tried to shorten a corded curtain rail by cutting it through the middle - I saw these little fluffy nylon ends peeping out from the cut - doh!!
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