#16: Re: Battery in boot. Author: Seabook, Posted: Tue Nov 06, 2012 5:52 pm ----
MrBSI wrote:
Seabook wrote:
pug206lx wrote:
In some cases it could go pop and throw acid about. Seen this happen personally before and it went with a bang.
in that case i will be more happy if it happens in the boot
1.3 ton reach truck battery goes bang well
We where finding bits of the cell top plastic case for weeks afterwards, the whole floor shook
Good job we where upstairs in the canteen
Not surprise about the power of hydrogen explosion.
last time there is a hydrogen leakage in one of our system at work and it blown up the whole floor. The concrete ceiling was completely gone even the explosion was behind reinforced glass.
#17: Re: Battery in boot. Author: 138Andy, Location: NottsPosted: Tue Nov 06, 2012 5:55 pm ----
14hdi wrote:
I have a 1.4hdi and am planning on putting the battery in the boot and not sure if any one has a guide of it on here. So what thickness of cable will i need?
if its something you want to do/ experiment with mate then go for it as long as its done properly then there wont be a problem it wont be the first car to have this done and im positive it wont be the last.
#18: Re: Battery in boot. Author: 14hdi, Posted: Tue Nov 06, 2012 6:41 pm ---- Well i wanted to fit a charge cooler in its place as there is minimal space under the bonnet, plus i want my car to look innocent on the outside so don't want an intercooler. And i am aware that the battery will need to be vented due to the hydrogen given off by battery depending on type of battery that is used.
Any idea on wire ?
I think 170 amp will be fine, running both positive and negative as i don't think i would be able to get sufficient earth in the boot.
Looking on the forum cant find a guide so maybe i should make one unless there is already one out there.
Thanks Mike
#19: Re: Battery in boot. Author: spike_202, Location: West midsPosted: Tue Nov 06, 2012 7:03 pm ---- Also it being a diesel it has a higher surge/start curent draw so make sure you take that into account when choosing cable size or you'll just melt the cable.then there will bare conducter touching the chassis = fire.
#20: Re: Battery in boot. Author: Seabook, Posted: Tue Nov 06, 2012 7:14 pm ----
14hdi wrote:
Well i wanted to fit a charge cooler in its place as there is minimal space under the bonnet, plus i want my car to look innocent on the outside so don't want an intercooler. And i am aware that the battery will need to be vented due to the hydrogen given off by battery depending on type of battery that is used.
Any idea on wire ?
I think 170 amp will be fine, running both positive and negative as i don't think i would be able to get sufficient earth in the boot.
Looking on the forum cant find a guide so maybe i should make one unless there is already one out there.
Thanks Mike
charge cooler is a bad ideal. in fact i just sold my setup not a long ago.
Did you not check people's reply?
0 AWG wire is the thinnest you can use; also need a very good battery or you will not be able to start in winter; any wire thinner than that are just asking for trouble.
once you moved the battery you will instantly notice the cranking is a lot weaker than before.
such an easy task it hardly worth to write a guide
#21: Re: Battery in boot. Author: Edward, Location: In the garagePosted: Wed Nov 07, 2012 2:03 am ---- Why not just fit a small intercooler? I.e don't go for the worlds biggest cooler like most seem to do.
#22: Re: Battery in boot. Author: 14hdi, Posted: Wed Nov 07, 2012 11:23 am ---- Just thought i would go charge cooler and be different.
The intake temperature of my car is 120c now its mapped. So a small intercooler wont be up to the job of getting it down and around 60c.
#23: Re: Battery in boot. Author: Seabook, Posted: Wed Nov 07, 2012 11:47 am ---- like i said above you have been warned
#24: Re: Battery in boot. Author: 14hdi, Posted: Wed Nov 07, 2012 1:50 pm ---- What is it about a charge cooler which is a bad idea ?
Thanks Mike
#25: Re: Battery in boot. Author: Seabook, Posted: Wed Nov 07, 2012 2:34 pm ----
14hdi wrote:
What is it about a charge cooler which is a bad idea ?
Thanks Mike
price: a good charge cooler core wasn't cheap and you can hardly find any cheap supplier unlike intercooler. The smallest and cheapest charge cooler core you looking at is around 275, bosch pump will be another 100; radiator will be another 50-100 while you can get a intercooler around 75?
weight: cooler core, pump, radiator, coolant. quite a bit heavier than intercooler.
heat soaked: to cope with the heat soak you need a big radiator and more coolant.
The only good thing is the cooler core always has higher efficient than intercooler (provided they are the same size), so you can use a smaller core to give the same cooling power (assuming no heat soak so excess coolant is required)
And i never manage to get good power from charge cooler, heat soak is a big problem in my case (i use 235x242x29 radiator and about 1/2L of coolant), everything is boiling hot if you drive hard
#26: Re: Battery in boot. Author: 14hdi, Posted: Wed Nov 07, 2012 2:38 pm ---- What is it you mean by heat soak, is this the transfer of heat through the cooler. If you have experience with charge coolers, what radiator would you recommend. Am thinking of using a radiator from an old mini as it will fit in the bumper nice and has an expansion tank fitted. ( only on a 1.4 hdi with air flow around 680-700)
Thanks from mike
#27: Re: Battery in boot. Author: Seabook, Posted: Wed Nov 07, 2012 2:43 pm ---- heat soak will be both: heat transfer from the coolant to the radiator not fast enough and the engine bay is cooking up the cooling core.
i was looking at getting a 26"x7"x2" radiator but after a serious thinking i binned the plan and sold the kit.
#28: Re: Battery in boot. Author: kandlbarrett, Location: SwindonPosted: Thu Nov 08, 2012 7:32 am ---- Simple maths:-
0.1 ohm resistance will limit the current flow to your starter motor to 120A (well between 120 and 140 depending on state of charge.) Your deisel will need more than that to start from cold.
I am not saying that the long cable will have that effect just demonstrating the VERY small amount of resistance that it takes to prevent your car from starting.
Also bear in mind that due to internal resistance a smaller cable will get hotter than a large one and increase the risk of it and anything it touches melting.
Batteries in boots can work but I would NOT want one in the same compartment as the passengers and with the 206 that is effectively what you have. I have seen batteries explode and that is what they do - explode and then splash everything with hot acid.
The last new car design I know of with batteries in the same compartment as the passengers was the MGB (1960 - 1970 design with series connected 6V batteries) and some of those caused a few problems! Most owners of these cars have now found a way to fit 12V batteries under the bonnet.
#29: Re: Battery in boot. Author: bezford, Location: darlingtonPosted: Thu Nov 08, 2012 7:51 pm ---- Im not familiar with the fitting of an intercooler in a car?whats the point?
#30: Re: Battery in boot. Author: Edward, Location: In the garagePosted: Fri Nov 09, 2012 1:12 am ---- Loads of cars have the battery in the car. Citroen Picasso...loads of BMWs...it all depends on ventilation.
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