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My 120mph speedo alternative
https://www.ausmini.com/forums/viewtopic.php?f=2&t=10562		 Page 1 of 1
Author:  JC [ Sun Aug 28, 2005 10:48 am ]
Post subject:  My 120mph speedo alternative
Image

http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=4569289110&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

Not sure what I'm going to do for a fuel gauge though.
Author:  Metalfab_101 [ Sun Aug 28, 2005 10:58 am ]
Post subject: 
Nice pick up. it's even a Smiths :wink:

How big is it?
Author:  willy [ Sun Aug 28, 2005 10:59 am ]
Post subject: 
Bungholio :shock:
Author:  JC [ Sun Aug 28, 2005 11:27 am ]
Post subject: 
Metalfab_101 wrote:
Nice pick up. it's even a Smiths :wink:

How big is it?


Same size as the mini one, 5inch. I was thinking that the trip meter would be a good way of knowing how much fuel was left. Can't see how the trip meter is reset though.
Author:  poeee [ Sun Aug 28, 2005 12:09 pm ]
Post subject: 
I didn't see the trip meter, nor the price you payed. Great find man! Is it going in a normal Mini centre dash thinga?
Author:  benjamin [ Sun Aug 28, 2005 12:17 pm ]
Post subject: 
use the 3 clock cooper thing put that in the middle and fuel on one side and water on the other side :wink:
Author:  Zizzle [ Sun Aug 28, 2005 12:47 pm ]
Post subject: 
Fuel is easy. Just grab a meter from your nearest Jaycar.

Actually, I'd go for a solid state setup. Either a little led bar graph, or a 7-segment digital read out. Easy done. I'll give you a hand when you get to the point that it is actually burning fuel :D

Something like this could easily adapted.
http://www.jaycar.com.au/productView.asp?ID=KA1683&CATID=25&SUBCATID=347

Image

We could make the display a little neater using something like this.
Image[/url]
Author:  13secmini [ Sun Aug 28, 2005 1:01 pm ]
Post subject: 
zizzle how would you be able to use that battery meter for a fuel gauge?? i would like to know as im looking for something to tell me how much fuel i have. I got the normal clubbie sender in the tank, do i hook something like that upto it? Or does it need to be modified?
Author:  Zizzle [ Sun Aug 28, 2005 1:16 pm ]
Post subject: 
I'm not sure if the clubby sender in the same, but on my van it is just a potentiometer. And I can't remeber whether the sender is closed circuit when the tank is full or empty, but that shouldn't matter.

So the strategy would be this:

a) setup a 7810 or similar voltage regulator to give us a stead 10v no matter what the battery voltage.
b) feed the sender from that supply via a resitor approx. the same value as the sender max. This means the voltage on the wire to the tank will swing between 0 and 5V.
c) recalibrate the LED display to display full scale at 5V. Move the leds so that the red is after the yellow at the low end (red when nearly empty).
d) build up a nice little case to mount it in the dash.
Author:  JC [ Sun Aug 28, 2005 3:29 pm ]
Post subject: 
Zizzle wrote:
I'll give you a hand when you get to the point that it is actually burning fuel :D


Deal!
Author:  J_A_M [ Sun Aug 28, 2005 8:04 pm ]
Post subject: 
thats cheap, the seller must be spewing!
Author:  JC [ Sun Aug 28, 2005 8:07 pm ]
Post subject: 
J_A_M wrote:
thats cheap, the seller must be spewing!


Or laughing it up that some clown has paid $5k for a speedo that may not work.......
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