Ausmini
It is currently Fri Jul 11, 2025 3:28 pm

All times are UTC + 10 hours




Post new topic Reply to topic  [ 21 posts ]  Go to page 1, 2  Next
Author Message
 Post subject: water pumps
PostPosted: Sun Jan 18, 2009 8:06 pm 
Offline
998cc
998cc
User avatar

Joined: Tue Sep 19, 2006 1:20 pm
Posts: 883
Location: Airport West
Has anyone tried to use an electric water pump? If so how did you go .....

_________________
120bhp with 450kg just fun waiting to happen

We were prob. drunk when we set it up last and thought this will be a good idea


Top
 Profile  
 
 Post subject: Why
PostPosted: Sun Jan 18, 2009 8:55 pm 
Offline
Rover Cooper
User avatar

Joined: Sat Feb 03, 2007 9:15 am
Posts: 2401
Location: Werribee Vic. RETIRED - VMCI 3225 ,
simple question.........WHY would you want to............................. :roll:

_________________
Image


Top
 Profile  
 
 Post subject: Re: Why
PostPosted: Sun Jan 18, 2009 9:01 pm 
Offline
Milatsmadmini
User avatar

Joined: Mon Nov 12, 2007 6:57 pm
Posts: 6287
Location: the inner west of sydeney!
Davo111 wrote:
simple question.........WHY would you want to............................. :roll:


cha.... :?

_________________
Here am I sitting in my tin can far above the Moon
Planet Earth is blue and there's nothing I can do...



“A turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.” - Jeremy Clarkson


Top
 Profile  
 
 Post subject:
PostPosted: Sun Jan 18, 2009 9:09 pm 
Offline
1098cc
1098cc
User avatar

Joined: Sun Feb 11, 2007 2:21 pm
Posts: 1612
Location: Soon to be Newcastle
same reasons as a thermo fan?

stuck at lights, still get full water flow, independent of engine revs
less load on engine

also, no thermostat required as the electric water pump controls flow vs water temp.

_________________
tim
68 Deluxe 1293, HIF44, megajolt/EDIS4, daihatsu alternator..

'a mini is for life, not just for christmas!'


Top
 Profile  
 
 Post subject:
PostPosted: Sun Jan 18, 2009 9:25 pm 
Offline
1275cc
1275cc
User avatar

Joined: Sun Jul 01, 2007 11:25 pm
Posts: 5174
Location: Greensborough, Victoria
Not on a mini or mini engine. On the engine i fitted to worked quite well, had thermo fans with a switch in the top tank of radiator. Dont know how long the pump motor or the plastic body would last but thats the chance you take i guess.

_________________
http://www.youtube.com/watch?v=nDMkVq1jRGU


Top
 Profile  
 
 Post subject:
PostPosted: Sun Jan 18, 2009 9:27 pm 
Offline
SooperDooperMiniCooper ExpertEngineering
User avatar

Joined: Fri Apr 29, 2005 9:46 am
Posts: 18887
Location: Under the bonnet son!
BALLISTIC wrote:
Not on a mini or mini engine. On the engine i fitted to worked quite well, had thermo fans with a switch in the top tank of radiator. Dont know how long the pump motor or the plastic body would last but thats the chance you take i guess.


If it supplements the original water pump which needs to stay in place, then there's no harm I guess if it does die......that is if water can still flow through it stopped...Is it a centrifugal pump or positive displacement?

_________________
SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.


Top
 Profile  
 
 Post subject:
PostPosted: Sun Jan 18, 2009 9:34 pm 
Offline
1275cc
1275cc
User avatar

Joined: Sun Jul 01, 2007 11:25 pm
Posts: 5174
Location: Greensborough, Victoria
its been a while since i fitted one but i think it was centifugal and it was attached to a warm V8 :wink: Once it stops pumping the water aint goin' to circulate anywhere, except to boiling point!!

_________________
http://www.youtube.com/watch?v=nDMkVq1jRGU


Top
 Profile  
 
 Post subject:
PostPosted: Sun Jan 18, 2009 10:10 pm 
Offline
SooperDooperMiniCooper ExpertEngineering
User avatar

Joined: Fri Apr 29, 2005 9:46 am
Posts: 18887
Location: Under the bonnet son!
Centrifugal should still allow the coolant to bleed through the vanes like the standard pump (at least one would hope so).

_________________
SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.


Top
 Profile  
 
 Post subject: re: electric water pump
PostPosted: Mon Jan 19, 2009 9:10 am 
Offline
848cc
848cc

Joined: Wed Apr 26, 2006 1:50 pm
Posts: 127
Location: Melbourne, VIC
Yep i've got one on mine - see picture here.
Image

Let me tell you it is not a simple 'bolt-on' addition. Probably 20 man-hours were spent with wiring and bracket making, testing and re-testing and deciding on the best location(s). I used the latest davies craig one.

The pump/controller works very well to cool down a car after turning it off.
The ewp runs for about 2 minutes after shutting off the car, then start up again for 30 secs for a second round of cooling after temp. rises slightly.

I have spent alot of time to get it working in a race environment.

I don't know why people are always saying 'but what if it dies?'. What if you lose oil pressure? Pull the car over and get it fixed!!! I've had it on for 2.5 years with no reliability problems.

There'd be little point putting it on as a supplemental water pump - flow rate isn't the problem with the mini cooling system, it's getting air through the damn radiator that's side-mounted!

This becomes more of a problem with no motor-driven fan as thermofans don't pump as much air. Some guys run auxiliary heaters / radiators at the front of the car to drop the temp. another 5 - 10 degrees.

The car loves to rev, and if you take the alternator off it goes even better.
I'm using a thermostat blanking plate (ie. thermostat always open).

Feel free to ask me any questions - if they're specifics PM me.

Rob


Top
 Profile  
 
PostPosted: Mon Jan 19, 2009 9:30 am 
Offline
SooperDooperMiniCooper ExpertEngineering
User avatar

Joined: Fri Apr 29, 2005 9:46 am
Posts: 18887
Location: Under the bonnet son!
smiling_simon wrote:
I don't know why people are always saying 'but what if it dies?'.


Not everyone is within 200 meters of their waiting tow car with trailer is why.

_________________
SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.


Top
 Profile  
 
PostPosted: Mon Jan 19, 2009 10:29 am 
Offline
848cc
848cc

Joined: Wed Apr 26, 2006 1:50 pm
Posts: 127
Location: Melbourne, VIC
Mick wrote:
Not everyone is within 200 meters of their waiting tow car with trailer is why.


Funny, I don't take a trailer to race events. Besides it wouldn't be any different if you suddenly lost oil pressure or your brakes stopped working, or your fan belt snapped.


Top
 Profile  
 
 Post subject:
PostPosted: Mon Jan 19, 2009 11:00 am 
Offline
848cc
848cc
User avatar

Joined: Sun Nov 02, 2008 9:04 am
Posts: 86
Location: Adelaide S.A
what did you fabricate to cover the water pump hole? was it something like this?

Image

_________________
1969 Blue Mini K, 1330cc, Weber 45, polished aluminum roll cage, Race seats, 4 point harness, full rewire incorporating 8 fuses, 6 relays and new headlights :) just needs tyres front shocks and a windscreen til re-register


Top
 Profile  
 
 Post subject:
PostPosted: Mon Jan 19, 2009 11:58 am 
Offline
848cc
848cc
User avatar

Joined: Tue Feb 20, 2007 12:44 pm
Posts: 396
Location: Sydney
I think the easiest way to block the water pump hole would be to get a knackered water pump, remove the impeller and replace it with a plug. You can then use the standard hoses.

Pete


Top
 Profile  
 
 Post subject:
PostPosted: Mon Jan 19, 2009 12:01 pm 
Offline
848cc
848cc
User avatar

Joined: Sun Nov 02, 2008 9:04 am
Posts: 86
Location: Adelaide S.A
have you ever tryed removing the impellar on one of those?
i bent half me tools and the impeller

unless you mean anglegrind it ?

_________________
1969 Blue Mini K, 1330cc, Weber 45, polished aluminum roll cage, Race seats, 4 point harness, full rewire incorporating 8 fuses, 6 relays and new headlights :) just needs tyres front shocks and a windscreen til re-register


Top
 Profile  
 
 Post subject:
PostPosted: Mon Jan 19, 2009 12:01 pm 
Offline
Postally Verbose
Postally Verbose
User avatar

Joined: Mon Jan 02, 2006 9:12 am
Posts: 19595
Location: Northern NSW
Rob , what are you doing for the fan belt to power the alternator , do you have a shorter belt or an idler pulley where the water pump was (assuming you're using a plate of some form to block it) ?

I'm assuming Jon is talking about using it in the fang which is essentially a race car .

_________________
Image


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 21 posts ]  Go to page 1, 2  Next

All times are UTC + 10 hours


Who is online

Users browsing this forum: No registered users and 96 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  

© 2016 Ausmini. All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.