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Cooling a WG

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Old Mar 21, 2017 | 09:46 PM
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Default Cooling a WG

This thread is not about whether building a cooling system for a bike has merit - that decision's already been made

It also not about one supplier being better..., worse..., whatever..., than another - going the direction I'm going

It simply one way - one might go about tackling the task of cooling down a bike


Plan:

Add wimmer dual tube oil cooler..., w/ fueling filter off set - all plumbed w/ AN fittings

Add the lj mini fans

====================

Below is a pic of the oil cooling system


The 4 - 3/8 npt to barb connections have been removed

1/4" has been removed from each end of the oil coolers to allow for plenty of wrench "bite" when tightening the 3/8 npt to -6 an fittings

After mocking up - this evening - I ordered 1ea

-6 an female hose - 45 degree
-6 an female hose - 90 degree
-6 an female hose - 120 degree
-6 an female hose - 150 degree

Some combination of above..., will help better route the hoses..., from the oil offset..., to the cooler inlets

iow - this'll eliminate sever bending of the hose in order to make the connections to each side of the oil cooler - from the oil filter offset

===============

Mini fans were ordered Wed, Mar 01 - still no eta on shipment

=================

More to follow as add'l parts come in

Grab a beer and enjoy the show

Ghost


 
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Old Mar 21, 2017 | 09:49 PM
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Old Mar 21, 2017 | 09:54 PM
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Old Mar 21, 2017 | 10:08 PM
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Looks like a really nice collection of parts.

Will you be able to gather any temperature data from pre- and post- modification?

I've looked at those Wimmer tubes myself but just can't quite get there from where I'm at. (I've got a Jagg low-mount with thermostat valve). if the tube work.good and look like I think once mounted, I'd probably.pull the trigger.

Where I'm at, and how I ride, additional cooling isn't really necessary but I like the peace of mind and the bike came with the Jagg, so...why not?

Adding that I've also considered making my own extra-length finned tubes. Maybe if I get bored in a year or two...
 

Last edited by cggorman; Mar 21, 2017 at 10:11 PM.
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Old Mar 21, 2017 | 10:22 PM
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Originally Posted by cggorman
Will you be able to gather any temperature data from pre- and post- modification?
I have a Longacre IR pyrometer - so I can..., and will Sir

I'll make it as controlled as possible - keep speed / run time & distance - as close as is possible

Also pick two consecutive days where temps foretasted to be similar

Make a run pre-installation..., measure temp - install - then make the exact same run..., and measure temp

Using the same measuring points front and rear cylinders..., and top of oil filter (I don't have an actual oil temp gauge)

=========

I'll do this with just the oil cooler

Then again w/ oil cooler & fans

Ghost
 
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Old Mar 21, 2017 | 10:26 PM
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Sweet! You got all bases covered. Looking forward to watching this unfold. Thanks for the efforts.
 
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Old Mar 21, 2017 | 10:30 PM
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Just occured to me that I work with a couple thermodynamics guys that could probably model this setup (we have all the simulation software at work) to determine cooling capacity if they were bored one day. hmm... :icon_evilgrin:
 
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Old Mar 22, 2017 | 07:47 AM
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Thank you for doing this. I'm mostly interested if any measurable cooling occurs from the oil coolers.
 
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Old Mar 22, 2017 | 10:13 AM
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Originally Posted by mattVA
Thank you for doing this. I'm mostly interested if any measurable cooling occurs from the oil coolers.
You're Welcome Sir..., and me too

Many times I've seen someone spend $'s for an upgrade / add on..., then try like hell - to convince the rest of us..., their add on is the best thing since the inception of buttered bread

Trying to justify the $'s spent in their own head - me thinks

=================

This cooling system worth the $s.., or not - I've no clue yet

We'll let the data (temp deltas) suss that out

===================

Was thinking on this last night - and want to do a straw pole


Let's (at least a few of us) - agree on where I should take temps

Actual oil would be best - but I don't have an oil temp gauge - nor plan to get one

I do have a digital cooking thermometer - and plan to stick that down the oil fill hole

Also - I would expect motor temp to initially rise after shut down - then begin to decrease (wind / air flow cooling effect has ceased)

================

So - where should I measure temps (w/ the pyrometer)

How long after shutdown..., and within what window of time frame - do I have to take said temps

I will stick the digital cooking probe immediately in the oil hole after shut down and measure that

============

Nemo

Not to put you on the spot - but you're good at this sort of ****

Any ideas..., and anyone else w/ an idea - also chime in

We get some sort of consensus - then we can use it as a valid comparison

=============

Then..., whether X amount of temp delta is worth it.., or not - is an individual call

Ghost
 
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Old Mar 22, 2017 | 10:45 AM
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Oil pan or crankcase would probably be a good place to get a decent IR temp reading.

Since we're only concerned with the delta, I'm not sure it makes a whole lot of difference as long as the pre- & post- measurement parameters are the same.
 
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