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Viscous fan

Transit Mk6 & Mk7 Forum. All Transits 2000 - 2013

Re: Viscous fan

Postby landymike » Thu Jun 21, 2018 5:53 am

Airthies, thank you for suggesting that thread but it is irrelevant to my inquiry as I am not looking to fit an electric fan. A simple search was conducted prior to createing this thread.

Twin-turbo, are you trying to incite violence or inquire what a duel purpose vehicle is? I’m unsure as to the point you are trying to make in your post. :roll:
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Re: Viscous fan

Postby bigjohnthomas » Thu Jun 21, 2018 6:45 am

Lolzzz :lol: it's you that wants a contest with deadly weapons arranged between two people in order to settle a point of honour not twin turbo :lol:
:lol: you've got your a's and e's mixed up dude
Nice chat
Bye :P
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Re: Viscous fan

Postby twin--turbo » Thu Jun 21, 2018 7:58 am

Was trying to lighten the mood with a little observational humour (and I am Dyslexic so get it all the time at work ;) )

So Simply.

Why would you remove something that works well and offers no benefit to the vehicle if removed.

The only possible reason I can think of, is if your going through deep water regularly, which by your username may have something to do with it?

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Re: Viscous fan

Postby bambi mk 1 » Thu Jun 21, 2018 8:06 am

Stuck in the mud or what ,big girls dont cry :lol:
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Re: Viscous fan

Postby Airthies » Thu Jun 21, 2018 9:55 am

twin--turbo wrote:Was trying to lighten the mood with a little observational humour (and I am Dyslexic so get it all the time at work ;) )
snap! spell check ant autocorrect are you're friend except whet it gots it wrong

Landymike It sounds like youve volunteered to remove your fan and then report back your findings.
With all sincerity I would be interested to read your results. (Was going to say "hear your results" but since you'd be typing them I thought that wouldn't be correct )

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Re: Viscous fan

Postby bigjohnthomas » Thu Jun 21, 2018 11:14 am

twin--turbo wrote: (and I am Dyslexic so get it all the time at work

TT


My uncle got that
He had to have strong antibiotic for 3 months an an upside down umbrella shoved down his master of ceremonies :shock:
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Re: Viscous fan

Postby landymike » Fri Jun 22, 2018 7:34 pm

bigjohnthomas, you make no sense whatsoever in your post, please do not clog up the thread with any more mind numbing idiocy and please refrain from making a joke of people with mental health issues.

My uncle got that
He had to have strong antibiotic for 3 months an an upside down umbrella shoved down his master of ceremonies :shock:


Airthies, sorry but I am unable to translate the first part of your previous post into English so I will not be able to respond. As for 'volunteering and reporting' I will graciously bow out of that as it seems no point trying to give information on this topic as no one seems to take it seriously nor have an open mind regarding it.

twin-turbo, there a two reason for inquiring into the removal of the viscous fan.

Firstly, all the Land Rovers I have owned I have removed the viscous fan and there has been a noticeable difference in the engines performance. It is quite common for Land Rover owners with a 200 and 300tdi engine to do this, not just me.

Secondly, even if the viscous coupling is brand new there is still centrifugal force being place upon the engine from it. But let's face it I doubt there are many MK6 Transits with a new viscous fan attached so therefor, many are old resulting in a small amount of oscillation along with more centrifugal force, hence, more power being taken from the engine. How much power is unknown at present. Someone did offer some values of this but when I asked what formula/equation was used to calculate this I did not receive a response.

There are many factors to be taken into consideration regarding the power needed to operate the viscous coupling/fan such as: -

Age
Bearing wear on the shaft driving it
Fan being unbalanced due to parts missing or even a build up of mud/dust/road film which has gathered on it
Is the coupling activating only when necessary, for example: when the engine is at a certain temperature

These are just few examples and reasons for removing it, as the factors stated above change so will the force or power required to operate it.

I'll be measuring the surface area of the radiator at some point at the weekend when at my workshop, if this proves to be of similar quantities as the radiator in a Land Rover than I shal run the transit for a bit without the fan and see what happens :D

I sympathize with you in relation to being Dyslexic. I too have that condition, mine mainly affects my reading.
I also have another condition, ASD or Asperger syndrome. This has affected my neurodevelopment, one specific part of this is not understanding implicit writing to well, I only tend to understand logic and explicit writing.

For instance, your first post on this thread that has remained, I honestly do not know what you are referring to? :roll:

But not all is bad news with myself, as losing one ability I gained another. I scored in the top 3% of the country in an IQ test undertook by Mensa, my thinking is all aimed towards logic lol.
Everything is literal to me. If you do not like it that is your problem.

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Re: Viscous fan

Postby Retired John » Fri Jun 22, 2018 11:17 pm

Wow


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Re: Viscous fan

Postby landymike » Fri Jun 22, 2018 11:55 pm

Retired John, I feel sorry for you with such apparent narrow mindness and lack of understanding.

I have now added you to my ‘foe list’, please do not try to communicate with me again.
Everything is literal to me. If you do not like it that is your problem.

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Re: Viscous fan

Postby Retired John » Sat Jun 23, 2018 1:29 am

I never tried to "communicate " with you before so no loss I was only commenting on your crazy posts and statements lighten up buttercup it is life and no one gets out alive not even gifted land rover owners

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Re: Viscous fan

Postby Jim Archer » Sat Jun 23, 2018 7:50 am

If you can demean yourself to think inside the box, why not have a look at how JLR did it when using the Duratorq motor .......

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Re: Viscous fan

Postby amlav » Sat Jun 23, 2018 11:01 am

My logic regarding any modifications to an engine is : It was designed by lots of engineers in a factory . If it was designed to have a viscous fan it must be a reason for it .
After all .. those engineers are not all that stupid . If they would think that there is no need for a fan ...it would not have one and this way production costs would be less .
Same logic I have in regards of remapping . Engine is designed for a specific hp rating and components are designed for that rating . More hp will cause more stress on components and more likely a premature wear . But ....that's me
The simplest thing to check if you gain any hp with fan on or off would be to take the car to a dino test .
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Re: Viscous fan

Postby mistericeman » Sat Jun 23, 2018 12:00 pm

amlav wrote:My logic regarding any modifications to an engine is : It was designed by lots of engineers in a factory . If it was designed to have a viscous fan it must be a reason for it .
After all .. those engineers are not all that stupid . If they would think that there is no need for a fan ...it would not have one and this way production costs would be less .
Same logic I have in regards of remapping . Engine is designed for a specific hp rating and components are designed for that rating . More hp will cause more stress on components and more likely a premature wear . But ....that's me
The simplest thing to check if you gain any hp with fan on or off would be to take the car to a dino test .


I tried explaining that earlier... BUT he didn't want to listen..
Let him crack on with what he wants to do...
He knows bestest you know ;-)
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Re: Viscous fan

Postby Jim Archer » Sat Jun 23, 2018 4:07 pm

Fan shouldn't absorb much in the way of power when not needed unless the fluid clutch is bollocks'd. If it spins freely - ish, then it's fine and working as it should.

Maybe if the OP would explain why he actually wishes to remove it, rather than coming out with slightly far fetched excuses for why he should, this thread might not have dragged on/got so heated.

There are also thermo-switch electric fan kits to consider, but they mess with airflow through the radiator, hence why manufacturers tended to go with viscous fans given the opportunity until recently when idle emmissions have become such an issue that any extra load can tip the exhaust and/or noise over the limits. Big batteries soften the load demands that the mostly electrically driven components place on the engine now.

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Re: Viscous fan

Postby landymike » Sat Jun 23, 2018 7:08 pm

amlav, yes I agree with you to a certain point. One thing I learnt whilst serving in the armed forces though is a vehicle is always built generically for anywhere in the world. For instance, new vehicles that were/are introduced to the British army had indeed been designed by lots of engineers in a factory but yet the army has something called TDUs, Trials and Development Units. They simply take any new vehicle, put it through its paces and see what could or needed to be changed for their specific role.

It's the same with any consumer vehicle purchased, they are generically built in mass production with a few options available. Consider this, your climate is vastly different to ours in the UK. All of your vehicles will most definitely need a cooling fan to keep the engine at a good running temperature daily. What if the same vehicles were being driven in a cold climate? Would they still require a cooling fan?

That is a good idea regarding putting the van on a dino with and without the fan, thank you.

Jim Archer, demeaning myself is not necessary as is rudeness from yourself. Before enquiring on this forum that is a line of enquiry I took but it seems that all of the owners of Puma based Defenders I have talked to have not tried removing the fan from there engine. Hence I thought I would ask the simple question here in the hope for a quick simple answer. Yes or no.

Thank you for pointing out the basic function of a viscous coupling/fan but I'm well aware in the nature in which it works.

Unsure as what you are referring to when you state 'OP'? But, does it matter why I wish to remove it? Is the question not clear enough for you to understand? As previously stated it is a simple question to which a simple yes or no answer would be amazing to receive. :D

Someone else has already mention the electric fan topic, thank you but my inquiry has nothing to do with electric fans.
Everything is literal to me. If you do not like it that is your problem.

I have no time for idiocy or rudeness.
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