Cost of Cool

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W

William Tasso

Guest
Greetings

Todays philosophical question ....

Found myself wondering this evening which costs more (in fuel) .....

o Running with air con chillin
o Running with windows/sunroof open

Both at once is clearly idiotic so I vote we discount that from the off.

--
William Tasso

Land Rover - 110 V8
Discovery - V8
 
On Mon, 03 Jul 2006 21:49:00 +0100, "William Tasso"
<[email protected]> wrote:

>Greetings
>
>Todays philosophical question ....
>
>Found myself wondering this evening which costs more (in fuel) .....
>
>o Running with air con chillin
>o Running with windows/sunroof open
>
>Both at once is clearly idiotic so I vote we discount that from the off.

I remove the roof and fold the windscreen down. Not only is it cool,
but the reduced drag actually improves my fuel consumption....

Alex
 
William Tasso wrote:
> Greetings
>
> Todays philosophical question ....
>
> Found myself wondering this evening which costs more (in fuel) .....
>
> o Running with air con chillin
> o Running with windows/sunroof open
>
> Both at once is clearly idiotic so I vote we discount that from the
> off.

Was tested by Mythbusters and IIRC open windows won.

--
"He who says it cannot be done would be well advised not to interrupt
her doing it."

If the answer is offensive maybe the question was inappropriate

The fiend of my fiend is my enema!


 
William Tasso wrote:
> Greetings
>
> Todays philosophical question ....
>
> Found myself wondering this evening which costs more (in fuel) .....
>
> o Running with air con chillin
> o Running with windows/sunroof open

Using the aircon on recirculate uses less fuel than having the windows open.

Steve
 
GbH wrote:

> Was tested by Mythbusters and IIRC open windows won.
>
That's entertainment, not science.

Steve
 
Steve Taylor <[email protected]> uttered summat worrerz
funny about:
> GbH wrote:
>
>> Was tested by Mythbusters and IIRC open windows won.
>>
> That's entertainment, not science.
>
> Steve

I thought it was scientific entertainment... ;-)

I had the windows open on the 101 on the way to Eastnor.... all we got was
hot air coming in, hot air coming out through the roof hatch and hot air
from the engine / gearbox covers.

Suffice to say it was not at all pleaseant.

To hell with the consumption , GIMME AIRCON!

Next option a safari style roof for the 101 incorporated with the roof rack.

Lee D


 
On 2006-07-03, Alex <[email protected]> wrote:

> I remove the roof and fold the windscreen down. Not only is it cool,
> but the reduced drag actually improves my fuel consumption....

I took the door tops off the p**z yesterday and drove it around like
that, it was fairly cool but even then, the air is still hot and
humid. I hate wearing sunglasses too but after the flies seemed to
become unerringly accurate when aiming for my eyes at speed, I soon
dug a pair up.

I will attend a military show at some point and buy some old
motorcycle goggles, then put the windscreen down and scare the locals!

So how many teeth have you lost to bumble bees?

--
Blast off and strike the evil Bydo empire!
 
Steve Taylor wrote:

> Using the aircon on recirculate uses less fuel than having the windows
> open.

I think it depends a lot on what opening the windows does to the
coefficient of drag of the vehicle. As such the result may vary between
different types of vehicle.
 
On 2006-07-03, Lee_D <[email protected]> wrote:

> I had the windows open on the 101 on the way to Eastnor.... all we
> got was hot air coming in, hot air coming out through the roof hatch
> and hot air from the engine / gearbox covers.

I find one of the biggest differences is to open the rear to allow air
to flow through the truck quickly, even with warm air coming in it's
better than nothing, even with my door tops off, opening the rear of
the truck made a big difference. Not sure if you have a partition
behind the cab on yours though.

--
Blast off and strike the evil Bydo empire!
 
On Mon, 3 Jul 2006 22:54:08 +0100, Ian Rawlings <[email protected]>
wrote:

>On 2006-07-03, Lee_D <[email protected]> wrote:
>
>> I had the windows open on the 101 on the way to Eastnor.... all we
>> got was hot air coming in, hot air coming out through the roof hatch
>> and hot air from the engine / gearbox covers.
>
>I find one of the biggest differences is to open the rear to allow air
>to flow through the truck quickly, even with warm air coming in it's
>better than nothing, even with my door tops off, opening the rear of
>the truck made a big difference. Not sure if you have a partition
>behind the cab on yours though.

you cant really drive fast with the rear doors on a 101 ambi open.
 
On 2006-07-03, Tom Woods <[email protected]> wrote:

> you cant really drive fast with the rear doors on a 101 ambi open.

It might be worth trying to see if it helps, and if it does, figuring
something out. Depends where you live I know, but I can take the
doors off and leave them off for a few weeks.

--
Blast off and strike the evil Bydo empire!
 

"Ian Rawlings" wrote >> you cant really drive fast with the rear doors on a
101 ambi open.
>
> It might be worth trying to see if it helps, and if it does, figuring
> something out. Depends where you live I know, but I can take the
> doors off and leave them off for a few weeks.
>
There is a S111 round this way that has grills cut/riveted in the top of the
rear above the door, the type of grill you can slide open or closed, which
presumably is for the same purpose, to help increase through ventilation.

--
Regards
Bob Hobden
17mls W. of London.UK


 
On Mon, 3 Jul 2006 22:37:16 +0100, Ian Rawlings <[email protected]>
wrote:

>On 2006-07-03, Alex <[email protected]> wrote:
>
>> I remove the roof and fold the windscreen down. Not only is it cool,
>> but the reduced drag actually improves my fuel consumption....
>
>I took the door tops off the p**z yesterday and drove it around like
>that, it was fairly cool but even then, the air is still hot and
>humid. I hate wearing sunglasses too but after the flies seemed to
>become unerringly accurate when aiming for my eyes at speed, I soon
>dug a pair up.
>
>I will attend a military show at some point and buy some old
>motorcycle goggles, then put the windscreen down and scare the locals!
>
>So how many teeth have you lost to bumble bees?

Can't say i've had too many problems, but then i do wear glasses
normally anyway, and so far i've only managed to swallow one fly.

However if you're fair skinned, wear suncream. Because of the cooling
air flow you don't feel the heat, which means you get sunburnt without
realising it.....

Alex
 
On Tue, 4 Jul 2006 06:09:19 +0100, Ian Rawlings <[email protected]>
wrote:

>On 2006-07-03, Tom Woods <[email protected]> wrote:
>
>> you cant really drive fast with the rear doors on a 101 ambi open.
>
>It might be worth trying to see if it helps, and if it does, figuring
>something out. Depends where you live I know, but I can take the
>doors off and leave them off for a few weeks.

I bet it would help - opening the bag of the rag on my 2A makes it
much cooler, but you just cant do it on a 101 ambi :(.

the rear doors are not removable (unless you fancy removing a 4 foot
long hinge pin or drilling lots of rivets), and when you open them
they fold back along the side of the truck - so wouldnt stay there for
long if you were moving!
 
On 2006-07-04, Alex <[email protected]> wrote:

> However if you're fair skinned, wear suncream. Because of the cooling
> air flow you don't feel the heat, which means you get sunburnt without
> realising it.....

As the owner of an expanding bald patch, I've got the measure of sunburn ;-)

--
Blast off and strike the evil Bydo empire!
 
On 2006-07-04, Tom Woods <[email protected]> wrote:

> I bet it would help - opening the bag of the rag on my 2A makes it
> much cooler, but you just cant do it on a 101 ambi :(.

I find that if the flapping of the canvas on my landy gets annoying,
closing the back rag and opening the windows puffs it up and stops it
flapping. Not much good in the winter though!

> the rear doors are not removable (unless you fancy removing a 4 foot
> long hinge pin or drilling lots of rivets), and when you open them
> they fold back along the side of the truck - so wouldnt stay there for
> long if you were moving!

Not a problem in a GS I'd have thought ;-)

As for removing the hinge pinge, it takes me about 15 mins to remove
the rag on my 110 and about 25 to put it back on, I used to take it
off and then just leave it off for a few weeks. Never having owned a
101 ambi I have no idea on the practicality of taking the rear doors
off for a few weeks in hot times then putting them back on when things
cool down. That's why I suggested trying to fix a door open and
mulling over whether the benefits were outweighed by the hassle of
removing the doors, and of the security problems.

--
Blast off and strike the evil Bydo empire!
 
Ian Rawlings wrote:

> As for removing the hinge pinge, it takes me about 15 mins to remove
> the rag on my 110 and about 25 to put it back on, I used to take it
> off and then just leave it off for a few weeks. Never having owned a
> 101 ambi I have no idea on the practicality of taking the rear doors
> off for a few weeks in hot times then putting them back on when things
> cool down.

The original piano hinge was there to get even pressure on the gas tight
seals I suspect. You COULD use lift off hinges if you wanted to.

Steve
 
On Tue, 04 Jul 2006 11:08:58 +0100, Steve Taylor
<[email protected]> wrote:

>Ian Rawlings wrote:
>
>> As for removing the hinge pinge, it takes me about 15 mins to remove
>> the rag on my 110 and about 25 to put it back on, I used to take it
>> off and then just leave it off for a few weeks. Never having owned a
>> 101 ambi I have no idea on the practicality of taking the rear doors
>> off for a few weeks in hot times then putting them back on when things
>> cool down.
>
>The original piano hinge was there to get even pressure on the gas tight
>seals I suspect. You COULD use lift off hinges if you wanted to.

I cant change them now! I might scratch the paintwork! ;). I've
already but 2 little scratches in it :(

Lets see how martyn gets on with this air con business!

 
"Tom Woods" <[email protected]> wrote in message
news:[email protected]...
> Lets see how martyn gets on with this air con business!

And Steve too!

I picked up a little tip at Easntor Tom. Usless for us with a deranged puppy
in the back, but basically unbolt the door tops... bung them in the back
when desired. When parking or rainy (the other 340 days!) just slot them in.
Such is the overhang on the cab no one could take them out to get in and if
they did want to get in there are simpler ways.

Lee D


 
Lee_D wrote:
> Next option a safari style roof for the 101 incorporated with the roof rack.

I drove my FC101 RB across Africa, stuff aircon, I cut two forward
opening hatches above each front seat. About 2" open and you get a
steady blast of air. Tested in ambients up to 55 deg.C. Secondary
effect is to pressurise the cabin and keep dust out. Taking the hatches
off reduces the blast of air, but increases the chance of sun burn.
Opening and closing the side windows can fine tune blast of air.

I had a RedTop Rooftop aircon unit mounted in the front roof, as fitted
to RB's during the gulf wars, waste of money!

Regards

Neil - www.enableafrica.com
Bumble - FC101 RB, 300 Tdi, ZF4HP22, Power steering, Milemarker and
80,000 km's of Africa under its belt :)

 
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