G Tech

[R2D2]

I have actually removed the G tech from my car as you can't believe how bad my fuel consumption is when testing! I know some of you think knowing your car this well and testing different mods is a bit anorak but its just a bit of fun As Andy K's car isnt serviced yet I'll sent the G tech to Splang tomorrow, registered post. I'll enclose instructions etc.

 

[i_york]

Best 0-60, so far, in my CLK 55 is 5.23 with fairly worn rear tyres (est. 3-4mm tread remaining).

Launch technique was ESP off with a little brake stall.

Cheers,
Ian.

 

[R2D2]

Revised Table

2005 C180k 0-60 8.2 1/4 mile 16.5 Terminal 86.6 -R2D2
160 RWHP = Est 205bhp

1998 E55 AMG 0-60 5.47 1/4 mile 14.5 Terminal 102.1 -Grav
360 RWHP = Est 462bhp

1995 E320 Est 0-60 7.3 1/4 mile 15.8 Terminal 91-AndyK

2003 SLK 320 0-60 6.28 1/4 mile 14.48 Terminal 100mph -Pammy

2005 SLK55 AMG 0-60 4.82 273bhp = Est 360bhp -Scumbag

2001 CLK55 AMG 0-60 5.23 -1/4 mile Terminal --- bhp --i york

 

[R2D2]

Splang its on its way, recorded delivery. Hopefully you'll get it tomorrow.
If you have any members near you who you want to test as well then thats fine but can you forward it by Friday as per the enclosure. Have fun!

 

[splang]

Wilco!

Thanks.

Any members near Weston-super-Mare and would like to have a go, please let me know by pm.
Cheers

Steve

 

[splang]

Only got 5 weeks holiday left now.... (ah the joys of my job! (at summer!) )


:bannana:

 

[splang]

Thanks for the g-tech - done and sent it on Greg.

My times average of 3 runs (level) 0 - 60 5.78secs.

I didn't do the other tests as it was the initial speed i wanted to check. got to say - it flys on past too!

Many thanks. I have taken the liberty of enclosing a (very small) cheque to cover your expenses of sending it to me.

Steve

 

[machasm]

Any chance of sticking me on the 'to do' list R2D2?
Thanks.
Mac.

 

[scumbag]

got the car weighed at a certified weigh bridge today. £4.

Full of petrol, no spare wheel or tools and no rubbish. window washer full and everything at right level.

1540kg!

exactly as Mercedes said it would.

i was suprised actually.

 

[glojo]

got the car weighed at a certified weigh bridge today. £4

Your car weighed 4 pounds??? Helium in the tyres??

John the wit

 

[scumbag]

Your car weighed 4 pounds???

yeah, sorry, my mistake, it weighed 4 pounds and cost £1540 to have it weighed at the public weighbridge, unknown to me we now have a tax on using public facilities like that for your own domestic car use, £1539.98p of which went to fund presscotts tea party!

I was just rummaging around in some documents we have here regarding weights and stuff for gases and the best i can come up with is 1800ltrs or air wieghts 1.83kg. And thats if you compress it and shove it in a bag of some type. Air lying around on the floor weighs in at 14.7 pounds per square inch at sea level. (Except in France where it is 14.5psi or conveinently, 1 BAR)*
which basically means i have found absolutly nothing that is any use to this thread at all.

But I thought I would share it anyway.


*please dont PM me about this by saying it is actually being pushed down due to gravity and so on. I was being a bit tongue in cheek.

 

[glojo]

*please dont PM me about this by saying it is actually being pushed down due to gravity and so on. I was being a bit tongue in cheek.

Doh!!!

John

 

[nigel cross]

Is the air weighted hot or cold, as surely hot air must weight less as it the way that hot air balloons rise.:bannana:

 

[scumbag]

Is the air weighted hot or cold, as surely hot air must weight less as it the way that hot air balloons rise.:bannana:

no! heat has no effect on weight. it makes the air expand so 1800ltrs of air would expand inside a cylinder but that will result in increasing the pressure and not the weight. if you put warm air in a cylinder and weight it at a given pressure, it will weight the same when it cools down but the pressure will reduce as you didnt get the full contents in the cylinder in the first place. a hot air balloon reduces in pressure with warm air and the expansion creates the bag to get bigger. the higher pressure cooler air gets underneath this bag and it rises. you hold the lower pressure inside the bag and it pushes its way thru the higher pressures. as the air cools the pressure reduces and causes the bag to decrease in size and you drop. the air inside doesnt get heavier.

if i can be bothered to sort out a few cylinders I would actually try this and post up the results. but it would have any bearing on this thread.

 

[benny]

I want to have ago on a G Tech Meter!

I think you should go to TRAXX with it and charge people a resonable rate.
And merc owners less (",)

 

[R2D2]

Back from my lastest 1800 miles drive. Thank you Splang- the g tech arrived fine! I will see Grav next week before the GTG so that it can have a trip to the seaside. Lots to report on later-better unpack first!

 

[R2D2]

Any chance of sticking me on the 'to do' list R2D2?
Thanks.
Mac.

hi, just noticed this -Are you going to the Torquay gtg??

 

[R2D2]

I want to have ago on a G Tech Meter!

Torquay GTG?

 

[R2D2]

Grav, when are you leaving for Torquay?

 

[stats007]

no! heat has no effect on weight. it makes the air expand so 1800ltrs of air would expand inside a cylinder but that will result in increasing the pressure and not the weight. if you put warm air in a cylinder and weight it at a given pressure, it will weight the same when it cools down but the pressure will reduce as you didnt get the full contents in the cylinder in the first place. a hot air balloon reduces in pressure with warm air and the expansion creates the bag to get bigger. the higher pressure cooler air gets underneath this bag and it rises. you hold the lower pressure inside the bag and it pushes its way thru the higher pressures. as the air cools the pressure reduces and causes the bag to decrease in size and you drop. the air inside doesnt get heavier.

if i can be bothered to sort out a few cylinders I would actually try this and post up the results. but it would have any bearing on this thread.

Er no offence but a trip back to school may be in order! Hot air balloons rise because of buoyancy - principly the weight of the air in the balloon is less than the weight of the air it has displaced.

higher pressure cooler air

I think you mean higher density cooler air.