Tin Spoiler - Under front of Griffith
Discussion
All,
Has anyone come to a definitive answer on whether the spoiler is definitely needed for high speed stability, aerodynamics or cooling ?
After I collected the Griffith from WLA's last night after the gearbox scenario I also collected a lickle flunny bunny .... unfortunately at the speed I was travelling the mating of the bunny and the spoiler meant that both got f**ked !
Cheers
Mark
Has anyone come to a definitive answer on whether the spoiler is definitely needed for high speed stability, aerodynamics or cooling ?
After I collected the Griffith from WLA's last night after the gearbox scenario I also collected a lickle flunny bunny .... unfortunately at the speed I was travelling the mating of the bunny and the spoiler meant that both got f**ked !
Cheers
Mark
definitive? on a TVR??
Walldonway bloke told me it was for stability, but only made a difference over about 120mph. I've had the Chim up to 140mph and it seemed fairly stable without the splitter. I've had no overheating probs without the splitter (if you think about it, as an aerodynamic divice, it can only help cooling when you are on the move, and these cars only have "problems" when stationary).
Walldonway bloke told me it was for stability, but only made a difference over about 120mph. I've had the Chim up to 140mph and it seemed fairly stable without the splitter. I've had no overheating probs without the splitter (if you think about it, as an aerodynamic divice, it can only help cooling when you are on the move, and these cars only have "problems" when stationary).
I fitted a splitter thingy to the front of my Griff, it brought the ave runnig temp down by 5-10C. I think it works by causing a low pressure area behind itself which then draws air down through the engine bay and thus through the rad. Assuming this is the case then said low pressure area would also create some downforce (suck) once the speed reached a level that meant the airflow through the rad/bonnet could not satisfy the lower pressure
I have no splitter either, and no cooling problems. Knowing that Holland has the most traffic cameras of any country per mile, i feel no need to go past a 120.
Have a look at www.fstegeman.demon.nl/TVR%20Griffith.htm you see a copper and on the right there is a green garbage cannister with a speedcam in it, that's how the Dutch police tries to nail speeders.
Btw he was not ammused by me taking his picture...
Fred
Have a look at www.fstegeman.demon.nl/TVR%20Griffith.htm you see a copper and on the right there is a green garbage cannister with a speedcam in it, that's how the Dutch police tries to nail speeders.
Btw he was not ammused by me taking his picture...
Fred
tvr4ever said: I have no splitter either, and no cooling problems. Knowing that Holland has the most traffic cameras of any country per mile, i feel no need to go past a 120.
Have a look at www.fstegeman.demon.nl/TVR%20Griffith.htm you see a copper and on the right there is a green garbage cannister with a speedcam in it, that's how the Dutch police tries to nail speeders.
Btw he was not ammused by me taking his picture...
Fred
sneaky bast, I notice the sign is turned around too
It is something anybody with a gig saw can make, ok if anybody doesnt have one it can be made. A slight problem would be for people who have defective water stats or "artificial cold stats" as in winter it would mean a cold engine above a crawl! Of course in the hot summer we are about to have, it will mean the most air through the rad without loosing a splitter on the first "sleeping policeman".
The standard splitter does have an effect on cooling.Stability, well maybe maybe not. The Griff rad is at an angle and air entering the mouth will "fall" out of the bottom as its the easier route for it. If you can prevent that then why not? Every little helps! Of course as normal "there is absolutely nothing wrong with the standard setup"
Thrash Em-Alot said: People please stop worrying about cooling and stability, from a little alloy spoiler. You would find it damn near impossible to spot any change in stability ,especially on are roads. I have to agree that this also has no effect on cooling either. If it is such a needed part to the car, then why is it fitted to the Chim,in the same place accept it's facing in a completely different direction.
Er, TVR vehicle technician calling himself 'Thrash Em-Alot' worries me. You'd better not.
The splitter (mine is home made) defiantly changes the cooling characteristics of my Griff.
With the splitter fitted the temperature rapidly comes down from an indicated 90, once the road speed averages over 40 mph.
Without the splitter the temperature only comes down from 90 when motorway speeds are averaged.
In the warmer months (I only put mine on for the summer) the temp rises up to fan operation speed quickly i.e. around 90, if on a steady B road run averaging 60 mph then my temp gauge will read around 80. On a motorway it will be down to just above 70.
In the winter (no splitter) once the temp reaches 90 (and I agree this may not happen unless stop start journeys) then it never goes back down, unless sustained high speed cruising which then drops it to around 80.
As for the stability question, I don’t know, but I must admit at high speed I have driven far more stable vehicles and if my boot lid isn’t shut properly it pops at around 80.
Apart from my splitter the cooling system is completely standard (though I think splitters were fitted by TVR) with the addition of a fan override switch.
Cheers,
Simon.
With the splitter fitted the temperature rapidly comes down from an indicated 90, once the road speed averages over 40 mph.
Without the splitter the temperature only comes down from 90 when motorway speeds are averaged.
In the warmer months (I only put mine on for the summer) the temp rises up to fan operation speed quickly i.e. around 90, if on a steady B road run averaging 60 mph
then my temp gauge will read around 80. On a motorway it will be down to just above 70. In the winter (no splitter) once the temp reaches 90 (and I agree this may not happen unless stop start journeys) then it never goes back down, unless sustained high speed cruising which then drops it to around 80.
As for the stability question, I don’t know, but I must admit at high speed I have driven far more stable vehicles and if my boot lid isn’t shut properly it pops at around 80.
Apart from my splitter the cooling system is completely standard (though I think splitters were fitted by TVR) with the addition of a fan override switch.
Cheers,
Simon.
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