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Search took 0.01 seconds. Search: Posts Made By: Nigel_S
Forum: EcoModding Central 12-16-2014, 10:15 AM
Replies: 100
Views: 25,043
Posted By Nigel_S
I managed to draw this graph showing %torque...

I managed to draw this graph showing %torque increase of my tri-Y header over the standard header with pre-cat in the manifold just by timing the cars acceleration to each 250rpm over a few runs...
Forum: EcoModding Central 12-11-2014, 05:52 PM
Replies: 100
Views: 25,043
Posted By Nigel_S
The angle the pipes join in the Y pieces is rpm...

The angle the pipes join in the Y pieces is rpm dependent with Formula 1 exhausts having an unbelievably high angle, so for low rpm with long exhaust pulses you will want a very shallow angle.
Forum: The Lounge 11-26-2014, 05:43 PM
Replies: 119
Views: 11,907
Posted By Nigel_S
There is, the Atlantic Superconnection carrying...

There is, the Atlantic Superconnection carrying 1.2 Gigawatts of geothermally generated electricity from Iceland to the UK:

http://www.atlanticsuperconnection.com/img/asc-map.png
Facts
•Cable...
Forum: The Lounge 11-26-2014, 04:50 PM
Replies: 119
Views: 11,907
Posted By Nigel_S
No need to drill, Iceland already generates all...

No need to drill, Iceland already generates all it's power from geothermal energy without significant drilling, I'm sure they could export some to the USA :)
Forum: The Lounge 11-26-2014, 11:52 AM
Replies: 119
Views: 11,907
Posted By Nigel_S
Not sure what you mean, it has a population...

Not sure what you mean, it has a population density of 253/sq mi compared to the USA having 88.6/sq mi so it should be a lot easier for the USA to generate enough power from the available wind...
Forum: The Lounge 11-26-2014, 07:20 AM
Replies: 119
Views: 11,907
Posted By Nigel_S
As far as the UK is concerned, practice appears...

As far as the UK is concerned, practice appears to be proving them wrong.


RenewableUK | RenewableUK News - New record high: 22% of UK electricity from wind...
Forum: EcoModding Central 11-24-2014, 08:26 PM
Replies: 100
Views: 25,043
Posted By Nigel_S
Not sure how much you know about flex pipes but...

Not sure how much you know about flex pipes but some advice if you don't know:

If you have the room then I suggest a 6" one, I fitted a 6" to mine and it's a nice length, gives decent flexibility...
Forum: Aerodynamics 11-23-2014, 01:19 PM
Replies: 25
Views: 4,566
Posted By Nigel_S
That's a nice idea but I don't want to prevent...

That's a nice idea but I don't want to prevent air circulating around the engine bay, a belly pan seems risky. It was designed and tested with a large airflow keeping everything cool, having put in...
Forum: EcoModding Central 11-23-2014, 07:10 AM
Replies: 100
Views: 25,043
Posted By Nigel_S
I realised that you didn't mean a real explosion,...

I realised that you didn't mean a real explosion, but still, it doesn't help to think about it in that way because it should operate smoothly,

The flow in the pipe should not be turbulent, maybe...
Forum: EcoModding Central 11-22-2014, 03:40 AM
Replies: 100
Views: 25,043
Posted By Nigel_S
A 5% increase in fuel pressure gives a very small...

A 5% increase in fuel pressure gives a very small increase in flow, not a 5% increase - look up the theory or an online calculator. If you need more than a few % extra fuel then consider swapping...
Forum: EcoModding Central 11-21-2014, 04:35 AM
Replies: 100
Views: 25,043
Posted By Nigel_S
That is because most engines don't run closed...

That is because most engines don't run closed loop at full throttle, they use open loop and guess the amount of fuel to inject based on the throttle position sensor and either a manifold pressure...
Forum: EcoModding Central 11-20-2014, 08:26 AM
Replies: 100
Views: 25,043
Posted By Nigel_S
Why do you not want a step in the "wrong...

Why do you not want a step in the "wrong direction"? I think it is only going to be a problem if you have long duration race cams...

A 32" primary is excessive and will miss out on some wave...
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