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Search: Posts Made By: NHB
Forum: General Efficiency Discussion 01-27-2017, 07:01 AM
Replies: 24
Views: 5,914
Posted By NHB
VW has used these features a long time in most of...

VW has used these features a long time in most of their engines. For example their most popular gasoline engines EA211 and EA888 3. generation have been very reliable. Their latest versios have some...
Forum: General Efficiency Discussion 12-25-2016, 06:54 AM
Replies: 54
Views: 12,125
Posted By NHB
3 cylinder engine has so many advantages ovat 4...

3 cylinder engine has so many advantages ovat 4 four cylinder, that I see the 3 cylinder population growing in the near future. I would like to add short block to Eckys list. Short block and crank...
Forum: Aerodynamics 10-25-2015, 05:45 PM
Replies: 22
Views: 5,763
Posted By NHB
XJ220 has also many times more power that VW....

XJ220 has also many times more power that VW. Huge power means huge cooling and a lot of drag. Cooling, tires and downforce usually make fast cars not as aerodynamically efficient as they look. Those...
Forum: EcoModding Central 09-29-2014, 08:06 AM
Replies: 127
Views: 29,118
Posted By NHB
Basically a high viscosity oil at higher...

Basically a high viscosity oil at higher temperature is the same oil as a low viscosity oil in lower temperature. Critical viscosity is determined at the highest possible temperature. So the chosen...
Forum: Aerodynamics 09-05-2014, 06:22 AM
Replies: 51
Views: 11,029
Posted By NHB
These modern cars don't have that much free space...

These modern cars don't have that much free space anywhere. At the front end there are already multiple radiators. And it's not only the engine cooling. 45 AMG engine uses very high boost pressure,...
Forum: Aerodynamics 09-03-2014, 04:12 PM
Replies: 51
Views: 11,029
Posted By NHB
I have a different opinion.Traction is a problem...

I have a different opinion.Traction is a problem in relatively low speeds. Cars generate downforce at high speeds. Useful downforce is usually generated somewhere over the 200 km/h limit. For me...
Forum: Aerodynamics 09-01-2014, 07:14 AM
Replies: 51
Views: 11,029
Posted By NHB
Aerodynamic balance is real but so is cooling....

Aerodynamic balance is real but so is cooling. When a car has about 1 MW engine power and 400 km/h top speed, it has to be able to dissipate huge amount of heat in various places. For that a...
Forum: EcoModding Central 04-06-2013, 06:53 AM
Replies: 31
Views: 5,561
Posted By NHB
Engine 1 has 8 times the displacement of engine...

Engine 1 has 8 times the displacement of engine 2. In order to reduce displacement 50 % you need just to reduce displacement 50 %. Another option is to divide bore with 2^0,5
(79*2^0,5=59)

Fewer...
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