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Registered Member #72
Joined: Thu Feb 09 2006, 08:29AM
Location: UK St. Albans
Posts: 1659
To travel faster than the wind in a boat, you tack; obviously if you want to go into wind, less obviously if you are going downwind. Instead of just running before a ballooning spinnaker (the easy way), you pull it into an aerofoil like the sails and sail at an angle. If the boat is efficient enough, that gives you more speed. The angles between wind and water, sail and keel, drive you forward like an orange pip between two fingers as fast as friction will allow.
The same applies to a car. Somehow, I don't fancy sharing the road with a bunch of vehicles going from tack to tack.
Now back to topic. I have the feeling that my car seems to run better on damp mornings. Does the higher humidity catalyse the burn process to be slightly better? Or is it entirely psychological?
Registered Member #3414
Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
Dr. Slack wrote ...
. Now back to topic. I have the feeling that my car seems to run better on damp mornings. Does the higher humidity catalyse the burn process to be slightly better? Or is it entirely psychological?
Colder air is more dense, although most fuel injection systems have ambient temperature sensors as well as flow-meters. (with carburettors there is definitely an improvement)
Injecting water into the fuel/air mix or combustion chamber is supposed to improve efficiency (expansion of steam, 3000 times greater volume than water) so, yes, damp air should improve performance.
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Running a car off HHO
