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While driving in clear air(no immediate traffic around to give
false airspeed, not unsmoggy), different readings indicate more
or less air induced drag. Driver can opt to change speed to get
better or worse gas mileage.
All the electronic contraptions could get involved with the
readings from
the two gauges but this idea only pertains to the
goings on in driver's head.
Handlebar_20pitot
[pocmloc, Jan 24 2015]
[link]
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I assume you're looking for indicated airspeed rather
than true air speed. IAS is more closely related to
drag. |
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If the driver notes that the airspeed indicated matches the
ground speed indicated on a known calm day he can then
judge when the readings differ under other wind
conditions. Trial and error will tell him what gas mileage
he gets at what airspeed indicated and he can decide to
drive at the airspeed that returns the gas mileage he
wants.
In some instances people don't realize that a headwind is
costing them money at their normal speed and slowing
down a certain amount will get them back to their usual
mileage.
Could all be done with computers and cruise control, of
course. This is just a simple combined dual reading gauge.
Yes, indicated air speed. Analog, naturally. |
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Used car sales guy: "I admit that probe thingy breaks the streamlining. How bout I knock fifty off the price and give you a couple free floor mats ?" |
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Croissant awarded if the instruments are calibrated in knots. |
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[8th] Sorry not to have mentioned that gauge dials
available in
mph
mps
yps
fps
km/h
km/s
m/s
kn
ma
c |
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If there's a cross wind, a mechanism to angle all four
wheels would allow the car to crab, and reduce effective
CSA. |
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An African swallow, or a European swallow ? |
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//angle all four wheels would allow the car to crab// like a '90s Honda Prelude. |
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//like a '90s Honda Prelude// |
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New Benzes will tilt slightly into the crosswind to
track straight. |
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If you get a few more gauges and probe thingies, will I be
able to get a more advanced driving license... I'd like and
instrument rating. |
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Drive the northern end of the M23 on a Friday night and you don't just get an Instrument rating, you get an campaign medal ... |
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heh, I give you the weird off-camber right hand kink in the
M53. You won't have driven it, the only point in the M53 was
to get to my brother's house, he's moved now. |
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// new Benzes will tilt slightly into the crosswind to track
straight//
B-52's can operate in a 43 knot crosswind by crab steering the
main landing gear up to 20 degrees. |
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// the only point in the M53 was to get to my brother's house // |
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For you, maybe. For the rest of the population, the only point in
the M53 was to get away from your brother's house. |
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We'll see your M53 and raise you the Northbound slip road onto
the M6 at Junction 15 (Trentham). Very like life in the 18th
century; nasty, bruitish and short. |
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What about the one in Scotland that joins the fast
lane? |
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