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Old 07-09-2014, 06:21 PM   #41 (permalink)
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In greatly overpowered cars like say a 1965 Mustang GTwith a 271 HP 289 in a 2500 pound car with a 4 speed, I can see skip shifting. I do it in the Ranger, but I'm not sure if 3rd to 5th saves gas. I just get it into 5TH at 40 (Ranger).

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Old 07-09-2014, 06:31 PM   #42 (permalink)
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Shifting causes all the engine's momentum to be lost, only to be brought right back up again as accelerating-that takes fuel. On carb'd stuff the sudden closure of the throttle can cause the mix to go rich- that is why VW fitted their carb'd cars with vac operated throttle dampers- so the throttle would gradually close and not cause an emissions spike. It is easy to skip shift and still remain in the BSFC sweet zone; usually there are just more gears than needed. More gears are nice for very heavy loads and steep hills but the rest of the time are not needed.
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Old 07-10-2014, 10:26 AM   #43 (permalink)
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Quote:
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That would be a benefit only if you are done accelerating.
Yeah, at that point I am.
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Old 07-17-2014, 02:58 PM   #44 (permalink)
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feedback

So, one of the bigger problems you face is the lack of timely feedback.

No fuel gauge & no fuel consumption display.

How can you address that? That's where I'd be focusing my attention. I suspect if you had regular feedback, that alone would influence your riding style.

As it is, you're stuck going tank by tank.
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Old 07-18-2014, 02:44 PM   #45 (permalink)
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That's the issue with most bikes really ...
Luckily, you're done with a tank quick enough !
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Old 07-18-2014, 03:24 PM   #46 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
So, one of the bigger problems you face is the lack of timely feedback.

No fuel gauge & no fuel consumption display.

How can you address that? That's where I'd be focusing my attention. I suspect if you had regular feedback, that alone would influence your riding style.

As it is, you're stuck going tank by tank.
How about a fluid flow sensor out of the tank and a speed sensor on a wheel. Hooked up to an Arduino with fancy calculations to calculate mpg. I say it's doable if you can find such a sensor.
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Old 07-18-2014, 09:34 PM   #47 (permalink)
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There are tons of motorcycle forum threads about adding fuel gauges...

I like this one

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Old 07-18-2014, 09:57 PM   #48 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
There are tons of motorcycle forum threads about adding fuel gauges...
I'm talking about a fuel flow sensor. One that would measure volume of flow per minute (mm3/min or whatever) and spit out a 0-5V value.

But I do like that level gauge you linked to.
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Old 07-18-2014, 10:12 PM   #49 (permalink)
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I know you were. I'm thinking K.I.S.S.

Though I do happen to know that Tim LOVES arduino projects...
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Old 07-18-2014, 10:15 PM   #50 (permalink)
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Quote:
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Though I do happen to know that Tim LOVES arduino projects...
That's kind of why I suggested it. I mean face it...any excuse to nerd out with an Arduino is good in my books.

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