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Old 05-06-2018, 11:15 AM   #127 (permalink)
mpg_numbers_guy
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Location: Michigan/Virginia
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Insight - '06 Honda Insight MT
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Gen-1 Insights
90 day: 94.52 mpg (US)

Mom's Prius (my driving) - '08 Toyota Prius
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Quote:
Originally Posted by Xist View Post
Those bars should be about as thick as 1" pipe if you do not hammer it too much. I always wondered why people hammer pipes instead of purchasing something ready to use. They already had it?
That's what I was thinking. Hammering a pipe flat just sounds like too much unnecessary work if there's an easier way. Unless, of course, like you said, they already had it.

Quote:
Originally Posted by California98Civic View Post
If you have it on hand then I say experiment with it. Doubling-up and perhaps bonding the two plys to each other with JB Weld, if you have it, might create a good, rigid clip, I think.
I might experiment with it today if I get around to it. And if it doesn't work, at least I'll have the template for use on copper bars.

Quote:
Originally Posted by California98Civic View Post
I love flat spoilers and want one. But if I were doing these I would need to test these mods in cardboard before committing. The tail of the Civic was already optimized, even though it is not "template," and so little changes might create more problems than benefits. Somewhere on EM MetroMPG has his 7th Gen Civic kammback and boat-tail build thread. He was surprised by the difficulty in creating an improvement. Check that thread out, if you have not already seen it.
How would a tail extension possibly hurt FE? since it isn't modifying the airflow but rather just extending it out.

MetroMPG's was an 8th gen with the more aerodynamic rear end. I know the 7th gen's isn't bad, per se, but it doesn't seem perfect...and I'm at loss where to go from here to hit 50 mpg lol. I'm hitting 50 mpg on some trips, but my tank is still just over 45 mpg per the Torque app.

Quote:
Originally Posted by California98Civic View Post
For wheel skirts I would recommend a shape that just executes the narrower task of the wheel.

Ah, okay.

I do want to experiment with a boattail at some point down the road when I have more info about properly constructing one, and I figured if that "radical" design would help provide a transition from the wheel wells to the boattail then it would have some slight benefit now as is.
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2006 New Formula Red Honda Insight MT, 265k: (Build thread)
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