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Your Ride Reports / Re: Mississippi River Run
« Last post by Bajakirch on August 21, 2017, 09:05:52 PM »
That's a great road Baja.  Have you been to Wildcat Mountain State Park?  If not, next time you are out in that area take a detour to the area, it's unique albeit short ride.

Sure have, even camped there once. Lots of nice roads in that area too.
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Your Ride Reports / Re: Sunrise/Sunset Picture Thread
« Last post by Hog Dog on August 21, 2017, 05:27:55 PM »
Thanks Dan.  Caught the sun just right like a football between the uprights.
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Your Ride Reports / Re: 2017 Black Hills Rally - Sturgis without Sturgis
« Last post by Captainkirk on August 21, 2017, 11:15:58 AM »
Awesome pix and story. Thanks for sharing!
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Your Ride Reports / Re: 2017 Black Hills Rally - Sturgis without Sturgis
« Last post by NH750Kitch on August 21, 2017, 09:15:19 AM »
Great write up and pics as always Tim!  thanks for sharing  ridn2
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Your Honda Nighthawk / Re: My '96 CB750 "Dragon Bike"
« Last post by Wahrsuul on August 21, 2017, 08:25:48 AM »
Yeah, I saw on the news, that we have between 500 and 700k people showing up in the area for the eclipse.  Didn't realize we're in one of the areas were it'll last the longest.  I'm going to try to get home by then, but we'll see how work goes.
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General Motorcycle Discussion / Re: What did you do to your Nighthawk today??
« Last post by NH750Kitch on August 21, 2017, 07:08:09 AM »
Congratulations my friend!  A pleasure and you will not be disappointed  ridn2

Since Precious herself was also there, it was her pleasure to escort you and your NC (a respected fellow Honda and stable mate) out for a proper send off out on some back roads before you turned for home.

https://www.flickr.com/photos/147132777@N06/shares/0GyoPB
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General Motorcycle Discussion / Re: What did you do to your Nighthawk today??
« Last post by mollusc on August 20, 2017, 08:24:07 PM »



Got my Nighthawk a sibling today, courtesy of NH750Kitch on this forum.
Bike details at http://nighthawk-forums.com/index.php/topic,3266.msg29389.html
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General Motorcycle Discussion / Re: What did you do to your Nighthawk today??
« Last post by skramer360 on August 20, 2017, 05:40:38 PM »
Just rode the snot out it, is all. And a bit of cleaning afterwards (it was a pig-mess!)
I can identify with that. I just ride mine all the time, but I never wash it. It looks terrible. I'd wash it more often, but the place I park it at work that is very safe makes it very dirty from wind born dust and dirt.
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General Motorcycle Discussion / Re: Placebo or Real? 87 or 92 octane
« Last post by MrF on August 20, 2017, 02:26:42 PM »
If the octane rating was the only difference, it has to be a placebo.  Like other folks have said, it's likely that the premium fuel is mixed with a better additive package that cleaned some gunk out.  It's also possible that it's not a 10% ethanol blend, which is hard to find these days.

Octane rating doesn't correlate to the specific energy of the gasoline or the performance you'll get out of it.  The octane rating is only a way of expressing how resistant the fuel blend is to pre-detonation.  What we see on the pumps here in the US is technically the Anti Knock Index (AKI).  If you look closely at the sticker, it actually has a formula on it: (R+M)/2.  AKI is the average of the research octane number (R), and the motor octane number (M).  The difference between the two is how the test motor is run.

Gas that's rated at 87 octane should resist detonation just like a mixture of 87% Octane and 13% Heptane.  (AVGas is measured differently, before someone brings up 110LL.) But no gas that you buy is just octane and heptane, it's a blend of a lot of different isomers and additives which is why you can't directly correlate Octane rating to how 'good' the gas is, just to how well it resists detonation.  In fact, in a pure Octane/Heptane blend, a lower octane rating equals greater energy content in the fuel since heptane has a higher specific energy than octane.

I think the misperception that a higher octane rating means a more powerful fuel is based on two things:  First, high performance cars tend to require higher octane gas.  This makes people think that it provides more power, when in reality the car just has a higher compression ratio.  The higher compression ratio requires a gas with higher detonation resistance, but also increases the efficiency of the Otto cycle to the point that a lower specific energy in the fuel doesn't matter.

Second, most modern cars that take mid grade or higher have a statement in the manual that you can use the next lower grade, but with a loss of power and performance.  This feeds the myth that higher octane gas is more powerful.  In reality, the motor uses knock sensors to retard the spark advance in order to use the lower octane gas.  The loss in power comes from the timing that gets pulled, because of the pre-detonation.  Not because the gas has less power.

Are you getting the gas from the same station?  I'd put money on a different additive package in their high-grade gas.  If it's a different station it could be top-tier vs bargain brand, or 10% ethanol vs not.
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Your Ride Reports / Re: 2017 Black Hills Rally - Sturgis without Sturgis
« Last post by DesignFlaw06 on August 20, 2017, 10:37:33 AM »
That is such a cool trip, so wish I could ride there.  When did Guy get his FJR?  Does he still have his Sportster?  Great photos by the way, some of these photos are just downright amazing.

Guy bought the FJR not too long after the New Hampshire rally.  He figured out what good riding is apparently.  He claims he's never getting rid of the Sportster as he put way too much time and effort into rebuilding it. 

Who's got the 2005 FJR?  Brings back memories.....

That guy is Guy.  He's the latest addition to the Michigan crew.  He works with Gary, who has the 2014 FJR.
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