If you ever wondered about...

[Coil Coyle]

Wandering the internet I found a reference article I thought might star in a Post thread. ;)

So, when you find yourself reading an interesting technical article, add its URL into this string.

It'll give the bathroom laptop guys something to read in the can.

If you ever wondered about...
Cylinder head design, go to

http://www.beautyofspeed.com/data/cylinder_headtech/

Here is one, to start.
"useful rule-of-thumb: simply multiply piston speed by the ratio of cylinder bore and pipe areas.

Nominal gas speed were well below 200 feet/second in most vintage bikes, but in the AJS 7R of the 50's it was up to 220 feet/second. By 1972 the small diameter pipes on H-D's XR750 raised that engine's exhaust velocity to just above 300 feet/sec. The Triumph 650 TT Special I used to set a Bonneville record (and acquire an abiding dislike of Wendover, Utah) years ago also had small pies and 300-plus exhaust gas speeds. It had 1 3/8-inch pipes, which almost everyone thought too small. My slide rule said they were the right size, and the larger-diameter pipes we tried slowed the bike."


;)
coil

[Coil Coyle]

..are there any Tuners out there publishing the state of the art?

Go to
http://www.mototuneusa.com/ Read #16 first, He describes how the V's intake ports could be the root of the flat spot. and he continues the explanation with #19. You need velocity to keep charging when the piston turns around. Really, this guy is worth reading.

check out his porting ideas, its a newsletter, you sign up your email on the right below the first advertisements. The ads pay, he does not junk mail you.

;)
coil

[Coil Coyle]

O-Rings

Go to www.mcmaster.com page 3227- forward

8)

coil

[Lead_Deficiency]

Are the 83's pipes smaller than the 82's ?

[Lucky]

Not exactly on topic, but here is a great, customizable replacement tool bar for that boooring windows bar.

http://www.truelaunchbar.com

--Lucky

[Lucky]

what to do with the drier lint besides throw it away, Google: "recycle lint" you'll get 138,000 results!!!!
now you might say i really need to get a life for Googling 'recycle lint', but i'm not the one who spent time putting up all those web pages...

--Lucky

[Coil Coyle]

...your sanity. Go to http://www.globalspec.com/BrainStrainer/

;D
coil

[Coil Coyle]

... explaining a four stroke engine to a significant other.

Go to http://en.wikipedia.org/wiki/Otto_cycle

It's a Vision cylinder with bad ports.

;)
coil

[Coil Coyle]

...your YICS Bottle. :P

Go to http://www.phys.unsw.edu.au/jw/Helmholtz.html

;)
Coil

[kiawrench]

i went to coil's site,, read it once ,, now my brain-pan hurts----- owwwwwwww, too much science is da debbil  , bobby bouchet !!


   once i get it in and mull it over, it will make more sense ,then i will have more education in areas i dont use often.  thanks coil,, it helps to add in, even if i dont use it .

[Lucky]

siping tires:
http://www.discounttire.com/dtcs/tireSiping.dos

[h2olawyer]

Well worth the extra cost in snowy & rainy climates.  They do tend to squeal more when making tight corners in coated parking lots, though.

H₂O

[Coil Coyle]

How much Horsepower should a Fuel Injected Vision without and with NOS make?

About half of this.  8)

http://www.saarloos.net/content/view/35/52/

And back into his site to check out the wheel mod he did. I found this from MegaSquirt. If your thinking FI for a project the VMax/Vision thread is coming together around the microSquirt and 70 degrees.

;)
Coil

[hfarley]

All i gotta say is you guys spend way to much time in the bathroom. us women are in and out. we don't dawdle when it comes to doing our business. (we dawdle when it comes to make up, hair etc...)  :P
-Heather

[Walt_M.]

Why do women always go in pairs? Have you ever heard a guy address a group, 'hey, I gotta go to the can. Anybody want to join me?'