I think you just wanted some Pi with your coffee. :-)
Bryan
----- Original Message -----
From: TC <[EMAIL PROTECTED]>
To: V-MAX TECH LIST <[EMAIL PROTECTED]>
Sent: Tuesday, March 14, 2000 12:20 PM
Subject: Re: Kerker Vs. Hindle
> I was looking through some old posts and picked out some quotes that
> essentially support using an 18" can, (and the two brothers system
> comes with a 17 3/4" can or something close to that as default but
> otherwise on Hindles you have to say what you want), the post excerpts
> are listed below. What is cool ... is if you measure the reflection
> baffle at the front of a stock can to the end plate it is 9 3/4 inches
> .... then the tube exiting the can is 8 3/4 inches and 1 inch away
> from the reflector at the front. If you measure the end angle at the
> tail of the stockers you end up with an arrangement that aims the
> pluses right down the middle of the exit tube, (after bouncing off the
> front reflector ... the holes are arranged so that the exhaust cannot
> directly exit via the pipe). Anyhow .... this averages out to an
> approximate travel distance of 18 inches to get out of the can ...
> (which is a multiple of 9 inches and a magic number for resonance near
> our peak HP operating range). Additional support for the fact that a 1
> 3/4 baffle is going to be close to stock performance appears when
> calculating the exit surface area of the containers. On the newer
> stock pipes there are 8 staggered holes at the front of the can ...
> this represents a total exit surface area of 3.14 inches adding the
> two cans together but of course you have yet to get out the end of the
> two 1 1/4 inch tailpipes and they calculate to a total exit surface
> area of 2.45 inches ... On a single canister with a 1 3/4 hole you end
> up with a total exit surface area of 2.40 inches ... cool huh ?? It
> appears there may be a relationship between the exit area of these two
> systems and their performance not to mention support from the stock
> design implying that 18 inches is an important number. Soooooooo ... I
> realize that is nice to have the "in" hole a little bigger than the
> "out" hole ... but it looks like an exit pipe in the range of 1 3/8 to
> 1 1/2 inch might suffice in unrestricting the front end surface area
> of 3.14 inches which by the way happens to be very close to the exit
> surface area on a 2 inch single can, (which is also 3.14). Isn't math
> neat ?? Am I drinking too much coffee again ?? OK ... go ahead ...
> beat me up ....
>
> Previous post quotes:
>
> "My bike picked up 3 hp going from the 16" to the 18" as well as 2 ft
> lbs of
> torque so I would definitely recommend the 18". "
>
> "I had ordered the hindle 4/1 setup from PCW, 2" polished aluminum can
> and
> forgot to spec the length.Due to comments from Don and others I wanted
> the
> 16" can and told Scott at PCW on the return call. Scott said they sell
> the
> 18" with the setup because the Dyno runs show 2-3 horsepower increase
> with
> the longer muffler. "
>
> " Do what scott at pcw says. I have the 2". Its perfect! And not
> annoyingly loud
> either. "
>
> " Can anyone that has the Hindle with the 2" straight bore polished
> aluminum
> can give some input on how loud it is.Scott at PCW claims you actually
> will
> lose a little power over stock by using the 1 3/4 stealth canister. "
>
> " Scott from PCW said that the 1 3/4 wasn't a straight thru exhaust
> like the
> 2".According to him it wraps and actually backflows to reduce the
> sound.I
> trusted him . He also stated that the stock system designed for the
> Max has
> good flow and hard to beat, other than the increased weight as opposed
> to
> the Hindle setup. "
>
> end of post ......
> campbell
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> Subject: Re: Kerker Vs. Hindle
>
>
> > Hi Phil,
> > When I bought my max, I was on the phone with them (Scott) in
> regards to the
> > best pipe to use.
> > snip <
> > Stan
>
>
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