Subject: How does the Wankel work?
From: Rotary Engine
Date: 10/24/2006, 7:25 PM
To: AA-me


Ans: Yes but I don't know about the .591". It is small but finite.

Hi Paul,
.591 is 15 mm....... the eshaft eccentricity.  Why don't you guys stick
to mm?   Speak the same language as Felix and Kenichi ! :)
Cya, Dave McC

As Vance (RIP) was fond of saying: "we got to the moon on inches."
Where have the metric crowd been? :)

Paul Lamar ...No rotor no motor.

Paul,
Must agree with you totally here. I grew up with Inches as did Dave,
however even the English have moved to metric, I don't know why they did
that.  I find I have to do everything in duel measurements now.
However I do find it easier if it's made in Metric, as is the Mazda, to
measure it in Metric. I fully understand your reluctance to do so as I was
exactly the same, but in the end I had to convert.

I was watching a English program the other day on home modifications and
this chap was measuring a doorway in metric and explaining what he was
doing, low and behold he suddenly said "measure six inches each side" - he
suddenly relapsed into Imperial measurement. The younger generation work in
Metric only - but we older blokes have to do both. It's something I just had
to get used to.
George ( down under)

Everything in the US is still sold and measured in inches, feet,
yards, cubic yards, cubic feet et. etc .etc.. We still use MPH
and Kts. Trying to teach our budding engineers the metric systems
probably turns some of them off.

Paul Lamar



My grandsons LOVE the metric system. Which is a larger wrench a 10 or
an 11? Which is larger 9/32 or 5/16?

They complain when I grill them on fractions. One of these guys
breezed through calculus and thought it was too easy; this same guy is
helping (major help!) me build the RV and always has to stop and think
about which which wrench or drill bit or ... well you get the idea.

Which is larger a peck or a bushel?

An ounce is an ounce is an ounce, right? And a pound is a pound is a
pound. NOT. A pound of gold weighs less than a pound of lead. Go
figure. What part of an ounce is a carat?

Doc Custer
Retired software engineer and sometime Audiologist
Building RV9-A. Fuselage


"A pound of gold weighs less than a pound of lead."

No it does not Doc :) Gold per cubic inch is heavier
than lead per cubic inch. It is called higher density.
Next thing will happen somebody will say a pound of feathers
is lighter than a pound of gold :)

A pound is equal to about a buck eighty.

There are fluid ounces and ounces in weight.
A fluid ounce is a volume.

Is that a US peck or a UK peck?
1 peck [US] = 0.25 bushel [US, dry]

Which ounce are you talking about?

1 ounce = 141.747 615 625 carat [international]
1 ounce = 141.747 615 625 carat [metric]
1 ounce = 109.375 carat [UK]
1 ounce = 138.088 276 303 carat [pre-1913 US]
1 ounce [troy] = 151.502 566 001 carat [pre-1913 US]
1 ounce [troy] = 120 carat [UK]
1 ounce [troy] = 155.517 384 carat [metric]
1 ounce [troy] = 155.517 384 carat [international]
1 ounce-force = 2.834952313e-8 gigagram
1 ounce-force = 28.349 523 125 gram
1 ounce-force = 0.062 5 lb,lbs
1 ounce-force = 0.278 013 852 Newton
1 ounce-force = 18.229 166 667 pennyweight [troy]
1 ounce [US, liquid] = 2.397565036e-8 acre foot
1 ounce [US, liquid] = 0.000 206 516 barrel [UK, wine]
1 ounce [US, liquid] = 0.000 180 702 barrel [UK]
1 ounce [US, liquid] = 0.000 248 016 barrel [US, liquid]
1 ounce [US, liquid] = 0.007 812 5 gallon [US, liquid]
1 ounce [US, liquid] = 0.031 25 quart [US, liquid] 1/32


You get the idea.

Fractions are easy. Always multiply top and bottom
by the same number until all bottoms are equal
and then look at the top to see which is larger.

10/32 (5/16) is larger than 9/32.

Then adding and subtracting becomes easy.
The problem is the teacher.

This is what I use. With Linux it is running all of the time in
one of the 36 virtual screens. http://www.onlineconversion.com/

You handicapped Windows blokes can use the free Firefox browser
and run it all of the time in one of half  a dozen "tabs".
Not as nice as virtual screens but it is a start.

Paul Lamar ...No rotor no motor.

The Rotary Engine NewsLetter. Powered by Linux.
ACRE NL web site. http://www.rotaryeng.net
Copyright 1998-2006 All world wide rights reserved.