Re: Rim Pull - Sizing Manual Valve Actuators

Thanks Adolphus and Steve.

Circular slide rules like this?

http://www.alcott.com/alcpip13.htm

Lets hope that now that Carly is gone from HP they will start making real calculators again.

Paul

Steve McKenzie wrote:

> It wasn’t my intention to incite a holy war. I am at this minute
> pleading redemption at the altar of the great Slug. Have made my ritual
> offering of circular slide rules (with handy conversion tables on the
> back) and have been chanting from the Cambridge four figure log tables
> but to no avail. I fear the only atonement is to sacrifice my HP32s2 by
> ritualistic dismemberment (just as well I have two - heh,heh).
> Coming from an enlightened but still antidisestablishmentarianistic
> country, I do not view anthropomorphism based measurement units as
> "bad", any more than you would view a bloody axe as bad. Its just we put
> our faith in metal rather than flesh. I am just packing my bags for my
> annual pilgrimage to Sevres France to kneel before the only true
> Kilogram(me). Wonder what He will weigh this time?
>
> Cheers
>
> Steve
>
> -----Original Message-----
> From: Christopher Wright [mailto:chrisw@skypoint.com]
> Sent: Thursday, March 10, 2005 6:20 AM
> To: PipingDesign@yahoogroups.com
> Subject: Re: [PipingDesign] Rim Pull - Sizing Manual Valve Actuators
>
> On Mar 8, 2005, at 10:54 PM, Steve McKenzie wrote:
>
>>30kg = about 66 lbs . multiply by 1.2 (wet service) to allow for
>>stiction and you get about 80 lb.
>
> Oooh! Oooh! I have witnessed dimensional impurity! kilograms are mass,
> not force. I must now undergo the Buckingham pi sanctification
> ritual--dressing in sackcloth and ashes and become a mendicant eating
> locusts preaching to the heathen of the evils of feet and inches,
> gallons and units of measure not named for dead physicists.
>
> Alas! it would have been better for me had I been caught with resumés
> written in English in Montreal.
Received on Wed Mar 09 19:06:00 2005