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What's on your mind today?

Buddy

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Re: What's on your mind today?
« Reply #14550 on: January 10, 2020, 06:33:59 PM »
I'm debating on if anyone would notice if I took a powernap at my desk.  :boring:
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Re: What's on your mind today?
« Reply #14551 on: January 10, 2020, 06:51:27 PM »
Go for it Bud, none of us here will notice or let alone care if you do take one.  8)
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billy rubin

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Re: What's on your mind today?
« Reply #14552 on: January 10, 2020, 07:17:05 PM »
when we first got married and my wife wasn't getting much sleep, she would prop her head up on her hands pointed at her computer screen and nap that way.


Into the distance a ribbon of black
Stretched to the point of no turning back
A flight of fancy on a windswept field
Standing alone my senses reeled
A fatal attraction is holding me fast how
How can I escape this irresistible grasp?

Sandra Craft

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Re: What's on your mind today?
« Reply #14553 on: January 11, 2020, 01:52:32 AM »
I'm debating on if anyone would notice if I took a powernap at my desk.  :boring:

Or would they care if you framed it as "powernap"?
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Ecurb Noselrub

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Re: What's on your mind today?
« Reply #14554 on: January 11, 2020, 01:58:22 AM »
The real question is whether anyone would notice if anyone did anything at all.  I suspect that whatever anyone does is, for the most part, irrelevant to everyone else.

hermes2015

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Re: What's on your mind today?
« Reply #14555 on: January 11, 2020, 03:34:27 AM »
The real question is whether anyone would notice if anyone did anything at all.  I suspect that whatever anyone does is, for the most part, irrelevant to everyone else.

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Ecurb Noselrub

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Re: What's on your mind today?
« Reply #14556 on: January 11, 2020, 05:23:48 AM »
The real question is whether anyone would notice if anyone did anything at all.  I suspect that whatever anyone does is, for the most part, irrelevant to everyone else.

I didn't take you for a Nihilist!
 :query:

Nihilist rhymes with Realist.  40+ years in the work force tends to make one a bit cynical. 

hermes2015

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Re: What's on your mind today?
« Reply #14557 on: January 11, 2020, 06:42:02 AM »
The real question is whether anyone would notice if anyone did anything at all.  I suspect that whatever anyone does is, for the most part, irrelevant to everyone else.

I didn't take you for a Nihilist!
 :query:

Nihilist rhymes with Realist.  40+ years in the work force tends to make one a bit cynical.

I agree 100%
“Who is to say that pleasure is useless?”
― Charles Eames

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Re: What's on your mind today?
« Reply #14558 on: January 13, 2020, 09:49:02 PM »
I'm debating on if anyone would notice if I took a powernap at my desk.  :boring:

If you do it right, you won't notice them noticing you anyway.  :sidesmile:
I lose myself infused in something more than what they've seen
I'm not a slave to greed
I don't embrace your make believe
I've never been for sale no matter what they think I need



billy rubin

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Re: What's on your mind today?
« Reply #14559 on: January 14, 2020, 05:22:49 PM »
this has been puzzling me all morning.




i've noticed that aluminum castings often have this cross-hatched pattern inside, both structural and cover castings.

why is it there? it's common on japanese stuff. less so elsewhere. ^^this is a chaincase cover for a fifty-year old BSA motorcycle. none of the triumphs i ever take apart have it.


Into the distance a ribbon of black
Stretched to the point of no turning back
A flight of fancy on a windswept field
Standing alone my senses reeled
A fatal attraction is holding me fast how
How can I escape this irresistible grasp?

Siz

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Re: What's on your mind today?
« Reply #14560 on: January 14, 2020, 05:41:48 PM »
this has been puzzling me all morning.




i've noticed that aluminum castings often have this cross-hatched pattern inside, both structural and cover castings.

why is it there? it's common on japanese stuff. less so elsewhere. ^^this is a chaincase cover for a fifty-year old BSA motorcycle. none of the triumphs i ever take apart have it.
Reinforcement.
Waffling - mimicking thicker material, without the thicker material. Used in construction for centuries.
« Last Edit: January 14, 2020, 05:55:49 PM by Siz »

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billy rubin

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Re: What's on your mind today?
« Reply #14561 on: January 14, 2020, 07:07:37 PM »
interesting that the british would use it here. they were not generally sophisticated about casting technology. or about anything, for that matter.

i have one motor with the foundry techn ician's initials appeaing inside the castings, raised, in reverse, where he scratched them into the sand before pouring the metal.


Into the distance a ribbon of black
Stretched to the point of no turning back
A flight of fancy on a windswept field
Standing alone my senses reeled
A fatal attraction is holding me fast how
How can I escape this irresistible grasp?

jumbojak

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Re: What's on your mind today?
« Reply #14562 on: January 14, 2020, 07:24:20 PM »
You can get the same strength using less material with reinforcement ribs.
 

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billy rubin

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Re: What's on your mind today?
« Reply #14563 on: January 14, 2020, 07:47:38 PM »
the reason i was curious was because they don't seem deep enough to actually apply significant strength. i was wondering as to whetherthey had something to do with holding the sand in place s th e metal cooled.

that was a 67-68. here's the same motor, by 1972:



they gave up on it, ap[parently.

they improved the oil drain as well. th eold ones use a cover screw with a recess in the cover casting to serve s a drain and another as a level plug. they always leak, and i have a huge puddle under my 1969 B44. by 1972 they still were drinin oil through a cover screw, but had a large boss with a small driullway to use as a level. the americans were on th emoon already, and BSA had not yet discovered drain plugs.

but here's a 67 primary cover. no cross-hatching, but plenty of strengthening ribs. same year.



what were they thinking?
« Last Edit: January 14, 2020, 08:27:17 PM by billy rubin »


Into the distance a ribbon of black
Stretched to the point of no turning back
A flight of fancy on a windswept field
Standing alone my senses reeled
A fatal attraction is holding me fast how
How can I escape this irresistible grasp?

Icarus

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Re: What's on your mind today?
« Reply #14564 on: January 15, 2020, 02:51:23 AM »
 The Brits also used Kraft paper gaskets so as to guarantee that the new bike would leak oil onto the showroom floor.  Baking tins, under the bikes,  were standard fixtures on the showroom floor.  I think that the Luddites in Britain were still up to their mischief.  They used cork clutch linings too.  Smoothest clutch ever until you let it slip just s little bit which scorched the cork surfaces and made the bike useless because it would not engage with the burned cork bits.

Despite all that, most of the Brit bikes were better performers than our hallowed Harley and Indians of the day.  Then came the Japanese bikes and proceeded to  knock all our dicks into the dirt.

P.S. The new Triumphs do not leak oil.