[TheForge] opinions please, 2 Qs

Sat Apr 13 01:15:09 EDT 2013

It's not a bad idea Bruce but coil springs present lateral stability 
problems. Leaf springs on the other hand are laterally solid, especially if 
they're  mounted at different angles. that way they couldn't sway, they'd 
have to compress the lateral springs lengthwise and if you're hitting stuff 
that hard . . . Nevermind. To control the boinky nature of spring mounted 
machinery do what the pros do and include some shocks. Heck, you could have 
the only air ride hammer on the left coast.

Heck, forget the springs and mount it on semi scale air rides (air bags) and 
it'd not only be impact nullified but much quieter.

Pete's "air ride Anyang" has a nice ring to it eh?

Jer
----- Original Message ----- 
From: "Bruce ." <freemab222 at gmail.com>
To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Friday, April 12, 2013 1:28 PM
Subject: Re: [TheForge] opinions please, 2 Qs

> Pete -
>
> Go ahead with the hammer, but mount it on a slew of coil truck
> springs, like Cheyenne Mountain.  Then if you're really good, you can
> set up a resonance while using the thing that will bounce the anvil UP
> as hard as the hammer comes DOWN and you'll not only "silence" the
> thing vis-a-vis geological effect, but also get a blow twice what you
> would normally.  Not to mention it would be way cool.
>
> But you don't have to worry about the cliffs lasting much longer,
> anyway.  I'm sure that Big Sur is high on the list of potential
> fracking sites...
>
> On Fri, Apr 12, 2013 at 5:53 PM, Peter Fels & Phoebe Palmer
> <artgawk at thegrid.net> wrote:
>> Jerry, we are on the tumbled, wrinkled scrapings resulting from tectonic 
>> plate subduction. Under us we have 2 kinds of sandstone, chert, pillow 
>> lava, prehistoric beaches, clay layers and who knows what all. Because 
>> it's so steep, the little creek has cut deeply and the  scaling ravine 
>> walls  are pretty darn vertical as it nears the ocean. Coming up off the 
>> beach, the first 100' or so is also vertical, heavily fractured rock. 
>> Roughly the angle of repose sloping up the mtn to us. I don't see any 
>> real possibility of stabilizing structures and figure that at the age of 
>> 68 there's no point in even trying.
>> Like our last place, this place is on it's way into the ocean. We are 
>> betting we will croak before that happens, but who knows..geologicqal 
>> time is pretty brisk here.
>> OTOH, i'm probably over estimating the vibrational impact of the  little 
>> 165# hammer, given the fact that we have a major scenic hwy behind us 
>> with dump trucks and tour busses rumbling by every day. The hammer site 
>> is a fair distance from the most unstable faces.
>> The Caltrans crews have fairly completely turned over in the last few 
>> years and almost all of the old guys are gone. There was a scandal ( 
>> mostly pure BS driven by an AH bounder with bureaucratic ambitions) and 
>> the new guys are nice enough but divorced from most accumulated 
>> knowledge...That fiasco will prove expensive in the long run.
>>
>> On Apr 12, 2013, at 2:20 PM, Jerry Frost wrote:
>>
>> Pete, it wasn't an analysys as much as just my memory running. I haven't 
>> driven past your piece of Cal. in I don't recall how long, 99 I think 
>> maybe. I've driven 1 a few times since moving to AK, maybe 4 times but 
>> I've never put boots on the ground there. Close maybe but probably not 
>> within many miles.
>>
>> As I recall the geology on the western face in your general neighborhood 
>> is quake fractured whatever the stone. Even stabilizing techniques pose 
>> hazards. I'd need to do some drilling and sampling to pose even 
>> rudimentary methods. I'd be scared to consider doing water packers at all 
>> but it'd probably be a useful test. No! Don't do water packers!
>>
>> I'd say the toe of your face is being washed by the Pacific and will fail 
>> eventually, whenever that is, it's sure as death and taxes. Making a 
>> corner stable eough to take a little power hammer action isn't an 
>> unreasonable expectation. I'm thinking your judgement in when to use it 
>> would be more important than any foundation or slope stabilization design 
>> I could suggest, even with a good subsoil report in hand. And YEAH, I 
>> still have friends I can consult. I don't know if any of the Caltrans 
>> guys would remember me but there is one guy in FHWA who would if he 
>> hasn't retired.
>>
>> I'll see if I can drum anyone up who has first hand info or even field or 
>> submitted reports/recomendations/ etc. I think I'll do some searching and 
>> see what's what.
>>
>> Jer
>> ----- Original Message ----- From: "Peter Fels & Phoebe Palmer" 
>> <artgawk at thegrid.net>
>> To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
>> Sent: Tuesday, April 09, 2013 10:37 PM
>> Subject: Re: [TheForge] opinions please, 2 Qs
>>
>>
>>> Good analysis Jerry!
>>> What i fear here is water percolating down through fractured rock
>>> to a slanted clay layer below.
>>> The vulnerable slope's toe is completely gone on 2 of the 4 sides of us, 
>>> though we are solider than talus...i think.
>>>
>>
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>
>
> -- 
> Bruce
> NJ
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