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  Primitively Crafting A Knife Handle--part 2
Posted by: storm - 04-21-2004, 04:33 AM - Forum: Hoodlum Workshop-Photos Please - Replies (4)

after burning that stick of maple to size (for a knife handle), i used an antler chisel to split the handle (in the photo you can see the hammer stone, the dented handle where the wedge bit into the wood, and the elk antler chisel):

[Image: 51657928.jpg]

here's the split handle:

[Image: 51657922.jpg]

see that knot in the handle? i'm gonna chip it out so that a stone blade will fit in its stead. here's the second split in which a section is removed:

[Image: 51657913.jpg]

now to secure the blade to the handle. here's a chunk of deer hide glue that i made this winter:

[Image: 51657911.jpg]

heating up the glue (in water) in some creek-clay primitive pottery on the fire:

[Image: 51657909.jpg]

using some cordage to hold the knife together, i started to drip some hide glue where stone and wood meet:

[Image: 51657902.jpg]

[Image: 51657903.jpg]

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  Primitively Crafting A Knife Handle--part 1
Posted by: storm - 04-21-2004, 12:54 AM - Forum: Hoodlum Workshop-Photos Please - No Replies

after struggling to reach such a lofty goal of using antler for stone knife handles, i look back on this and wonder--why did i spend so much time working with such a tough material? there's a forest of wood around me--use it! i went out and found a big-leaf maple stick:

[Image: 51643236.jpg]

burning off one end:

[Image: 51643220.jpg]

[Image: 51643204.jpg]

then i used a piece of a coarse quartz crystal bed (laying on its side so you can see the crystals stick out on its right side) to sand the char off the burned end of the future knife handle:

[Image: 51643160.jpg]

burning off the other end:

[Image: 51643173.jpg]

i'm probably finished shaping the handle:

[Image: 51643166.jpg]

next, i'll try to split the wood with an antler wedge and fit the stone blade to the handle...

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  Finished Coal-burning
Posted by: storm - 04-21-2004, 12:31 AM - Forum: Hoodlum Workshop-Photos Please - No Replies

i built a smaller fire in the bowl to deepen it:

[Image: 51641047.jpg]

but when i considered the container finished, i noticed a crack had recently formed:

[Image: 51641058.jpg]

i probably shouldn't have kept the wood block indoors at night. i'll fill the crack with pitch:

[Image: 51641067.jpg]

i've already started coal-burning a smaller container...

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  What If........
Posted by: pinebaron - 04-20-2004, 01:55 PM - Forum: Weapons FAQ - Replies (27)

If the poop hits the fan NOW What weapon(s) would you grab and why. Duration of this event is unknown as well as the size of the affected area. Try to be spontaneous.

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  Rocks That Didn't Survive The Stone-boiling
Posted by: storm - 04-20-2004, 01:45 AM - Forum: Hoodlum Workshop-Photos Please - Replies (11)

[Image: 51556627.jpg]

about one-third of the rocks i tested for stone-boiling capabilities exploded (i use that term carefully--no shrapnel noticed during the burning and quenching.

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  Coal-burning--second Round
Posted by: storm - 04-20-2004, 01:43 AM - Forum: Hoodlum Workshop-Photos Please - No Replies

[Image: 51556594.jpg]

since this container will be a bit large for one-person use, i'm going to build smaller fires in the middle of the burned area to deepen the bowl into a fat cone shape. i also tried to burn one side down a little so that i could better pour liquid on that side.

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  Coal-burning And Stone-boiling
Posted by: storm - 04-20-2004, 12:52 AM - Forum: Hoodlum Workshop-Photos Please - No Replies

since the fire from the copper-melting experiment was still burning, i decided to get a block of cedar from behind my cabin and coal-burn a large stone-boiling container.

add some coals from a fire to the surface of the wooden block, and it begins to burn a 12x14 inch area:

[Image: 51462887.jpg]

add wood to it from time to time, and the heat grows:

[Image: 51462834.jpg]

don't want the fire to burn the bowl's top edge, so i packed the outer rim with wet sand, then water regularly:

[Image: 51462845.jpg]

fire's burning down:

[Image: 51462873.jpg]

time to scrape the bowl of ash and burning wood:

[Image: 51462854.jpg]

well, for this first round of coal-burning, it holds 3 quarts. plenty for one-person use:

[Image: 51462861.jpg]

that campfire is still going, so i toss in all of my boiling stones--i want to "weed out" the rocks that will explode.

adding hot stone to nettles and water:

[Image: 51463170.jpg]

water boiling:

[Image: 51463166.jpg]

mmm, nettles good... <img src='http://www.hoodswoods.net/IVB/public/style_emoticons/<#EMO_DIR#>/ph34r.gif' class='bbc_emoticon' alt=':ph34r:' />

[Image: 51463159.jpg]

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  Trying To Melt Copper Primitively
Posted by: storm - 04-20-2004, 12:50 AM - Forum: Hoodlum Workshop-Photos Please - Replies (12)

yesterday i had a fire going from 6am to 6pm, and tried to melt some copper ore...

a piece of native copper (1 pound, 15 ounces):

[Image: 51462299.jpg]

42 pounds of dried polypores (90% red-belted conks):

[Image: 51462287.jpg]

burning the copper in the fungus fire (the copper is just right of center):

[Image: 51462272.jpg]

after about 20 minutes, green flame was burning around the copper:

[Image: 51462266.jpg]

the copper was getting a dull-red hot:

[Image: 51462255.jpg]

but the polypores burned out after 1.5 hours. so i stoked it back to life with softwood (Douglas Fir):

[Image: 51462261.jpg]

and stoked it again:

[Image: 51462233.jpg]

but didn't succeed in melting the copper. curiously, at the metal ore's hottest, the surface would turn bright copper-colored when i would brush it with a stick. then it would fade back to rock-color.

[Image: 51462223.jpg]

i suppose it's obvious that i need forced air to increase the temperature of the fire. deer-skin bellows? any ideas?

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  Rehydration Formula
Posted by: Berkeley - 04-19-2004, 10:06 PM - Forum: Questions and Answers - Replies (4)

First... howdy! Long time fan, but haven't posted since the EZBoard days.

I was watching the Desert video and the comments on dehydration and salt loss triggered a memory. I remember hearing about a field-formula for a rehydration drink. One quart/liter water, three fingers of salt, one fist of suger. (Three fingers meaning as much salt as you can hold with three fingers... same with the fist.) Does this sound right? I've tried it and it tasted salty <img src='http://www.hoodswoods.net/IVB/public/style_emoticons/<#EMO_DIR#>/tongue.gif' class='bbc_emoticon' alt='Tongue' /> not at all like a sports drink. I'm not trying to replicate a sports drink, just wanting to know if my memory has any basis in reality! <img src='http://www.hoodswoods.net/IVB/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Big Grin' />

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  Epirb's Andplb's
Posted by: alco141 - 04-19-2004, 09:28 PM - Forum: Questions and Answers - No Replies




International Certification Standards Questioned

All GPS-equipped 406 MHz Personal Locator Beacons (PLBs) and marine

Emergency Position Indicating Radio Beacon (EPIRBs) are not created equal.

In a finding of a recent test of PLBs and EPIRBs from three manufacturers,

the GPS location function of one manufacturer's products routinely failed

to acquire a GPS location when tested under other than ideal conditions. An

equally important test finding was that the international standards to

certify the GPS-enabled 406 MHz beacons fail to take into account the

real-world conditions that often exist when beacons are activated.

PLBs became legal in the continental U.S. last July and many pilots have

purchased them as a practical and affordable alternative to installing a

406 MHz ELT, an expensive proposition. The FAA has even gone on record as

recommending them to General Aviation pilots who want the advantages of 406

MHz distress alerting. They have the added advantage of being able to also

be taken along on outdoor sports or boating activities, not being tied to

the aircraft as is an ELT.

PLBs have been particularly popular for outdoor sports enthusiasts who

venture beyond well traveled trails and campgrounds, out of bounds skiers,

paddlers of wilderness rivers and the like. GPS-enabled EPIRBS have been

available for boats for a number of years and many boaters are also looking

to PLBs as a more compact and potentially less expensive alternative.

The test was conducted by the Equipped to Survive Foundation and funded in

part by BoatU.S. Foundation for Boating Safety and Clean Water and West

Marine. The beacons were specifically tested for their GPS functionality,

or their ability to "self-report" their location to Geostationary (GEO)

satellites, which can relay the location information nearly instantaneously

to rescuers. Other issues such as battery life and signal attenuation in

some real-world conditions were also examined.

All of the tested emergency beacons primarily use the 406 MHz distress

alerting frequency in conjunction with the COSPAS-SARSAT system of Low

Earth Orbit satellites and Doppler principles to provide position

information. The report did find that all of the tested beacons

successfully allowed a Doppler location to be derived - even in

circumstances such as the bottom of a narrow and deep gorge - a minimal

acceptable level of distress alerting. However, the purpose of GPS-enhanced

406 MHz beacons is to save precious rescue time by supplying much more

precise location information via their own GPS-derived location through GEO

satellites - ever present in the sky - rather than waiting for an orbiting

satellite to appear in view and then obtain a less accurate Doppler

computed location.

Equipped to Survive Founder Doug Ritter said, "Unfortunately, in the

testing, the off-the-shelf McMurdo Ltd. 'Precision 406 MHz GPS EPIRB'

(also known as G4 406 MHz GSP EPIRB)and McMurdo Ltd. 'Fastfind Plus 406 MHz

Personal Location Beacon' (also known as the Fastfind Plus 406 MHz PLB)

failed to reliably acquire a GPS location 'fix' under operational

'real-world conditions.' The tests revealed that purchasers of these

GPS-equipped 406 MHz beacons - who paid a premium for the added GPS

technology in anticipation of potentially shortening rescue response with

faster location information and increased location precision - are

apparently not getting what they paid for, and are operating under false

expectations. This lack of GPS data could result in tragedy that might have

otherwise been prevented," continued Ritter.

BoatU.S. Foundation President Ruth Wood said, "Emergency beacons are often

called upon to send an alert during inclement weather or less-than-perfect

conditions. We tested the six beacons aboard a life raft, floated them in

the water tethered to an inflatable or held by a swimmer in moderate

one-to-eight-foot swells, the study showed clearly that the not all these

beacons operated equally," she said. Inland performance was mixed, with

McMurdo's PLB failing to acquire a GPS fix where handheld GPS receivers had

no difficulty acquiring a location.

The evaluation was divided into three distinct phases: Baseline, Maritime

and Inland. Within each of the latter two phases, a series of tests was

designed to replicate real-world conditions, with variables such as sea

state, limited horizon, forest canopy, mountains and the number of GPS

satellites in view.

On the water, the McMurdo beacons failed to acquire a GPS location in all

planned scenarios tested. The McMurdo EPIRB did acquire a location on the

water in one instance when it was given a special opportunity with ideal

conditions. The ACR EPIRBs acquired a location in all but one tested


Inland performance was mixed, with McMurdo's PLB failing to acquire a GPS

fix in a small forest clearing where handheld GPS receivers had no

difficulty acquiring a location, in a simulated rain scenario, or when

initially activated with an obscured sky view and then relocated to where

it could view the GPS satellites. In the baseline testing, the McMurdo PLB

failed to acquire a new location when relocated. McMurdo's marine

GPS-enabled "Precision" EPIRB did similarly poorly in the marine tests. The

conclusion is that users of the McMurdo self-locating beacons may expect to

find that GPS-derived location may not be transmitted unless environmental

conditions are generally benign and the beacon is stable, and unless there

is a largely uninterrupted sky view covering most of 180 degrees above and

360 degrees around the beacon location. The ACR Electronics GyPSI PLB and

Techtest 500-27 PLB fared much better.

Additionally, the study identified other factors that could impact a 406

MHz beacon's GPS performance, as well as some generic 406 MHz beacon flaws

worthy of note. A PLB that relies on an external GPS source is entirely

dependent on the performance of that external GPS source - and the quality

of GPS receivers varies significantly; submerging the base of some PLBs'

antenna in water can adversely affect their ability to successfully

transmit an alert under some conditions or to provide an effective 121.5

MHz homing signal.

The Equipped to Survive Foundation issued 17 specific Conclusions and 23

critical Recommendations for action based on the test results. Said Ritter,

"The bottom line is that while the international COSPAS-SARSAT system does

an extraordinary job of saving lives, the COSPAS-SARSAT testing standard

for GPS performance needs to better reflect real-world conditions. Consumer

expectations regarding performance of these emergency beacons are very high

- this is one area where those expectations must be better met."

A detailed summary of the 200+ page report is available on the Equipped To

Survive web site at: [url="http://www.equipped.org"]http://www.equipped.org[/url]

The non-profit Equipped To Survive Foundation is dedicated to saving lives

by raising awareness of potential survival emergencies, promoting

preparedness as the key to surviving life-threatening circumstances,

performing research and offering objective information to allow intelligent

selection of effective survival equipment and supplies, providing education

in practical survival techniques and procedures, and encouraging

development of new and improved survival equipment, supplies and

techniques. It publishes Equipped To Survive (http://www.equipped.org) as its

primary educational outlet.

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