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#1
General Board / Re: Aurora
Last post by Ianab - Today at 05:20:55 PM
Lil's phone will automatically take a series of pictures from the same location and stitch them into one panorama. This would be near a 180 deg view from another spot we stopped at.


Lil aurora pano.jpg
#2
General Board / Re: Aurora
Last post by Ianab - Today at 05:01:48 PM
This is what's actually causing the show. A patch of sunspots are throwing out the extra particles. As the sun rotates they spray out in different directions, like a crazy garden sprinkler. You can actually see the sunspots if you look at the sun through a welding mask (or project a scope image onto a card to view).

https://apod.nasa.gov/apod/ap240511.html
#3
General Woodworking / Re: Watcha Makin'?
Last post by tule peak timber - Today at 04:46:46 PM
I don't use heat or moisture at all as I have a devil of a time getting moisture out of the wood in the first place. I use finer woodworking tools, such as masonry chisels, sledge hammers, wedges, a Caterpillar forklift and hydraulic jacks. Usually, the wood loses its errant behaviour; usually, but not always. In the one pic there is a low spot honeycomb suck out area that will need to be raised up and a false bottom put in the slab. You've gotta make the wood do what you want it to do.
#4
General Board / Re: Aurora
Last post by SwampDonkey - Today at 04:37:55 PM
I saw them at 2 am. Wasn't all that colorful, I thought they were thin clouds. But I said to myself  they have to be borealis. Didn't know until this morning on the radio. I wasn't all that impressed. ffcheesy  Starry sky here last night. Suppose to see more tonight. I think it is going to be mostly clear around mid night here. All the forecasted rain here was just the opposite, and more sun than was ever forecasted. Cloudy this afternoon with some sun, but sunny all morning. Planted some garden, onions.
#5
General Board / Re: Aurora
Last post by Ianab - Today at 04:34:02 PM
Yes the pictures from a decent camera are much better than our eyes can see. My pictures are from a DSLR on a tripod, with around a 5 second exposure. So the camera sensor can collect a lot more light over that time. Lil's new Samsung phone probably captured it even better, and also processes the image as it saves.

But the show here was naked eye visible, and across a wide area of sky, so it was brighter then what we occasionally do see, which is only a faint glow near the horizon. Even the faint glow in the first picture was naked eye visible as our eyes adjusted to the dark, and as the show picked up you could see the bands and streaks move.

Time to view it depends on exactly when the "storm" reaches Earth. Its basically a shower of extra charged particles that have been ejected from the Sun. If the get spat in Earth's direction, the get caught in the Earth's magnetic field and funnelled toward the poles, where they become concentrated as they enter the atmosphere. So they become bright enough to see, and they can dance as the waves of particles vary.


The show last night went from about 6pm to 9 pm, after that it basically vanished as that shower has passed. Phase of the moon also helps as less background light with no moon. Bonus was that the kids could also see the milky way properly, saw some shooting stars, and heard wild kiwi calling from the forest behind up. Kiwi have quite an eerie screech, especially on a quiet still night. Good background noise for telling camp fire stories...
#6
General Woodworking / Re: Watcha Makin'?
Last post by doc henderson - Today at 03:52:34 PM
does the retraining involve epoxy, heat, moisture, or clamps?  or all of the above.
#7
General Woodworking / Re: Watcha Makin'?
Last post by tule peak timber - Today at 03:31:39 PM
Pith in the center of slabs is the most valuable wood we have to offer. Sometimes it requires some work to develop into what you want it to do, but pith in boards/slabs are always hot sellers. It's interesting how customers vary from coast to coast. Don't get me started on sapwood. I sell a ton of that too raw or reworked.

Here are some pics of wood, all pith in, that went out the door today and one pith piece that I am "retraining" to behave itself and make $ for me instead of going in the trash heap. Beauty is indeed in the eye of the beholder.
#8
Sawmills and Milling / Re: Help with cutting stringy ...
Last post by Percy - Today at 03:12:46 PM
Ahhh, I misunderstood the title of this thread. I thought we were gonna have discussion/ whine off about stringy bark.  I think I would win that whine off. Regardless, carry on. 😁😁
#9
Sawmills and Milling / Re: 1989 LT40 hydraulic help n...
Last post by TimW - Today at 03:10:40 PM
I love discussing problems with Doug.  I always try to get him on the phone, when I have a problem or question. 
#10
Sawmills and Milling / Re: The Opening Face
Last post by GAB - Today at 03:07:46 PM
Concerning the opening face I sometimes let the customer determine that for me.  
A. When the log has been laying on the ground, I try and get rid of the mud section as soon as possible and not have my blade sawing into it.
B. When the log has butt flare and there is only one way to orient the log on the bed so the mast will get by without having to use a chainsaw for clearance.
C. When the branch stubs are such that the options are limited as to how to saw without spending a lot of time pruning a tree (YH ism).  One time I had the offbearer hold a block of wood between the tree and the log stop to get the tree far enough to be able to run the saw down the length.  After the first pass there was no more problem. 
Sometimes you have to be creative with what the customer desires sawed.
GAB

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