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Forum topic by SJThrasher posted 06-07-2020 07:12 PM 411 views 0 times favorited 5 replies Add to Favorites Watch
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SJThrasher

38 posts in 2100 days


06-07-2020 07:12 PM

Topic tags/keywords: wood identification species

A friend gave me a board. This board has been sitting in the desert for years. The first picture is how it looked when I got it, kind of like it was used as scaffolding. The other pictures are just random showing the grain and color. The pic of the sanding drum shows sap buildup after one pass each on three of the boards. I’ve never seen this much sap in any wood, let alone wood that has been “curing” in the desert for years. Smells like pine when cutting/sanding and is extremely dense and heavy, similar to old-growth oak. And yes, all four pieces came from one, 8-ft board. Hoping some of the experts here can shine some light on this.
Also, please excuse the strange, dark lines…apparently LED tube lighting shows up different on the camera.


5 replies so far

View Bill_Steele's profile

Bill_Steele

714 posts in 2541 days


#1 posted 07-01-2020 02:13 PM

That looks like Pine to me and sap would almost be expected with Pine. That sanding belt is really gummed up. You might try removing it from the drum and soaking the belt in Simple green overnight—scrub it with a brush and rinse off—should clean up fairly well.

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SMP

2275 posts in 715 days


#2 posted 07-01-2020 03:53 PM

It doesn’t have any particular smell when sanding? Like eucalyptus or pine or anything?

View bondogaposis's profile

bondogaposis

5807 posts in 3161 days


#3 posted 07-01-2020 04:11 PM

Looks like pine, probably Ponderosa.

-- Bondo Gaposis

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SJThrasher

38 posts in 2100 days


#4 posted 07-03-2020 01:18 PM

SMP: super aromatic when sanding and cutting. Strong scent of “Pine”.

Bond: thanks for that. I’ve come to the conclusion that it must be some sort of pine.

Bill: sandpaper is cheap. I didn’t think about soaking it, I just put a new sheet on the roll. I cut off the good ends and will use them for rough sanding.

For everybody, thanks for the replies. The thing that threw me is that this wood is very hard (I’m sure there is a device to measure this, but I don’t have one in my shop) and super heavy. I’ve never come across pine that felt like this.

View Axis39's profile

Axis39

277 posts in 407 days


#5 posted 07-03-2020 01:25 PM

I have some southern yellow pine that was cut down in 1855. It was floor joist sin a buddy’s house, that had to be replaced (foundation issues). It looks very similar too what you have there…

When just sitting, the sap has turned to something that looks like amber, but the minute you heat it up with sandpaper, it gets gummy. I have to be very judicious about cleaning sanding belts and disks. But, it makes great guitars! LOL

A sharp blade in a hand plane does wonders. Card scrapers work well too.

-- John F. SoCal transplant, chewer uppper of good wood

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