Jump to content

Does anynone know what this is?

Mega Scooter

Recommended Posts

Does anyone know what this is? I found it near a rain gage at the Rustlers Peak Lookout Tower site. It has four sticks on a balance beam with a pointer. There are one unit graduations from one to fifty from bottom to top, and the units get closer together as the numbers get higher. I’m trying to convince myself that it measures humidity, the more humid the air the heavier the sticks get. No, I don’t believe that for a minute. What is this really and how does it work?




Link to comment

Thanks foxtrot xray and jwahl. You guys are two of the many reasons why I love this Forum. The problem I was having was; it hadn’t occurred to me that you could take the sticks off the scale and expose them to the environment. :( I guess the numbers indicate percent moisture. Mystery solved.



Strange mechanical devices like that intrigue me, so when JWhal mentioned what it may be for, I dug around. :D


Personally, the weighted 'calibrated' sticks and all is a darn nifty idea. :P

Link to comment
Here it is at Forestry Supply


Fuel Moisture Scale Forestry Supply Catalog

"Ten-Hour Fuel Moisture Sticks"? Please tell me that doesn't mean you have to run out and change them 2.4 times a day...



Hi Patty,


I found the sticks on the scale at the unoccupied LOT. I think they put them into the environment for ten or so hours until they reach equilibrium and then weigh them.



Link to comment

One use schema I can imagine is that these are used to evaluate whether conditions are safe for a prescribed burn. That would be a go or no-go evaluation.


I can also imagine that during fire season the 'stick's' could be put down on their little stand most of the time. When a reading is desired, someone picks them up, weighs them on the scale, enters it into a log like other weather measurements and then puts the sticks back onto their ground stand. Nothing to keep you from doing that every hour if you wanted to.

Edited by jwahl
Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...