The things you stumble across...

[TenOunce Tone]

I read a formula to figure out how deep a mine shaft is, I will find it and post in a couple of days.. have to remember where the file is...

 

[TenOunce Tone]

Ok found the formula, grab a rock and drop it down the hole then ...

To Find the Depth of a Shaft
Rule:Square the number of seconds a stone takes to reach the bottom and multiply by 16.

Thus, if a stone takes 5 seconds to fall to the bottom of a shaft

5 squared = 25; and 25 16 = 400 feet, the required depth of shaft.

This came from another forum, but I did read the same thing in an old mining book!

Cheers, Tone

 

[Ag Man]

How very cool!

We come upto Bendigo every now & then visiting friends - I'd love to come up for a look see or if we have a group field trip get together type thing one day.

Thanks for sharing the pictures & story thus far

 

[misscadillac1964]

Ill try it Tone!!

sounds like a plan Ag Man!

 

[BrisJoe]

Ok found the formula, grab a rock and drop it down the hole then ...

To Find the Depth of a Shaft
Rule:Square the number of seconds a stone takes to reach the bottom and multiply by 16.

Thus, if a stone takes 5 seconds to fall to the bottom of a shaft

5 squared = 25; and 25 16 = 400 feet, the required depth of shaft.

This came from another forum, but I did read the same thing in an old mining book!

Cheers, Tone

Does that calculation take into account the size of the stone? lol
Comparing a pebble drop to something th size of a cricket ball makes the calculation a little squ-iff

 

[dezman]

Interesting site, a candle and a bird for gas detecting maybe!

 

[casper]

Ok found the formula, grab a rock and drop it down the hole then ...

To Find the Depth of a Shaft
Rule:Square the number of seconds a stone takes to reach the bottom and multiply by 16.

Thus, if a stone takes 5 seconds to fall to the bottom of a shaft

5 squared = 25; and 25 16 = 400 feet, the required depth of shaft.

This came from another forum, but I did read the same thing in an old mining book!

Cheers, Tone

Does that calculation take into account the size of the stone? lol
Comparing a pebble drop to something th size of a cricket ball makes the calculation a little squ-iff

there ain't that much in it i think - Galileo had it all figured out back in 1500's that they accelerate at the same speed but arrive at slightly different times - someone here will know absolutely..

 

[wombat]

Try and use a video camara with a flood light attached. Make up a small platform with ropes attached to each corner, then attach the camara and flood light to the platform and lower it done the shaft. This way you will see if there are any off shoots on the way down and also see how stable the side of the wall are. If you have enough rope you may be even able to hit the bottom. It would be safer this way as well.
wombat

 

[Hunting the yellow]

yessssssssssssss take mmmmmmmmmmeeeeeeeeeeeeeeeee please I got a 60m rope please pm me

 

[Hunting the yellow]

When your trying to avoid work
love this place - from what I can tell from the work gear lying around it was last used in the 80's, looks like they literally just walked away and left it. First time i was there all the copper wiring and everything was still intact. Someones come and knocked all that since, but you could have quite easily walked in, do a days work and crank it up!

This is number 2 on my to do list

https://www.prospectingaustralia.co...3487_1150528_605475066142191_1277214638_o.jpg
https://www.prospectingaustralia.co...43570_1173714_605475029475528_534404885_n.jpg
https://www.prospectingaustralia.co...7843673_1149059_605475356142162_9026288_n.jpg
https://www.prospectingaustralia.co...44012_541745_605479422808422_1288841386_n.jpg

yes yes m8 im in when are we going

 

[Hunting the yellow]

wait to HTY sees this!!

Great find, hope its has some work left in it!

I saw it its on my to go down mine

 

[jethro]

Just as a point of interest, the diesel engine that I assume powers the winch etc is a Gardner made in England. Model is similar or the same as 6LW. Great sounding engine when running & very smooth. Check out Gardner diesels on youtube.