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Steve Clayton Wrote:
-------------------------------------------------------
> Ref:
> [en.wikipedia.org]
> _device
>
> Using a rope as a lever
>
> You understand what a lever is. But can you use a
> rope as a lever? You can if you are using is as
> shown in the figure. Arrange a strong column at a
> steep angle, apply a firm attachment from the rope
> to the column and the object to be lifted, and
> apply the force horizontally, and get a great
> multiplier of force. If one combines the
> mechanical advantage of pulleys in the horizontal
> force applier, you could get even greater lifting
> force. Picture the application in the figure, and
> in this case, you could get great lift upward then
> add planks of wood to support the load at height,
> reset, and lift again, and add more blocking, and
> lift, repeat. This technology has been lost in
> history, as the use of winches with low friction
> wheeled pulleys and reduction gearing powered by
> steam and then electricity (along with steel cable
> replacing rope) took over this primitive
> technology.
>
>



Hello Steve Clayton:

By what mechanism is the “Force Applied”?



Dr. Troglodyte


“Quis custodiet ipsos custodes?“ - Decimus Junius Juvenalis
Η άγνοια είναι η μητέρα του μύθου και του μυστηρίου.


“Numero, Pondere et Mensura“


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Subject Views Written By Posted
Lost Building Technology 1493 Steve Clayton 21-Sep-16 16:47
Re: Lost Building Technology 464 cladking 21-Sep-16 16:59
Re: Lost Building Technology 465 Steve Clayton 21-Sep-16 17:22
Re: Lost Building Technology 456 cladking 21-Sep-16 18:05
Re: Lost Building Technology 548 Steve Clayton 21-Sep-16 21:19
Re: Lost Building Technology 493 D-Archer 22-Sep-16 10:18
Re: Lost Building Technology 478 Steve Clayton 22-Sep-16 13:33
Re: Lost Building Technology 403 D-Archer 23-Sep-16 07:03
Re: Lost Building Technology 439 M. J. Thomas 22-Sep-16 14:11
Re: Lost Building Technology 405 Steve Clayton 22-Sep-16 14:33
Re: Lost Building Technology 431 M. J. Thomas 22-Sep-16 15:52
Re: Lost Building Technology 440 Steve Clayton 22-Sep-16 17:01
Re: Lost Building Technology 412 M. J. Thomas 22-Sep-16 23:22
Re: Lost Building Technology 455 Steve Clayton 23-Sep-16 10:17
Re: Lost Building Technology 360 M. J. Thomas 23-Sep-16 13:47
Re: Lost Building Technology 425 D-Archer 23-Sep-16 07:06
Re: Lost Building Technology 556 Open mind 22-Sep-16 15:29
Re: Lost Building Technology 372 Steve Clayton 22-Sep-16 17:26
Re: Lost Building Technology 443 cladking 22-Sep-16 19:29
Re: Lost Building Technology 430 Steve Clayton 22-Sep-16 23:23
Re: Lost Building Technology 444 cladking 23-Sep-16 01:11
Re: Lost Building Technology 463 OCaptain 23-Sep-16 12:11
Re: Lost Building Technology 386 Steve Clayton 23-Sep-16 12:49
Re: Lost Building Technology 452 cladking 23-Sep-16 14:27
Re: Lost Building Technology 443 Steve Clayton 23-Sep-16 14:41
Rediscovered Lost Building Technology we use today 678 Howard West 25-Sep-16 14:59
Re: Rediscovered Lost Building Technology we use today 419 Steve Clayton 25-Sep-16 15:37
Re: Rediscovered Lost Building Technology we use today 453 Howard West 25-Sep-16 16:32
Re: Rediscovered Lost Building Technology we use today 346 Steve Clayton 25-Sep-16 17:58
Re: Lost Building Technology 404 Harte 25-Sep-16 17:55
Re: Lost Building Technology 396 Steve Clayton 25-Sep-16 21:16
Re: Lost Building Technology 427 Howard West 25-Sep-16 22:35
Re: Lost Building Technology 453 Steve Clayton 26-Sep-16 00:39
Secret Solar Powered Lost Building Technology 796 Howard West 25-Sep-16 23:44
Re: Secret Solar Powered Lost Building Technology 344 Steve Clayton 26-Sep-16 15:06
Mod Note > Cut and Paste 449 Dr. Troglodyte 26-Sep-16 19:50
Re: Rope Lever 464 Steve Clayton 16-Oct-16 17:47
Re: Rope Lever 452 Dr. Troglodyte 16-Oct-16 18:13
What? 3 men to pull a 60 ton stone up G1's Grand Hall. 474 Steve Clayton 17-Oct-16 16:06
Re: Rope Lever 375 cladking 16-Oct-16 19:08


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