Classic pictures Updated 09/12/2018

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Whitlock 505
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Re: Classic pictures Updated 16/09/2018

Post #2961 by Whitlock 505 » Wed Sep 19, 2018 12:59 pm

XS650 wrote:I am very envious , would love to own an old backhoe loader but having no space or mechanical ability it will remain a dream !
Have you posted any pics on here of the 370C ?
Craig

No not yet Craig, I don't think :doh: rebuilding cab, bonnet, got to get back on it after a bit of a rest with other projects :dizzy:

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Re: Classic pictures Updated 23/09/2018

Post #2962 by Neversweat » Sun Sep 23, 2018 10:29 am

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Steve :thumbup:
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Re: Classic pictures Updated 23/09/2018

Post #2963 by FOWLER MAN » Sun Sep 23, 2018 2:04 pm

Thanks Steve,
Nice to see the pics of the Mercury and BTD6 Drott and the Trader tipper and Rapier 414 navvy. :thumbup:
In "another age" I worked on all of them. :lol:
Fred

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Re: Classic pictures Updated 27/09/2018

Post #2964 by Neversweat » Thu Sep 27, 2018 3:49 pm

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Steve :thumbup:
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Jeremy Rowland
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Re: Classic pictures Updated 27/09/2018

Post #2965 by Jeremy Rowland » Thu Sep 27, 2018 10:25 pm

Nice photos Steve :thumbup: I think the Hymac 610C in the top photo may have just been sold at auction? The other Hymac is a 590C :thumbup:

Jeremy

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Re: Classic pictures Updated 29/09/2018

Post #2966 by Neversweat » Sat Sep 29, 2018 9:02 am

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Re: Classic pictures Updated 29/09/2018

Post #2967 by Whitlock 505 » Sat Sep 29, 2018 9:34 pm

The rams on that Bucyrus Erie track loader look like they would lift 40tons and yet the bucket is spring loaded, loving the old photos steve

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Re: Classic pictures Updated 29/09/2018

Post #2968 by FOWLER MAN » Sun Sep 30, 2018 10:30 am

Whitlock 505 wrote:The rams on that Bucyrus Erie track loader look like they would lift 40tons and yet the bucket is spring loaded, loving the old photos steve


Yes Ian,
That's because hydraulics were in their infancy. Most early BE dozer hydraulics I worked on operated at only 1,000 to 1,250 Lbs. pressure so they needed a big piston area to develop the required thrust.
Also the large volume of oil required to move the ram had the effect of gearing down the hydraulics, (less speed more power).

Fred

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Re: Classic pictures Updated 30/09/2018

Post #2969 by Neversweat » Sun Sep 30, 2018 10:39 am

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Re: Classic pictures Updated 29/09/2018

Post #2970 by Whitlock 505 » Sun Sep 30, 2018 5:17 pm

FOWLER MAN wrote:
Whitlock 505 wrote:The rams on that Bucyrus Erie track loader look like they would lift 40tons and yet the bucket is spring loaded, loving the old photos steve


Yes Ian,
That's because hydraulics were in their infancy. Most early BE dozer hydraulics I worked on operated at only 1,000 to 1,250 Lbs. pressure so they needed a big piston area to develop the required thrust.
Also the large volume of oil required to move the ram had the effect of gearing down the hydraulics, (less speed more power).

Fred

Cheers Fred, yes that makes perfect sense, hydraulics not as refined and powerful in the early days, its amazing how far we've come in such a short space of time!

Ian


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