Not trying to be a butt! But it is all Pythagorean theorem
(http://en.wikipedia.org/wiki/Pythagorean_theorem) or a^2 + b^2 = C^2. Of
course A, B, and C should be considered in the lift equations.
Scott
---------- Original Message ----------------------------------
From: "Marlon K. Schafer" <ooe@odessaoffice.com>
Date: Tue, 13 Oct 2009 07:52:59 -0700
>Yeah, I'd have to totally agree with this. Moving them, especially the big
>ones, is just too dangerous.
>
>I don't have the math on me right now, but even a little 6" drop on a wheel
>translate to a HUGE movement (probably in a bad direction) 80 or 100' out.
>marlon
>
>----- Original Message -----
>From: "Marc Willis" <7g7mburo@gmail.com>
>To: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>
>Cc: "Eugene Jensen" <eugenejensen@nyc.rr.com>; <TowerTalk@contesting.com>
>Sent: Tuesday, October 13, 2009 7:43 AM
>Subject: Re: [TowerTalk] man lift tips over
>
>
>> Roger - That is right 'Move into place and then extend it.' I just put my
>> tower and antenna system up safely with an 80' man lift and it was
>> awesome.
>> This is the 3rd time I have used this method and it is wonderful. Rule of
>> thumb 'move it and then extend'. Cheers and 73 Marc NC7M
>>
>> On Mon, Oct 12, 2009 at 11:15 PM, Roger (K8RI)
>> <K8RI-on-TowerTalk@tm.net>wrote:
>>
>>>
>>>
>>> Eugene Jensen wrote:
>>> > OSHA will have a field day with this and my thought to the man family.
>>> > I
>>> >
>>> One of the first things we were taught was to never move the base with
>>> the boom extended up. That gives it a very high center of gravity.
>>>
>>> The story is a bit misleading as it is more of a case of the one wheel
>>> "falling through" an access cover than "running over" which gives the
>>> impression the other side was raised.. It may have dropped only a few
>>> inches, but with an arm that long raised that is one whale of a lot of
>>> leverage and momentum. And yes, I'm speaking from the experience of
>>> rolling one over on it's side.
>>>
>>> 73
>>>
>>> Roger (K8RI)
>>> > just had my refresher class on these class machine's and interesting
>>> > one
>>> > point the instructor keep going over way walking the pass of the
>>> > machine.
>>> > Think about how these are used and they spend a lot of their time on
>>> > work
>>> > site with soft earth. So cave in is number 1 way for a collapse of
>>> > these
>>> > very heavy machines. 73 Gene K2QWD
>>> >
>>> Roll over...yes, they are easily rolled, but collapse. I've never seen
>>> one collapse yet although I'm sure it's happened..
>>>
>>> 73
>>>
>>> Roger
>>>
>>> > -----Original Message-----
>>> > From: towertalk-bounces@contesting.com
>>> > [mailto:towertalk-bounces@contesting.com] On Behalf Of Gregg Seidl
>>> > Sent: Monday, October 12, 2009 11:05 PM
>>> > To: TowerTalk@contesting.com
>>> > Subject: Re: [TowerTalk] man lift tips over
>>> >
>>> > How weird is that. It does say in the instruction manual to be aware of
>>> what
>>> >
>>> > you are driving over. Yes I read it before I went up with it. It says
>>> that
>>> > shallow buried pipes,water tanks, septic systems can all give way due
>>> > to
>>> the
>>> >
>>> > weight of the lift. Gotta pay attention when doing nearly anything
>>> > today,death is just around the next oversight.
>>> >
>>> > Gregg K9KL
>>> >
>>> >
>>> > _______________________________________________
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > TowerTalk mailing list
>>> > TowerTalk@contesting.com
>>> > http://lists.contesting.com/mailman/listinfo/towertalk
>>> >
>>> > _______________________________________________
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > TowerTalk mailing list
>>> > TowerTalk@contesting.com
>>> > http://lists.contesting.com/mailman/listinfo/towertalk
>>> >
>>> >
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>
>_______________________________________________
>
>
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>---
>[This E-mail scanned for viruses by Declude Virus]
>
>
Wireless High Speed Broadband service from Info-Ed, Inc. as low as $30.00/mth.
Check out www.info-ed.com/wireless.html for information.
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|