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
>> >
>> >
>> > _______________________________________________
>> >
>> >
>> >
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>> > TowerTalk@contesting.com
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>> >
>> > _______________________________________________
>> >
>> >
>> >
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>> >
>> >
>> _______________________________________________
>>
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