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The information you have on your web page will come in handy when
rigging for a lift, also, for a tool designer when designing a piece
of lifting equipment. I liked the page with the rigging formulas,
but, when I printed them they did not turn out very clear. Maybe, a
different color background? The items I really could not read were
the Cantilever Beam formulas
Thiokol Propulsion of Cordant Technologies
First of all we want to commend you on a very informative website. It
truly very professional and full of great detail.
James F. Sullivan
Regional Sales Manager
Chicago Hardware & Fixture Company
I've been looking for formulas to help me work
out the forces and loads on
my rigging system but can't find anything that explains what I need to know
in plain English. I've asked engineers over here but they seem to have all
forgotten their physics!
Basically we use a counterweight system for vertical tracking shots in the
rainforest, but the load (cameraman and camera) and counterweight are
seperated by several feet - so that he doesn't get whacked by the weight and
also so that the weight doesn't appear in shot. The rope (11mm static) goes
up, over one pulley, along horizontally for up to twenty or thirty feet,
then down over another pulley. Approx 100kg on each end.
I figure if we just used one pulley that the load would be 200kg (plus
weight of rope), but does seperating the pulleys increase or decrease the
load on the pulleys and anchors? And by how much?
Do you know where I can find a good source of information on this (and other
more complicated) type of problem?
I hope you can help - this is driving me nuts!
BBC Natural History Unit
BRISTOL BS8 2LR U.K.
Tel +44 117 974 2390 or +44 117 973 2211
Fax +44 117 974 6750 or +44 117 974 2306
or double click here Mailto:Phil.Hurrell@bbc.co.uk
i am interested in learning and working in
rigging, and would appreciate any info you have.
such as schools, companies,unions
organizations,apprenticeships etc. how to get
started, get a foot in the door, wage scales,
what the job opportunities are like etc
hello my name is tom
i would appreciate it if you could help me.
i am trying to find the formula that would tell me how much i could pick up
with a given block & fall arrangement... e.g. a 2 & 2 with 3/4 manila
any help on this subject would be greatly appreciated.
you have an excellent page.
i have been working as a rigger in the vancouver BC (CANADA) area for
the last few years. i have been learning on-the-job and all of my
formal training has been climbing-oriented. perhaps you can suggest an
excellent training institute IN CANADA where i can fill the gaps in my
knowledge and receive some kind of certificate to increase my safety and
employability. i am mainly interested in concert rigging (arenas and
clubs) since this is what i have been doing. so far i have not been
able to find what i have been looking for on the internet. i have heard
there is some kind of rigging school in Calgary, but i have not been
able to find it.
i need information of what is rigging? what is a rigger? hazards of rigging, osha's
requirements. if you could e-
mail me back as soon as possible i would appriciate it is for school thanks paula
Do you know of any rigging schools in the continental U.S.? My friend and I have done a little here and there but would like to learn more
This page is full of good information and is organized pretty well. Unfortunately the yellow color makes it a little difficult to read and blurry
when printed out to be looked at later. I realize that they are gif images and you may not have any control of over them, but I just thought I'd let
you know since you probably haven't had a reason to print the pages out. Thanks
information on turnbuckles, nicopress sleeves and stops, block and falls,
eyebolts would be useful also. this site has some useful information in
general but some of the links do not exist anymore. chain hoist information
i.e. CM Lodestar, Coffing, Verlinde, Rigstar would also be useful. see ya.
Surfted on in , found lots of good info , am looking for training videos
on rigging ,safty , hole 9 yards .Could you tell me where to find ?
Need all the help i can get in this field , just became safty rep. thank
you for your time .
Thanks for your informative webpage!
While I realize the big jobs are best left to experts such as yourself, I am
wondering if there is some material readily available that I can obtain that
would allow me to familiarize myself with the basics of rigging.
I am presently putting together a small local corporate oriented sound
company, and will need to , from time to time, fly speaker clusters and
lighting rigs. I know speakers manufactures from Community to Meyers build
cabinets with integral flying hardware, but have noted that, at times the
cabinets are 'direct hung', and at other times, additional 'fly bars' and
various assemblies are used.
Can you give me any assitance?
If you have something that this page is missing or have
some good ideas how to improve this page feel free to contact me at
Page maintained by Peter@Rigging.net . Copyright. Created: 7/24/96 Updated: 9/21/01