Chappie Posted February 15, 2011 Share Posted February 15, 2011 If you're really hell-bent on wheeling a quarter of a tonne around in a single case, then look at other industries, at a guess, I'd look at Formula One Mechanics Toolkits, probably very heavy, travel the world, and are usually loaded in and out of Artics.There really isn't any need to look to other industries. Many of the F1-type motorsport cases are made by specialist lightweight flightcase manufacturers like Quentor and they use the same wheels as traditional cases. Four standard flightcase wheels (example) will take around 250kg, four "Guitel-style" blues (example) will take around 450kg and four of the heavy duty greens (example) will take around 600kg (all dependant on make, size, materials etc). Wheel manufacturers recommend that the wheel loading is calculated using one less wheel than fitted (in a standard configuration with all the wheels the same diameter). So in this case, each wheel should be rated to take 85kg ish (250kg divided by three). Link to comment Share on other sites More sharing options...
Jivemaster Posted February 15, 2011 Share Posted February 15, 2011 Indispension units and a drawbar! Link to comment Share on other sites More sharing options...
kerry davies Posted February 15, 2011 Share Posted February 15, 2011 Well done, Lightsource, only one to pass the manual handling theory test so far! It really doesn't matter about the weight a castor can cope with or what weight an indivisible unit like a Heritage is. When you can eliminate the weight by mechanical means, forks, or reduce it by splitting the load then your RA should specify these alternatives before anything else. Basically you have to answer the question that could be posed after it has crushed someone of; "Why so heavy?" With a Heritage or 48 Way Avo rack you have a pretty fair reason, with a tool case you have none. Why not spend a grand or more on Jives suggestion and get a Snap-on, pneumatic-tyred road case? Purpose built for the job! Link to comment Share on other sites More sharing options...
Jivemaster Posted February 15, 2011 Share Posted February 15, 2011 Jive was being very dark! Fit the case with suspension wheels and road tyres, add a fuel tank and water tank and a coffee machine and you have a part caravan already! Link to comment Share on other sites More sharing options...
Stuart91 Posted February 15, 2011 Author Share Posted February 15, 2011 But no more useful than having 4 65Kg cases side by side. One big advantage of the larger case is that there are bigger individual drawers, this is very useful for things like long drill bits, threaded rod, etc. etc. It also works out significantly cheaper to buy overall. The other handy thing is that there is only one item to strap into place in the back of the van, not four. We previously used a couple of Halfords tool cases which were a lot more of a hassle to handle, and still wound up having lots of longer or larger items in separate boxes because they couldn't fit in the main ones. Thanks for the loading info, Chappie. The "one less wheel" ratio seems to make a lot of sense. Link to comment Share on other sites More sharing options...
andy_s Posted February 15, 2011 Share Posted February 15, 2011 I've not got anything to add to the wheels question, but just out of interest, what are the dimensions of the case? Is it tall? Is the centre of gravity high or low? These factors will influence the ease (or otherwise) of handling. Link to comment Share on other sites More sharing options...
lightsource Posted February 16, 2011 Share Posted February 16, 2011 Well done, Lightsource, only one to pass the manual handling theory test so far! It really doesn't matter about the weight a castor can cope with or what weight an indivisible unit like a Heritage is. When you can eliminate the weight by mechanical means, forks, or reduce it by splitting the load then your RA should specify these alternatives before anything else. Basically you have to answer the question that could be posed after it has crushed someone of; "Why so heavy?" With a Heritage or 48 Way Avo rack you have a pretty fair reason, with a tool case you have none. Why not spend a grand or more on Jives suggestion and get a Snap-on, pneumatic-tyred road case? Purpose built for the job! Well, I suppose Thanks Kerry..... I just dont see the argument as to why the OP wants a SINGLE CASE for this one. Yet again the OP has provided very little details, multi-cases seem fine, but the OP seems to have a problem with this. Link to comment Share on other sites More sharing options...
Piers Shepperd Posted February 16, 2011 Share Posted February 16, 2011 Consider the weight of a set dolly. You might easily have 800-1200kg spread over 6-8 castors.As an extreme example this dolly is 2,200kg and used Revvo castors;Heavy Set Dolly Link to comment Share on other sites More sharing options...
Smiffy Posted February 16, 2011 Share Posted February 16, 2011 And as I'm sure Piers has seen, there are more than a couple of 'tool boxes' out there (thinking of Tony Raving-Nut's touring case specifically Piers) that are basically little more than meat-racks with walls. Frequently weighing in at more than 250Kg. although are usually handled by Fork Lifts and a few local crew Cheers Smiffy Link to comment Share on other sites More sharing options...
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