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for £200 budget I'd go for binoculars.

You could possibly use a laser collimator, you would be able to pick up one off ebay for using to allign the mirrors in a telescope I'd think for about £20. Problem is that it would have a parallel shank to suit a telescope lens rather than a morse taper. It might be enough to let you know...

Best stuff Ive found for cleaning saw blades is Trisodium phosphate. I got some to clean a bit of an accident with oil on the driveway. It cleaned the crud off the sawblades in minutes. Got to be careful with it though its pretty aggressive!

Bob I think you basically heat it up and slap some oil on it. I think it must polymerise to form a protective layer

Sorry I can't recommend any non stick frying pans, anything I've bought has failed to last. With regards to the commercial kitchen - I think they just about had heart failure when we told them, as the upgrading costs are considerable. The connected load of these kitchens is massive. Plus its...

The range on this one was supplied by a company called Enodis, it was made in france. The power supply to the site was already three phase but has had to be upgraded from 250amps per phase to 400amps per phase to handle the kitchen. I am hoping to get a better look at the hobs before it opens...

I see Tom's already mentioned the fan lol

I'm in the throws of sorting out a design for our kitchen, but need to extend the house first. I'm the cook in our house but my wife wants to have final say on appearance so its looking like we will be having part fitted and part freestanding. I just do what I'm told in the end and will just...

It will depend to an extent the length of the main duct run and also the number of bends etc but Id expect you would get better performance with a 125mm dia main duct run, expecially if you have a few bends in it.

If its single phase then its probably a capacitor start induction motor. The capacitor creates a phase angle between the start and run windings to enable the motor to start moving in the preferred direction. Normally there's a centrifugal switch on the end of the motor under the cooling fan...

Lovely work Monster, well done!

Files and cuts nicely. Goes faster than steel, but best with sharp/ new hacksaw blade or file. Blunt file on brass is not great.

Sounds like a plan Hugov. Flowrate is about 270l/sec with a duct velocity of about 23metres per second which is in the range recommended 20-25m/s. Friction losses will be a few pascals per metre, looking at CIBSE guides its about 3pa/m but your fitting losses are the main issue at those...

Rectangular will have a higher friction loss but the main losses are likely to be due to fittings which vary with velocity presssure or 1/2 x density of air x velocity^2 which is about 0.6xV^2. You need a decent velocity in the ductwork to prevent the dust etc settling in the ductwork and...

Ive not used mine that much to be fair. Mainly up the 80mm box section and some 40x10mm flat bar, and a fair bit of firewood - but that doesn't really count. To be honest for me its been worth it for processing firewood as its so much faster than messing about with a chainsaw. The...

looks like some nice paring gouges and a paring chisel. Don't go near the wood lathe with them. The geometry is wrong plus they are made from proper carbon steel and may well disintegrate when they catch.

I got one in the summer, mainly as I needed something for fabricating steel portal frame to replace the conservatory with a sunporch - with a ridge beam holding up the roof. I have used a chop saw before for prepping steel for welding with a big cutting disc similar to an angle grinder cutting...

You really want to try and ventilate between the insulation layer and the steel container as its where the moisture will migrate to during cold weather one way or another. The pressure difference between the water vapour in the warmer air causes the water vapour to migrate to the colder surface...

You're welcome You will have a heat loss to infiltration which at an air change per hour would be about 20w/sqm which will push it up a bit but depending on your construction etc it might only be about half an air change per hour or 10w/sqm. If you have lights etc on then they will probably...

The U value of the slab at the moment is about 0.85w/sqmk so if its -2 outside and you are looking for say 18 deg C inside you would loose about 440 watts through the floor. if you were to install something like styrofoam 150thick 600 deep the U value would drop to about 0.6 so at the same...