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  • nedchurch commented on bekathwia's instructable Matte Finish Motorcycle Tank Painting5 hours ago
    Matte Finish Motorcycle Tank Painting

    A suggestion for painting small items like fuel tanks - rig up a makeshift spray booth around the area you are working in using old tarps or even just old bed sheets. It stops the overspray spreading all over your workshop. The pros will also probably tell you to spray in even strokes keeping the nozzle at the same angle and distance from the work to ensure you get even coverage.

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  • How to Break Down Sheet Material Easily!

    Fair point! 4"x2" is really 94x47mm when measured, nowhere near its nominal size of 100x50 It is quicker to say 4 by 2 and I still do sometimes but all cutting measurements for building in NZ are in mm - one number, no fractions, even if it is in the thousands. Room or building size is usually given in metres to 3 decimal places but take out the decimal point and it's mm. So simple and so 21st century ;)Incidentally if you have one of those fancy electronic measuring devices - does it do imperial or metric?

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  • How to Break Down Sheet Material Easily!

    Great idea - I have a similar set up but with more cross rails set on edge to support the material and the lengths set flat, That way the board is nearly 50mm clear of the lengthways rails so you can cut across without risk of cutting into them. I usually allow about 5 to 10mm blade depth clear throught the material being cut to make sure it's cut clean through.I wouldn't worry about the Americans - they need to get out of the stone age and start using metrics on an everyday basis. I grew up with imperial but I can still do long division etc with it - but why, when metric is so much simpler. I still laugh about the time when you'd hear builders say something was four feet, two inches and 3 millimetres long.

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  • nedchurch commented on ffrisell's instructable DIY Stacked Leather Handle Bowie Knife8 months ago
    DIY Stacked Leather Handle Bowie Knife

    Great looking handle! The first thing I thought of when I saw it was my old Estwing hammer that my dad gave me 40 years ago. It had the leather handle but that has now disintegrated. I am thinking this is the perfect solution to restore what was a very fine, tough as nails, well balanced hammer. Thanks for the inspiration.

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  • Remove Seized & Stripped Screws from Motorcycle Engine Covers

    Great presentation. Good point about the JIS heads, they are a real pain. I've done 50 years of restoration on British and Japanese bikes and just about every one of them has had seized up screws in the aluminium casings. I might suggest that after you have tried the impact driver that you go straight to screw extractors (Step 7) while there is still a nicely centred starter hole in the head of the screw. If you drill slightly off centre you will end up with a snapped off screw or worse still damage from drilling into the thread in the casing. Then you will end up drilling the thread out and using coils which is a lot more work. I always replace with stainless Allen head or if it has to be authentic like a classic restoration use stainless Phillips head instead of the old cadmium plated...

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    Great presentation. Good point about the JIS heads, they are a real pain. I've done 50 years of restoration on British and Japanese bikes and just about every one of them has had seized up screws in the aluminium casings. I might suggest that after you have tried the impact driver that you go straight to screw extractors (Step 7) while there is still a nicely centred starter hole in the head of the screw. If you drill slightly off centre you will end up with a snapped off screw or worse still damage from drilling into the thread in the casing. Then you will end up drilling the thread out and using coils which is a lot more work. I always replace with stainless Allen head or if it has to be authentic like a classic restoration use stainless Phillips head instead of the old cadmium plated stuff.

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