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justcheckinm8.

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  • justcheckinm8. commented on -BALES-'s instructable Table Saw Drum Mill
    Table Saw Drum Mill

    With the rod level to the table, only the first blade in the stack is doing the work(?) If it was at a slight angle, with the rod at the right height above the blade to achieve final diameter, then all blades in the stack get a go at cutting and being smaller cuts per blade, maybe reduce the chatter you mentioned.

    Would be interesting to see the result of putting the jig at 90deg to the current orientation. The blades would be running across the grain, but also all blades in the stack would be a ramping cut because of the curve. Side on and the first blade In the stack is doing all the work in one step...unless I missed something in the setup?

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  • A Laser Guide for CNC Alignment

    Instant upgrade to my newly built machine :)Just a thought, would you see any drawbacks of mounting one on the gantry side plate orientated to the X axis, then one directlry behind/in front of the router orientated in the Y axis. The lines still cross at the tool tip, but also project along x/y which could also assist aligning the workpiece?

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  • Automotive Current Detector

    I agree with gizmologist. A car battery with barely enough energy to keep the headlights on will still light your led because it is drawing such little current. Soon as you hit the starter and try to pull 120+ amps on a nearly flat battery, it dies. On some larger vehicles, the starter solenoid alone can drag ~10A. Just jumpstart a car with too-light jumper leads..and watch them twitch with the EMF when hit with a high current load. Fun times :)

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  • Adjustable Width Tool Charging Station

    Made 9 holders and only have 4 tools! Oh well..off to the toolshop I go :P

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  • 4 in 1 BOX (Solar Rechargeable Stun Gun, Power Bank, LED Light & Laser)

    Just a word of caution though, check the legal restrictions on stun gun possession. In my country, this would get me arrested if found in my possession.

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  • 4-Cylinder, 2-Stroke Diesel Engine (Make It Move)

    Nice model, but a bit if advice....research your subject.Your first "camshaft" is a crankshaft. Camshafts have cams with lobes and heels. Imagine egg shaped, the pointy bit is the lobe, the other end is the heel. The crankshaft has crank webs, which link the 'big end' journal (fat end of the conrod) to the 'main bearing' journals (main bearings that support the whole crankshaft)Big end journals off the crankshaft 'connect' to the pistons through 'connecting' rods, typically called conrods. Pushrods are found in engines that do not use overhead camshafts, and use the push of the rotating cam lobes to open the valves via camshaft rockers.Flywheels are typically on on the end that encompasses the clutch assembly (clutch plate or friction plate, pressure plate, thrust bearing, e…

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    Nice model, but a bit if advice....research your subject.Your first "camshaft" is a crankshaft. Camshafts have cams with lobes and heels. Imagine egg shaped, the pointy bit is the lobe, the other end is the heel. The crankshaft has crank webs, which link the 'big end' journal (fat end of the conrod) to the 'main bearing' journals (main bearings that support the whole crankshaft)Big end journals off the crankshaft 'connect' to the pistons through 'connecting' rods, typically called conrods. Pushrods are found in engines that do not use overhead camshafts, and use the push of the rotating cam lobes to open the valves via camshaft rockers.Flywheels are typically on on the end that encompasses the clutch assembly (clutch plate or friction plate, pressure plate, thrust bearing, etc). This is a large moving mass to help the crankshaft maintain momentum through the non-power strokes of the pistons. The pulleys are on the other end to drive pumps, alternators, fans, etc.Belts don't ride on gears, they ride on pulleys. They can be toothed pulleys, idlers and tensioners (smooth surfaces).And lastly, you have a 4-stroke engine, not a 2-stroke. 2-Stroke engines use ports cut into the side of the piston cylinder that are exposed to the combustion chamber as the piston moves down. You have an intake manifold and an exhaust manifold at the top which uses valves to control airflow/exhaust gases in and out of the combustion chamber. This design, if used in a 2-stroke cycle would be incredibly inefficient as the fresh air would not help push (purge) the exhaust gasses out since both valve ports are so close together. It would blow straight through and leave a big ball of uncombustable air in the cylinder for the next compression stroke.This all may sound like I'm being picky/pedantic, but please treat this as a bit of a learning experience. Your drawing is fine for a basic 4 cylinder 4-stroke concept, just need to tidy up the terminology, and you'll be so much the wiser for a more advanced and possibly animated(?) model.For reference:http://www.marinediesels.info/Basics/the_2_stroke_engine_explanation.htmhttps://www.youtube.com/watch?v=fTAUq6G9apg

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  • Re-Covering Bass Guitar Speaker Cabinets

    Next we’ll tell you how to clean an iPad after reading this part:”My garage looked like an animal exploded by the time I was done..” and drinking a coffee at the same time. Hilarious! Great job with the speaker re-covery/recovery. Cheers

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