Metric Vs Imperial

[tdi-rick]

[snip]
the lack of 15 mm seems to be peculiar to Japan.

Mark

How bizarre ?

I have a Kokon breaker bar and it's beautifully made, and funnily enough my go to 15mm ring spanner is a US made Proto.

 

[CGC4200]

Residential electric power in rural America-60 Hz

Most of our power is 120-240V single phase in the sticks. If you get
into town, restaurants may use 120-208 3 phase, larger buildings
and industrial have their own transformers, best I recall 277-480
is used on commercial lighting in large stores.

 

[tdi-rick]

While this can of worms is open.

Why don't we have a "standard" hydraulic fittings.
NPT, O-Ring Boss, Flat Face, Komatsu (some one was really trying to confuse people with that one).

Hey, we can beat that, just throw BSP and various metric ones into the mix.
Most of our plumbing is BSP, and it really throws you when you hit an NPT fitting.
The same with refrigeration which is a mix here of SAE, NPT and BSP at times.

 

[BlueRidgeMark]

If you want to confuse your not too bright foreman at work some day, ask for a metric conversion chart for RPM.

Mark

:hmm3grin2orange:



While you're at it, tell him you need some flight line and a sky hook.

 

[heimannm]

208 and 277 volts are derived from 480 volt 3 phase systems, 480 volt "Wye" produces 208 from ground to a hot leg, 480 volt "Delta" produces 277 from ground to a hot leg.

John Deere has there own design for hydraulic connectors as well, keeps the customer coming back to them for the parts they need.

McCulloch used to produce a chain with .354 pitch, if you were a McCulloch guy it was "proprietary", if you were anyone else it was a bastard.

Mark

 

[Bushranger1]

I just had a thought.

Because you guys LOVE oil mix threads I have the following suggestion for those people who are totally confused (who wouldn't be) with fluid ounces, gallons etc.

1.Fly out to Australia.
2.Rent a car & drive on the L/H side of the road
3.Buy a 20 litre gas can. (petrol over here)
4.Fill the gas can using a METRIC gas pump
5.Buy a 1 litre bottle of Stihl 2 stroke oil.
6.Mix the 2 stroke oil using the METRIC measure on the side of the bottle.
7.Spend the night in a motel & blow up your appliances on our 240 volt supply.
9.Note the direction water rotates in the motel bathroom.
8.Drive back to the airport on the L/H side of the road
9.Try to get back on the aircraft with a can of premixed 2 stroke fuel.

So who is up for this.

 

[tdi-rick]

Most 60 Hz motor will run on 50 hz, they just turn slower, and vice versa. You do need to pay attention to frequency if you are buying stuff like analog clocks that work with gears. A 4 pole motor at 60 Hz turns (approx.) 1800 RPM, at 50 Hz turns (approx) 1500 RPM. Many larger motors will be labled for dual frequency as well as multiple voltages.


[snip]

Mark

I had the fun of matching up a 2 pole motor a month or so back. No problem, except the US GE made one I was replacing had a 5/8" shaft and all our motors are metric frame here.

All I did was bore the fan hub out to 19mm, the mount/shaft centre height worked out to be very close.

 

[DSS]

I just had a thought.

Because you guys LOVE oil mix threads I have the following suggestion for those people who are totally confused (who wouldn't be) with fluid ounces, gallons etc.

1.Fly out to Australia.
2.Rent a car & drive on the L/H side of the road
3.Buy a 20 litre gas can. (petrol over here)
4.Fill the gas can using a METRIC gas pump
5.Buy a 1 litre bottle of Stihl 2 stroke oil.
6.Mix the 2 stroke oil using the METRIC measure on the side of the bottle.
7.Spend the night in a motel & blow up your appliances on our 240 volt supply.
9.Note the direction water rotates in the motel bathroom.
8.Drive back to the airport on the L/H side of the road
9.Try to get back on the aircraft with a can of premixed 2 stroke fuel.

So who is up for this.

I'd be OK except for driving on the left. No way, no how could I do that.
Wouldn't make it 500 feet (meters) without putting the car in the rhubarb.LOL

 

[tdi-rick]

I just had a thought.

Because you guys LOVE oil mix threads I have the following suggestion for those people who are totally confused (who wouldn't be) with fluid ounces, gallons etc.

1.Fly out to Australia.
2.Rent a car & drive on the L/H side of the road
3.Buy a 20 litre gas can. (petrol over here)
4.Fill the gas can using a METRIC gas pump
5.Buy a 1 litre bottle of Stihl 2 stroke oil.
6.Mix the 2 stroke oil using the METRIC measure on the side of the bottle.
7.Spend the night in a motel & blow up your appliances on our 240 volt supply.
9.Note the direction water rotates in the motel bathroom.
8.Drive back to the airport on the L/H side of the road
9.Try to get back on the aircraft with a can of premixed 2 stroke fuel.

So who is up for this.

Only one potential problem I can see is if they a Husky head and go to a Husky dealer.

Since last year Husky must be importing their oils from the US as they now come in 1US gallon containers (3.785 litres) instead of 4 litres
Of course the price didn't change

 

[heimannm]

O.K. Bushranger1, I am currently at LAX awaiting my flight to Sidney, connection to Melbourne on Monday morning.

Next weekend, with any luck, I will rent a car and drive out to find a saw shop or two just to see what they have a talk a little saw. Maybe just for the exercise I will try to buy a little fuel and mix and see what I can come up with.

Driving on the left is not too much of a problem provided there is traffic, everything seems to make sense then. My biggest problem comes when cruising along on a quiet stretch of road and all of the sudden a car pops up on the "wrong" side of the road...

Mark

 

[BIGBORE577]

The U.S. does not use the Imperial system for measurement of volume. The U.S. gallon it roughly 20% less than an Imperial gallon.

1 U.S. fluid ounce = 1.041 British fluid ounces
1 British fluid ounce = 0.961 U.S. fluid ounce
1 U.S. gallon = 0.833 British Imperial gallon
1 British Imperial gallon = 1.201 U.S. gallons

There are also other differences in U.S. vs. Imperial weights and measures, such as the ton.

 

[CGC4200]

I agree on JD connectors, maybe not on voltage

I have worked electrical on 120-208 Y on small commercial buildings
a few years ago. All the phase conductors were 120 to neutral & ground.
I still think 277/480 is Y connected, but I don't have much experience
with this system. I worked at an old industrial shop a few years ago
using 480 delta, the voltage to ground depended on which phase was
more grounded at the time. There is a 240 delta system where one
transformer is center tapped for 120-240, but the third (high/wild)
leg is 208 to ground.

 

[BIGBORE577]

Could it really be possible that so many here are ignorant of what we use as a standard of units and measure here in the U.S. for volume? Clue: It's not Imperial by nature. If you think so, someone has been sleeping in the class room. If so, perhaps we should throw this into the equation:

4 gills = 1 pint
2 pints = 1 quart
4 quarts = 1 gallon
2 gallons = 1 peck
8 gallons (4 pecks) = 1 bushel
8 bushels = 1 quarter
The full table of British apothecaries measure is as follows:
20 minims = 1 fluid scruple
3 fluid scruples = 1 fluid drachm = 60 minims
8 fluid drachms = 1 fluid ounce
20 fluid ounces = 1 pint
8 pints = 1 gallon (160 fluid ounces)

Put that in your mix and stir it. You'd all have a F'd up bunch of saws.

Although, this is how the Canuck's measure their booze. I kinda like them for that, amonst other things.

 

[TimberMcPherson]

I dont shout often so here goes


STANDARDISE ALL BARS AND CHAINS

ONE GROOVE WIDTH EITHER 050 058 OR 063 AND DITCH THE REST

HAVE ONLY ONE BAR MOUNTING SIZE SO ANY 3/8 18 INCH BAR AND CHAIN FITS ALL SAWS. HUSKY ECHO, STIHL DOLMAR WHATEVER.

Would save us a heap in chains and bars.

 

[Justsaws]

We would change to metric but we enjoy the aggravation it causes you, all of you metric commies.

One gallon premium gas + four ounces branded oil=less than $4.00 that is why we do not switch, apparently when you purchase fuel and oil by the liter it gets stupid expensive.

Oh yeah, Imperial. Sounds about right.

 

[Bushranger1]

Only one potential problem I can see is if they a Husky head and go to a Husky dealer.

Since last year Husky must be importing their oils from the US as they now come in 1US gallon containers (3.785 litres) instead of 4 litres
Of course the price didn't change

Boy am I glad I only have Stihl gear & buy Stihl oil.
If I owned a Husky then I would have to do all those stupid imperial Fluid ounce to gallon calculations.

 

[TommySaw]

For turning a wrench I sure like metric but for weight and volumes I still like our way(just the veins hardening I guess) and don't get me started on kmph vs. mph as I frequent Canada.:rant:

I find it funny how you buy a Coke or Pepsi in either 12oz, 16oz, 20oz, 1 litre, 2 litre, 3 litre:monkey:

Seriously we are way behind the curve on the metric system. On the other hand hey all our rails are the same, and since Edison, Tesla (he immigrated here in his 20s) and Westinghouse did all their developments over here everyone else must've changed so that one's on the rest of the world

 

[tdi-rick]

I have worked electrical on 120-208 Y on small commercial buildings
a few years ago. All the phase conductors were 120 to neutral & ground.
I still think 277/480 is Y connected, but I don't have much experience
with this system. I worked at an old industrial shop a few years ago
using 480 delta, the voltage to ground depended on which phase was
more grounded at the time. There is a 240 delta system where one
transformer is center tapped for 120-240, but the third (high/wild)
leg is 208 to ground.

Geez that'd be confusing.
Here its 240V 50hz single phase, with 415V three phase being those same 240V supply phases either in star or delta. They always read 240 to earth or neutral.

Three phase drive motors under 4kw are often 240V delta or 415V star, but that's a recipe for disaster in my eyes for the unwary.
Anything over that size is 415V star or delta.

 

[tdi-rick]

[snip]

Seriously we are way behind the curve on the metric system. On the other hand hey all our rails are the same, and since Edison, Tesla (he immigrated here in his 20s) and Westinghouse did all their developments over here everyone else must've changed so that one's on the rest of the world

I've watched some programs on the early days of electricity and the war between Westinghouse and Edison re voltage, and AC vs DC was dirty and fierce.

Re our rail gauges http://en.wikipedia.org/wiki/Rail_gauge_in_Australia

 

[dingeryote]

I dont shout often so here goes


STANDARDISE ALL BARS AND CHAINS

ONE GROOVE WIDTH EITHER 050 058 OR 063 AND DITCH THE REST

HAVE ONLY ONE BAR MOUNTING SIZE SO ANY 3/8 18 INCH BAR AND CHAIN FITS ALL SAWS. HUSKY ECHO, STIHL DOLMAR WHATEVER.

Would save us a heap in chains and bars.

THATS waaaaay too much sense there Timber.
You and I are on the same page.


Problem is margins on saws are low.
Margins on chains, bars, and gadgets are high.

No chance in hell of making everything universal, as there is too much $$ in making everything a randomly different dimension.

Stay safe!
Dingeryote