Miyata 1000 original rear rack
11-06-23, 09:02 AM
#26
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The only thing I don't like about my Tubus rack, besides the weight, is the fact that it doesn't have a top cover built in. This can be somewhat easily rectified but since I don't run with fenders, the bottom of my tent bag becomes more easily soiled.
11-06-23, 10:23 AM
#27
Count Orlok Member
Yea, no. There is no way that a welded tubular aluminum rack can carry nearly 3 times what the tubular steel Tubus can carry. I think there is a metric/imperial translation error there which is very common in rack ratings. They likely meant to say that it can carry 70 lbs…which is still a stretch…but translated the 70 into the kilograms column and then did the math to come up with 154 lb. It is likely a good rack but it won’t hold 154 lbs.
I agree; 70 lbs. is a stretch, 120 lbs. doesn't seem plausible.
Re pounds Vs kilos
look up the "Gimli glider" for a story about the air Canada flight in the early 80s? that ended well in the end, but was a eff-up with fueling and a mix-up of Imperial and metric
(wasn't long after we did the official switch, I recall it at school in the 70s)
look up the "Gimli glider" for a story about the air Canada flight in the early 80s? that ended well in the end, but was a eff-up with fueling and a mix-up of Imperial and metric
(wasn't long after we did the official switch, I recall it at school in the 70s)
I believe Air Canada originally was going to discipline the crew for the screw up, but they put other crews in a simulator under the same conditions and none of them succeeded in landing the plane, so the suspensions were quietly dropped.
Last edited by gna; 11-06-23 at 10:28 AM.
11-06-23, 12:07 PM
#28
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Great story.
I am surprised that cabin crew screwed that up.
Several years ago NASA sent a space craft to Mars and a contractor prepared instructions for the spacecraft based on the wrong units. Spacecraft was lost. Do an internet search for: Mars Climate Orbiter. Very expensive mistake.
As an engineer in USA that was trained in the 70s and early 80s, I had to learn all the engineering calculations in both SI units and at that time it was called English units, although I called them American units because the Brits were already using the SI system. In my day to day work before I retired, some measurements were in SI units, some in American units, and some were land surveyor units (feet, tenths, and hundredths).
I am surprised that cabin crew screwed that up.
Several years ago NASA sent a space craft to Mars and a contractor prepared instructions for the spacecraft based on the wrong units. Spacecraft was lost. Do an internet search for: Mars Climate Orbiter. Very expensive mistake.
As an engineer in USA that was trained in the 70s and early 80s, I had to learn all the engineering calculations in both SI units and at that time it was called English units, although I called them American units because the Brits were already using the SI system. In my day to day work before I retired, some measurements were in SI units, some in American units, and some were land surveyor units (feet, tenths, and hundredths).
11-06-23, 12:32 PM
#29
Junior Member
In Canada we've ended up with a perpetual mix of units.
In everyday conversation, weather degrees, road speed and distances are metric but a person's weight and height are still mostly Imperial (british).
I've found that for woodworking, Imperial is far more useful than metric (for reasons probably not obvious to Europeans).
On bikes, everything is metric.
Hardware/construction is mostly Imperial with metric gaining ground.
In other words, it's a mess. But we manage somehow.
In everyday conversation, weather degrees, road speed and distances are metric but a person's weight and height are still mostly Imperial (british).
I've found that for woodworking, Imperial is far more useful than metric (for reasons probably not obvious to Europeans).
On bikes, everything is metric.
Hardware/construction is mostly Imperial with metric gaining ground.
In other words, it's a mess. But we manage somehow.
11-06-23, 09:13 PM
#30
Senior Member
Great story.
I am surprised that cabin crew screwed that up.
Several years ago NASA sent a space craft to Mars and a contractor prepared instructions for the spacecraft based on the wrong units. Spacecraft was lost. Do an internet search for: Mars Climate Orbiter. Very expensive mistake.
As an engineer in USA that was trained in the 70s and early 80s, I had to learn all the engineering calculations in both SI units and at that time it was called English units, although I called them American units because the Brits were already using the SI system. In my day to day work before I retired, some measurements were in SI units, some in American units, and some were land surveyor units (feet, tenths, and hundredths).
I am surprised that cabin crew screwed that up.
Several years ago NASA sent a space craft to Mars and a contractor prepared instructions for the spacecraft based on the wrong units. Spacecraft was lost. Do an internet search for: Mars Climate Orbiter. Very expensive mistake.
As an engineer in USA that was trained in the 70s and early 80s, I had to learn all the engineering calculations in both SI units and at that time it was called English units, although I called them American units because the Brits were already using the SI system. In my day to day work before I retired, some measurements were in SI units, some in American units, and some were land surveyor units (feet, tenths, and hundredths).
Ouch
11-12-23, 10:34 AM
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