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Search: Posts Made By: bikingbrit
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Forum: Commuting
09-11-19, 08:21 AM
Replies: 63
Views: 5,852
Posted By bikingbrit

Here's how I reason this out: Daylight...

Here's how I reason this out:


Daylight saving time (DST) is meant to provide more daylight during summer evenings.
You don't get something for nothing, so DST also means less daylight during...
02-23-18, 01:42 PM
Replies: 38
Views: 2,444
Posted By bikingbrit

Balderdash! I think you are confused with...

Balderdash! I think you are confused with "British Standard Fine" (BSF) which was a fine thread version of Whitworth.
Forum: Commuting
01-10-14, 12:45 PM
Replies: 35
Views: 2,282
Posted By bikingbrit

Get a combination plug/patch intended for...

Get a combination plug/patch intended for repairing tubeless auto tires. Cut it down to size and install on your tire.
10-07-11, 08:09 AM
Replies: 76
Views: 13,790
Posted By bikingbrit

Torque X speed = power, not energy and is...

Torque X speed = power, not energy and is measured in units like watts or horse power.
Torque X speed X time = energy and is measured in units like watt-hours. Any competent engineer or scientist...
09-15-10, 07:20 AM
Replies: 10
Views: 642
Posted By bikingbrit

Another factor: when you pump the air in it gets...

Another factor: when you pump the air in it gets heated in the pump or air compressor. Over night it will cool and lose a little pressure.
Forum: Commuting
11-04-09, 10:06 AM
Replies: 27
Views: 1,627
Posted By bikingbrit

http://www.urbandictionary.com/define.php?term=oik

http://www.urbandictionary.com/define.php?term=oik
10-02-09, 08:06 AM
Replies: 42
Views: 8,663
Posted By bikingbrit

You quoted the ideal gas law; however the CO2...

You quoted the ideal gas law; however the CO2 cylinder contains liquid and saturated vapor much like a propane cylinder or butane lighter. In this case it is the vapor pressure that is of interest. ...
08-25-09, 06:11 AM
Replies: 26
Views: 1,279
Posted By bikingbrit

When turning (or waiting to turn) left from a two...

When turning (or waiting to turn) left from a two lane (one in each direction) road it is best to be in the middle of the road between the two lanes. This would a) indicate that you were turning...
07-31-09, 06:58 AM
Replies: 5
Views: 601
Posted By bikingbrit

1/8" chain and cogs are more durable simply...

1/8" chain and cogs are more durable simply because the load is spread over a larger area. So the parts won't need replacing as often and chain tension adjustments are less frequent. Some super...
05-29-09, 07:33 AM
Replies: 31
Views: 2,481
Posted By bikingbrit

Nitrogen in tires is just another way to rip off...

Nitrogen in tires is just another way to rip off the ignorant and gullible. In very critical applications like race cars and jet airplanes nitrogen causes less variation of pressure vs. temperature....
05-29-09, 07:05 AM
Replies: 6
Views: 1,899
Posted By bikingbrit

A 6V 3W load is 12 ohms resistance. A 6V 2.4W...

A 6V 3W load is 12 ohms resistance. A 6V 2.4W load is 15 ohms resistance. Judging from the graphs, the 3W unit is designed to produce 6V at 15km/hr with a 12 ohm load while the 2.4W unit puts out 6V...
Forum: Commuting
10-15-08, 10:58 AM
Replies: 17
Views: 999
Posted By bikingbrit

I look at long grass by the side of the road and...

I look at long grass by the side of the road and also any leaves being blown across the road. If you ride past an airport the windsock is an excellent indicator: if the sock is straight (i.e. not...
08-22-08, 07:39 AM
Replies: 7
Views: 758
Posted By bikingbrit

bicycletires.com have them in stock. See: ...

bicycletires.com have them in stock. See:

http://www.bicycletires.com/bicycle_tires.asp#
08-18-08, 09:23 AM
Replies: 10
Views: 1,131
Posted By bikingbrit

Like the man said, depends on how loud you play...

Like the man said, depends on how loud you play it. My guesstimate:

barely audible: 0.5 amps
fairly loud: 2 amps
really cranking: 7 amps
gross overdrive/distortion: 15 amps
05-28-08, 12:01 PM
Replies: 38
Views: 3,214
Posted By bikingbrit

I use one of these in addition to a reflective...

I use one of these in addition to a reflective vest:

http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200199974_200199974

It uses lotsa juice, requires a sturdy mount, but...
05-28-08, 07:16 AM
Replies: 1
Views: 386
Posted By bikingbrit

Regular o-rings can be obtained at your local...

Regular o-rings can be obtained at your local auto parts store, or the plumbing department of a hardware store. For the best selection try:
http://www.aircraftspruce.com/catalog/appages/orings.php
Forum: Commuting
05-22-08, 08:45 AM
Replies: 30
Views: 1,516
Posted By bikingbrit

I tell myself that bicycle commuting SAVES me...

I tell myself that bicycle commuting SAVES me time. How's that? My round trip is 1hr by bike or 1/2hr by car. But if I drove to work and then exercised for 1hr this would consume 1-1/2hrs so the...
05-22-08, 08:14 AM
Replies: 4
Views: 604
Posted By bikingbrit

Wikipedia has a fairly balanced article on the...

Wikipedia has a fairly balanced article on the subject:
http://en.wikipedia.org/wiki/Shaft-driven_bicycle
05-19-08, 07:51 AM
Replies: 192
Views: 7,113
Posted By bikingbrit

1955 Folkestone, Kent, UK 1956-1959 Chichester,...

1955 Folkestone, Kent, UK
1956-1959 Chichester, Sussex, UK
1960-1961 Wakefield, Yorkshire, UK
1962-1966 Lewes, Sussex, UK
1967 Yorkton, Saskatchewan, Canada
1968-1977 Albany, NY
1978 Ann Arbor,...
Forum: Commuting
05-16-08, 11:58 AM
Replies: 38
Views: 1,194
Posted By bikingbrit

Inside stairwell at the quietest side of the...

Inside stairwell at the quietest side of the building. Primarily used by employees; customers/visitors mostly use the front door and central staircase. I just did it without asking, figuring...
05-16-08, 06:49 AM
Replies: 22
Views: 2,166
Posted By bikingbrit

The most important rating of a compressor is CFM...

The most important rating of a compressor is CFM (cubic feet per minute) at 90psi (where most air tools operate at). Horse power is total BS in many cases as it gets inflated by the marketing liars....
05-07-08, 07:13 AM
Replies: 19
Views: 861
Posted By bikingbrit

"Mac" is short for "Mackintosh", the raincoat...

"Mac" is short for "Mackintosh", the raincoat named after its inventor. See

http://en.wikipedia.org/wiki/Mackintosh
04-29-08, 06:14 AM
Replies: 9
Views: 3,538
Posted By bikingbrit

A 1/8" drill bit will fit easily inside the...

A 1/8" drill bit will fit easily inside the narrow links of a 1/8" chain but not in a 3/32".
04-17-08, 07:39 AM
Replies: 37
Views: 3,058
Posted By bikingbrit

Perhaps they do, and since 16mm is less than 1%...

Perhaps they do, and since 16mm is less than 1% larger than 5/8" it's no big deal. But my point is that many spark plugs are still made with INCH dimensions on the hex. For example see page 77 of...
04-16-08, 09:32 AM
Replies: 37
Views: 3,058
Posted By bikingbrit

Last time I looked spark plugs on modern engines...

Last time I looked spark plugs on modern engines were still 5/8" hex.
04-11-08, 06:39 AM
Replies: 12
Views: 525
Posted By bikingbrit

Mine did that after I had the wheel off to fix a...

Mine did that after I had the wheel off to fix a flat. I found that rotating the axle 180 degrees fixed the problem. So I painted one side of the axle flats so that paint up = good shifting. No...
01-29-08, 07:23 AM
Replies: 5
Views: 670
Posted By bikingbrit

Depends on the application. Usually the concern...

Depends on the application. Usually the concern is how hot the wire gets. A single wire in the open air gets plenty of cooling and can handle more current. Wires buried in a transformer get very...
01-15-08, 08:59 AM
Replies: 8
Views: 754
Posted By bikingbrit

Don't worry about it. Worst case, the self...

Don't worry about it. Worst case, the self discharge rate is 20% per month so it would be 30% discharged in six weeks. Just recharge when you get back. See:...
01-02-08, 12:11 PM
Replies: 3
Views: 666
Posted By bikingbrit

I think they are stating the voltage, rpm, and...

I think they are stating the voltage, rpm, and power ranges available in that case size motor. The 24 volt version undoubtedly has fewer/thicker turns of wire than the 240 volt.
12-27-07, 03:28 PM
Replies: 9
Views: 907
Posted By bikingbrit

It looks like your right axle nut is broken also....

It looks like your right axle nut is broken also. The cylindrical part shown in your spindle picture should be attached to the hex nut in the other picture.

Has the down-shifting been difficult...
12-26-07, 07:32 AM
Replies: 19
Views: 912
Posted By bikingbrit

Good article on the subject here: ...

Good article on the subject here:
http://sound.westhost.com/articles/incandescent.htm#std
12-14-07, 02:33 PM
Replies: 24
Views: 3,893
Posted By bikingbrit

Too true! A "12 volt" automobile will typically...

Too true! A "12 volt" automobile will typically have 14.0 volts (+/- 0.5 volt) at the voltage regulator terminal when the engine is running. I expect the reason "12 volt" bulbs are usually...
Forum: Commuting
12-14-07, 10:44 AM
Replies: 97
Views: 5,640
Posted By bikingbrit

'71 Columbia Tourist. American made "3 speed...

'71 Columbia Tourist. American made "3 speed English" type.
12-10-07, 01:42 PM
Replies: 10
Views: 2,828
Posted By bikingbrit

A GPS will always tell you the latitude and...

A GPS will always tell you the latitude and longitude of your current location and this is much better than a mere postal code. Most police now have GPS so they would be able to find you.

Some...
12-08-07, 06:58 AM
Replies: 26
Views: 21,188
Posted By bikingbrit

Yes, it will "work". No, it won't look as good...

Yes, it will "work". No, it won't look as good as a decent spray job because there WILL be visible brush marks. Plan on at least two coats and use a natural bristle brush with oil based paint. Did...
12-05-07, 02:38 PM
Replies: 24
Views: 3,893
Posted By bikingbrit

Pretty optimistic. The Wikipedia chart ...

Pretty optimistic. The Wikipedia chart

http://en.wikipedia.org/wiki/Luminous_efficacy

lists "xenon arc" and "mercury zenon arc" lamps (which I believe are the same as HID) as being 30-50 and...
12-05-07, 07:04 AM
Replies: 24
Views: 3,893
Posted By bikingbrit

Quartz halogens are typically 24 lumens per watt,...

Quartz halogens are typically 24 lumens per watt, see:
http://en.wikipedia.org/wiki/Luminous_efficacy

So this gives you 20 X 24 = 480 lumens.

However you are running it at a higher voltage. ...
11-29-07, 07:57 AM
Replies: 7
Views: 551
Posted By bikingbrit

A fluorescent will typically have about 3 times...

A fluorescent will typically have about 3 times the efficacy (lumens per watt) of a halogen, see

http://en.wikipedia.org/wiki/Luminous_efficacy

Notice the weasel words in the bulbamerica ad: ...
11-24-07, 08:08 AM
Replies: 15
Views: 3,837
Posted By bikingbrit

Before going to Radio Shack I try to have the...

Before going to Radio Shack I try to have the part number(s) ready; you can look them up on line at:

http://www.radioshack.com/home/index.jsp

Then if/when the clerk asks if (s)he can be of...
11-21-07, 07:07 AM
Forum: Commuting
11-18-07, 09:52 AM
Replies: 27
Views: 1,673
Posted By bikingbrit

That's a light weight in my book! My fully...

That's a light weight in my book! My fully equipped all-steel 3 speed weighs in at 59.6 lbs. The main purpose of cycle commuting for me is a non-boring form of exercise so to some extent the...
11-12-07, 09:05 PM
Replies: 53
Views: 24,943
Posted By bikingbrit

Not really. A 3 dB boost indeed requires twice...

Not really. A 3 dB boost indeed requires twice the electrical power but this is percieved as only a moderate increase in loudness. The industry standard Daven step attenuators used in audio mixing...
11-09-07, 08:07 AM
Replies: 4
Views: 640
Posted By bikingbrit

I use a Sturmey below freezing and have never had...

I use a Sturmey below freezing and have never had that happen. You must have some water inside the hub.

Obviously the best fix is to disassemble the hub, clean/dry it and re-assemble. However...
11-04-07, 07:18 AM
Replies: 25
Views: 1,962
Posted By bikingbrit

My theory is that people are just too damn lazy...

My theory is that people are just too damn lazy to say "a-lu-min-(i)-um" which is 4 syllables in American or five in English. "Al-loy" is just two syllables, much easier. Other examples: "bike"...
11-03-07, 08:57 AM
Replies: 35
Views: 939
Posted By bikingbrit

Er...I think you got your times bass ackwards. ...

Er...I think you got your times bass ackwards. When it's 4:45 in Detroit it's 3:45 in Chicago.

You're correct about the western part of the time zone having later sunsets though. I moved from...
11-03-07, 08:31 AM
Replies: 46
Views: 14,939
Posted By bikingbrit

1/8" chain is used for most bikes with a fixed...

1/8" chain is used for most bikes with a fixed chain line (i.e. non-derailleur) including single/fixed/internally geared hubs. I believe it was also used for antique 2/3/4 speed derailleurs. With...
11-02-07, 12:04 PM
Replies: 22
Views: 1,016
Posted By bikingbrit

Tapping on the rivets from the outside probably...

Tapping on the rivets from the outside probably won't do any good by itself. You need to support the back side of the rivets from the inside of the head tube and then tap the rivets from the front,...
11-02-07, 11:36 AM
Replies: 35
Views: 939
Posted By bikingbrit

You probably went down there in or near the...

You probably went down there in or near the winter. Northern latitudes have long days in the summer and short ones in the winter. In Southern latitudes there is less seasonal variation. IIRC,...
11-01-07, 06:56 AM
Replies: 32
Views: 2,096
Posted By bikingbrit

How about some electrically heated socks? See: ...

How about some electrically heated socks? See:

http://www.cabelas.com/prod-1/0005479820754a.shtml
10-31-07, 11:30 AM
Replies: 18
Views: 3,242
Posted By bikingbrit

Per Jobst Brandt, tread direction is meaningful...

Per Jobst Brandt, tread direction is meaningful only for vehicles like farm tractors which sometimes spin their wheels in mud. Not cars, not motorcycles, not bicycles. See:
...
Showing results 1 to 50 of 68
 


 
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