Category Archives: Article

Pederson Bicycle – The Ride for You

What bicycle has 14 steel tubes, connected at 57 places and forming 21 triangles? Kiss goodbye to saddle sores, backaches, and bone-shaking rides over Capital Region pot-holed streets.

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The hammock-like saddle cushions the Pedersen cyclist from all such discomfort.

A Contemporary Pedersen

That saddle sways with peddling motion to give almost complete suspension. The cycle’s designer, Danish inventor Mikael Pedersen wrote of the saddle: “It `gives’ in every direction, the weight is evenly distributed … you may take my word for it that all cyclists and especially ladies after once trying this seat will refuse to ride on any other.”

The Cantilever Bicycle – A Lasting Technology 125 Years Later – This 1897 article from the Scientific Topics section of the Evening Gazette Burlington, Iowa 8/17/97 tells the whole story. (The article, or variations, was also published in 1897 and 1899 in 16 other newspapers covered by the “Newspaper Archive”):

Evening Gazette Burlington, Iowa 8/17/97

“The accompanying illustration is from a photograph of the Cantilever bicycle, cycle construction, and its inventor, Mr. Nickall Pendersen (sic.). One of the features wherein this machine differs materially from the ordinary safety bicycle is the weight (ED: A “safety bicycle” is the grandparent of the standard bicycle frame design in use today). Cantilevers range in weight from the nine-pound racer to a wheel for rough use, which weighs 14 pounds. The construction is the outcome of the inventor’s desire to secure a perfect seat. Mr. Nickall Pendersen (sic.) is a Dane, residing in England, and he has been a wheelman for twenty years. His idea was to enjoy the comfort of a hammock on a bicycle, which he accomplished by the use of silk strings on which the saddle rests. The front forks are attached to the rest of the frame by a pivot connection at the top and by a strong pivot hinge at the point shown in the cut just where the lower part of the frame joining with the crank hanger goes up to a point near the top of the front wheel. This connection gives the machine a sensitive steering device.”

Dursley Pedersen Bicycle ca. 1910

Mikael Pedersen, the Inventor – Danish inventor Mikael Pedersen

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Mikael Pedersen

developed the Pedersen bicycle, also called the Dursley Pedersen. He produced the bicycle in Dursley, England. Though never hugely popular, Pedersens enjoy a devoted following and are still produced today. Your author spotted one in Albany several years ago. On 3/30/20, E-Bay featured a used 8-speed for $2,500. The unusual frame is a pure cross, marketed as cantilever, and features a distinctive hammock-style saddle. Variations include lightweight racing, tandem, and folding designs. Other Pedersen innovations include two and three-speed internally geared rear hubs. The latter were troublesome and not up to the quality of the other all-time-great (and only?) English invention, the Strumey-Archer hub gearbox.

The Move to the UK – Pedersen received a patent in the United Kingdom for his bicycle in the early 1890s and constructed the first model out of wood. He formed the Pedersen Cycle Frame Co. Ltd., and when that fell into financial difficulty, production continued at the Dursley Pedersen Cycle Co. The Pedersen Cycle Frame Co. also licensed the design was to other manufacturers, and, while approximately 30,000 units resulted by the early 1920s, the design never really caught on.

A Contemporary Pedersen

See lots and lots of Perdersend here – Pedersen bicycle – Google Search

In 1978, Jesper Sølling resumed production in Copenhagen and has been followed by others.

A Contemporary Pedersen – Count the Tubes!

The Hammock Saddle – Pedersen wrote that he developed the hammock style seat first. It provides suspension from road imperfections with much less weight, 4 ounces (110 g) instead of 3 pounds (1.4 kg) of traditional leather and steel spring saddles of the day. Pedersen then developed a frame, a truss assembled from several thin tubes, around his new seat design.

He attributed his inspiration to the Whipple-Murphy bridge truss. (Albany resident Squire Whipple was the first bridge builder to apply scientific principles to the field with his Whipple Truss bridge.*

Evolution of the Hammock Saddle – The frame design initially did not support seat height adjustment, and even after some adjustability was added, eight different sizes required manufacture. The non-standard frame design would not accommodate a traditional front fork. Instead, Pedersen developed a fork that also consisted of thin tubes assembled into a truss, which was attached to the frame with bearings at two distinct points, instead of through a traditional head tube. Pedersen also received patents for a chain wheel and bottom bracket combination and lightweight pedals.

Maybe another COVID-19 give-away will come through to finance your a “new” bicycle …

A Contemporary Pedersen

Selected videos to enhance your appreciation of the Pederesen foloow::

SOURCES:

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*  There are three Whipple Bridge samples in the Capital area – one leading to the residence of the Albany Police Department horses at Normanskill Farm (https://en.wikipedia.org/wiki/Whipple_Cast_and_Wrought_Iron_Bowstring_Truss_Bridge), one at the Visher Ferry Historic site, and a rare doublewide bridge in Town Of Claverack, Columbia County.

A Whipple truss has diagonal members working in tension. The main characteristic of a Whipple truss is that the tension members are elongated, usually thin, and at a shallow angle, and cross two or more bays (rectangular sections defined by the vertical members). The bridges are like a life-size “Gilbert Erector Set” that could have been assembled by a small work crew out of modernly light-weight components using basic hand tools – and, hopefully, some detailed instructions on how all the parts fit together. Whipple bridges were easy to transport and assemble and were common on the Erie Canal to connect parts of farms that canal digging divided and as “change bridges” where the mule team could cross to the other side of the canal. A notable side product of these and other Erie Canal bridges was the ever-popular “Low Bridge! – Everybody Down” also known as “Fifteen Years on the Erie Canal” or incorrectly as “Fifteen Miles on the Erie Canal.” Thomas S. Allen wrote the lyrics and music in 1913 possibly as a nostalgia song when the New York State Barge Canal with its tugs and self-powered canal boats drove the hoagies and their mules (and their way of life) out of business.

I’ve got an old mule and her name is Sal

 Fifteen years on the Erie Canal

 She’s a good old worker and a good old pal

 Fifteen years on the Erie Canal

We’ve hauled some barges in our day

 Filled with lumber, coal, and hay

 And every inch of the way I (we) know

 From Albany to Buffalo

Chorus:

 Low bridge, everybody down

 Low bridge cause we’re coming to a town

 And you’ll always know your neighbor

 And you’ll always know your pal

 If you’ve ever navigated on the Erie Canal

Get up there Sal, we’ve passed that lock,

 Fifteen miles on the Erie Canal

 And we’ll make Rome before six o’clock

 Fifteen years on the Erie Canal

One more trip and back we’ll go

 Through the rain and sleet and snow

 And every inch of the way I (we) know

 From Albany to Buffalo

Low bridge, everybody down

 Low bridge for we’re coming to a town

 And you’ll always know your neighbor

 And you’ll always know your pal

 If you’ve ever navigated on the Erie Canal.

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Pre-Trip Bike Maintenance Check Up from Adventure Cycling

Preamble – Adventure Cycling’s Alex Strickland provided the following pre-ride tips for the upcoming “Bike Travel Weekend.” Even if your fall riding plans are a bit less ambitious, you might want to review these reminders. Adventure Cycling leads in with this: “Will you do us a favor and take a few minutes to check your bike before you leave for your Bike Travel Weekend & Bike Your Park Day ride? Here’s a quick checklist to help you stay safe.”

Jacques Tati et sa bicyclette, 1947 or ’49

Touring Basics – Your campground is reserved, your gear is laid out in an Instagram-friendly grid, and tomorrow’s the big day. Before you go, take 30 minutes for a quick run-through of your bike — the old “ounce of prevention” — to make sure your wheels are road-worthy before you strike out on an adventure.

Frame – Start with the frame and give it a good wipe down with a rag. Once the dirt and grime are gone, make a quick check for cracks, especially around the welds.

Tires – With the tires inflated, look for sharp debris or glass embedded in the tire, as well as any cuts that look like they go through the rubber and tire casing. Also check tread wear; if the top tread is starting to become square in shape (as opposed to rounded), or the casing is visible through the tread, it’s time to swap out for a new tire. If you’re running tubeless, adding a little fresh sealant is a good idea.

Wheels – Spin the wheels while straddling the bike and give them a quick spot check to make sure that they are round and true, and that there isn’t any excessive friction in the hubs. Also, give the spokes a quick squeeze to check for consistent tension.

Brakes – Check the pads (some rim brake pads have wear indicators) to ensure there’s enough material left. A quick visual inspection of the braking surface (rim or disc rotor) should uncover any issues there. Finally, check the lever feel and adjust cables or bleed hydraulic brakes if required.

Chain and Cassette – Chain and cassette wear can wreak havoc on your shifting and increase the chance of a broken chain. Looking at the cassette, focus on the teeth. If the cassette teeth come to a sharp point, the cassette should be replaced. As for the chain, you can use a chain checker tool to make sure that it isn’t stretched. If you don’t have one of these tools, you can look at how the chain lies over the front chainrings. If the chain doesn’t seat itself on the chainring properly, it’s probably ready to be replaced. A quick clean and lube of the chain is always a good idea.

Shifting – Run through the gears to make sure that the shifting is dialed in. Check cables and housing to make sure there isn’t any excessive friction or fraying.

Rack – Check for cracks and ensure mounting bolts are tight.

Bolts – Go over the bike from front to back, making sure all of the bolts are snug.

Take a Spin – The last step is to take the bike out of the garage and give it a quick spin around the block. Run through the gears, test the brakes, and listen for any creaks that might require further investigation.

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Update #2 on Champlain Canal Trail North from Waterford

Trail Grading – 9/8/20

Good news on the Champlain Canal Trail and Empire State Trail – grading has begun at Upper New Town road. Go to this post for a complete review. “Update on Champlain Canal Trail and the Empire State Trail North from Waterford.”

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Safe Streets – It Can Be Done

The Setting – This is about a recent traffic calming street redesign in a residential area but one with major traffic arteries – Partridge St. and Woodlawn Ave.

UPDATE: On 9/29/20, City of Albany Mayor Kathy Sheehan and others gathered at the project site to cut a ribbon opening the new sidewalk. As the Mayor stated “it’s not often that you get invited to a ribbon cutting for a sidewalk.” The mayor and other speakers all noted the long-time request from residents of the area for a sidewalk on Woodlawn to ensure the safety of people walking and visitors to the various recreational facilities at the park. The Albany Common Council Members, county legislators, and the Pine Hills Neighborhood Association president all thanked the Mayor and other city officials for bringing the project to fruition. Several Little League players come on their bicycles to help cut the ribbon.

Welcome!
L-to-R: City Engineer, Dir. Traffic Engineering, Enthused Cyclist
Snip!
It’s Open!

While ABC recognizes that this is not a “bicycle project,” we do note that the traffic calming effect of triple 4-way stop signs combined with the bumpout will tend to make this popular route safer for people on bicycles.

The Scene – In the specific location there is: the Woodlawn Park Basketball Court, Albany Babe Ruth, National Little league, and Woodlawn Park Playground. The court is constantly in use. In non-COVID-19 baseball season, players and families pack the streets and grounds. Temporary signage goes out on game days to slow motor vehicle through traffic. Both Woodlawn and Partridge are “cut-through” streets connecting New Scotland Ave., Lake Ave. Main Ave., Western Ave., Washington Ave., and Central Ave

Area Overview Prior to Redesign
Neckdown or Bulbout/Bumpout Looking South East at Glenwood
Close Up View

The Project – The City of Albany installed a “neck down,” “bulbout,” or “bumpout” mid-block to facilitate safe crossing at Glenwood St. From the National Association of City Transportation Officials, “Previous Studies on Effects of Bulbouts and Street Narrowing – The purpose of a bulbout (also known as a choker, curb bulb, neckdown, nub, or gateway) is reduction of the width of vehicle travel way at an intersection or a mid-block pedestrian crossing. Bulbouts shorten the street crossing distance for pedestrians, may slow vehicle speeds, and provide pedestrians and motorists with an improved view of one another, thereby reducing the risk of a motor vehicle–pedestrian collision.” [SOURCE: https://nacto.org/docs/usdg/effects_traffic_calming_on_ped_motorist_behavior_huang.pdf ]

Neckdown Looking North West at Glenwood from Partridge

Not only do the bulbouts reduce pedestrian travel distance, but they also provide a visible warning of their presence. Notably, the motor vehicle lane width is now 11 ft. (as should be the maximum lane width anywhere in the city). From observation, this is more than adequate for cars passing through and would not hinder first-responder vehicles. This is a heavily traveled street. While the feature is new to people in cars, they are definitely responsive to the new stop signs and narrowed road. As regular travelers become accustomed to the neckdown, speed and “pause-and-go” likely will increase. (Previously, there were no stop signs on Woodlawn at Glenwood.)

Plenty of Room – Brake Lights “On”

See more at http://www.streetfilms.org/mba-traffic-calming/#:~:text=The%20most%20effective%20traffic%20calming%20measures%20are%20those,sending%20the%20signal%20for%20drivers%20to%20slow%20down.

Why Not Elsewhere? – By comparison, Central Ave.’s curb-to-curb distance runs around 67 ft. With 2 7-ft. parking lanes, the motor vehicle travel lanes occupy 53 ft. or 12-13 ft. per lane. Wide enough? Can there be any question why this design determines the speed for people in cars vs. the posted (and theoretical) 30 MPH limit? One might guess that within a block on either side of the commercial district of Central Ave. from, say, King St. to Washington Ave. there are thousands of residents, many of whom will need to cross Central Ave. There are plenty of other opportunities within the city to “neck down” pedestrian crossings. It can be done!

Cruising Through

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Love Thy Neighbor.

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