Hydraulic Vibratory Hammer: the Foster 4200

Background The Foster hammers are an interesting part of Vulcan's last years.  The concept was to produce a vibratory hammer under a "private label" arrangement, a novelty for the pile driving equipment industry at the time (although the "Chimag" diesel hammers were a similar concept.)  In the early 1990's Vulcan produced several vibratory hammers for … Continue reading Hydraulic Vibratory Hammer: the Foster 4200

Russian Hydraulic Demolition Hammers

Yu. V. Dmitrevich, VNIIstroidormash L.V. Erofeev, Stroifundamentservice V.A. Nifontov, Stroifundamentservice D.C. Warrington, Vulcan Iron Works Inc. This article was originally published in 1993 or 1994.  The graphic above shows a 9 kJ unit mounted on an excavator. Introduction Hydraulic demolition hammers mounted on hydraulically powered excavators are becoming increasingly widespread in world practice. They allow … Continue reading Russian Hydraulic Demolition Hammers

Vulcan #3 Hammer: Specifications and Information

The #3 was one of the early (pre-1900) Warrington-Vulcan hammers, along with the #2 and #1.  A general arrangement is shown above; specifications are below. The #3 found itself involved in some important projects, including the construction of the original Panama Canal, as evidenced by the memo below. The #3 fell out of favour to … Continue reading Vulcan #3 Hammer: Specifications and Information

An Old Idea Comes Back: China-US Arbitration in a Neutral Country

In his assessment of the prospects of US-China relations, former Australian Prime Minister Kevin Rudd makes the following suggestion to resolve intellectual property (IP) issues: Intellectual-property protection, however, is deeply problematic. Previous agreements reached under US president Barack Obama’s administration could be reconstituted. But the jurisdictional enforcement of breaches is still hopeless. One possible mechanism … Continue reading An Old Idea Comes Back: China-US Arbitration in a Neutral Country

Vulcan 305 and 306 Hammers: Specifications and Information

No history of the Warrington-Vulcan hammers would be complete without mentioning the 305 and 306 hammers.  The primary purposes of these designations was to harmonise them with the way Vulcan had numbered its larger hammers for many years, although these hammers incorporated changes such as cables and the possibility of Vari-Cycle II. The first 306 … Continue reading Vulcan 305 and 306 Hammers: Specifications and Information

Vulcan 012 Hammer: Specifications and Information

The 012 was the largest Warrington-Vulcan hammer with a 3' (actually, 3.25' for the #0 series) hammers.  It used a long ram, the same length as the later 010 hammers.  It is a very useful hammer with its relatively large ram weight, although in practical terms it was soon overshadowed by the 5' stroke 512. … Continue reading Vulcan 012 Hammer: Specifications and Information

Vulcan 010 Hammer: Specifications and Information

The 010 is one of Vulcan's more popular hammers.  For many years it was the largest Warrington-Vulcan hammer in the line until the 012.  It was an upgrade from the 0R hammer, raising the ram weight from 9,300 lbs. to 10,000 lbs.  Another general arrangement of the 010 with the steam belt are shown below. … Continue reading Vulcan 010 Hammer: Specifications and Information

NPO VNIIstroidormash: Soviet Construction Equipment Technology

On this site I have posted several articles on Soviet (and after that Russian) pile driving equipment, such as diesel hammers, concrete pile cutters, and vibratory and impact-vibration hammers. These are very specialised topics, even by construction industry standards; here I want to present some photos of more general interest to you heavy equipment fans. … Continue reading NPO VNIIstroidormash: Soviet Construction Equipment Technology

Vulcan 08 Hammer: Specifications and Information

The Vulcan 08 was an upgrade from the venerable #0, increasing the ram weight from 7,500 lbs. to 8,000 lbs.  The 08 experienced the upgrades of the other Warrington-Vulcan hammers, including cables and the Vari-Cycle, as shown above.  (The cables shown above used the tapered lower fittings and are to the head; later Vulcan 08 … Continue reading Vulcan 08 Hammer: Specifications and Information

Driving Speed That Makes Footage Records

Above, an ad for the Warrington-Vulcan hammer, as featured in Engineering News-Record, 1926.  Note that there are two distributors listed: one in California and the venerable Woodard Wight in New Orleans, which (with its salesman Herman Hasenkampf) went on to represent Vulcan in the Gulf during the offshore years. Note also that Vulcan even at … Continue reading Driving Speed That Makes Footage Records