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Abstracts by Enterprise - NASA

These alloys have been shown to increase Af transformation temperature to over 350ºC, however, these alloys are also significantly less ductile and more prone to casting segregation. The proposed innovation has the potential to eliminate the typical cast/rolling/extrusion procedures typically used with NiTi alloys with a near-net vacuum plasma Clean up the act - TWIWire brush the surface of the edge preparation for butt welds and the plate surfaces for fillet welds, including the region a short distance (5mm) beyond where the welds are to be deposited. Wire brushing may be carried out manually or with a motor driven wire

Leak check simplifies mast crack testing - TWI

The next step is to install the pressure system on the most vulnerable mast, using a purpose made fixture and drill for making the 75mm long pressurisation holes in the flanges. A special drilling procedure has been developed to ensure that a clear air path is obtained even into the tightest gap. MODELING BY MATHEMATICAL EXPRESSION patent MATERIALS PROPERTY PREDICTOR FOR CAST ALUMINUM ALLOYS - A device and article of manufacture to predict material properties of a cast aluminum-based component. In one form, a computer-based system includes numerous computation modules programmably cooperative with one another such that upon receipt of data that corresponds to the cast aluminum Military THE INTERNATIONAL HYDROFOIL SOCIETY Sep 05, 2017 · These routes are mainly lakes, bays and sounds. There are very few open-ocean routes. Hydrofoils are more expensive to build due to the complexity of the things, something that the naval architects and engineers have built into the systems. [By contrast], the basic offshore aluminum crew boat is a reliable, lightweight, fast, and durable machine.

PORTHOLE:A Compendium of Geopolitical, Strategic

The book is essentially a Compendium of key geopolitical, strategic and maritime terms and concepts, meant for national policy-makers, strategic analysts, the academia and young professionals of seagoing services. All terms and concepts are sequenced PS's Safety Tether Test Results Reignite Concerns Aug 15, 2011 · Even though it has a lightweight, aluminum-alloy Kong hook at the boat end, the West Marine tether weighs a bit more than the earlier model tethers with stainless-steel Gibb or Wichard hooks at the boat end. We attribute the added weight to the 1¼-inch webbing, as opposed to the 1-inch webbing found in earlier models. Poolbeg Yacht and Boat Club - AfloatMar 26, 2020 · Poolbeg Yacht & Boat Club Cancels Annual Lift-In of Boats. Dublin's Poolbeg Yacht and Boat Club has asked berth holders not to 'quarantine' or 'isolate' on their boats at the city-centre marina. The advice comes as the River Liffey club also cancelled its annual lift-in boat boats until further notice because of the Covid-19 emergency.

Poolbeg Yacht and Boat Club - Afloat

Poolbeg Yacht and Boat Club hosts its first ever dinghy open event as part of their annual regatta. The combined RS fleets, the RS200s & RS400s, will race the "King of the Liffey Open Sprint Event" on Saturday the 13th of August. Exciting short course racing will be run on the Liffey opposite the ideal spectator vantage point of Poolbeg Yacht Club. The Project Gutenberg eBook of Inventions in the Century Jul 18, 2011 · The Antiquity of the Art.The "Lost Arts" Rediscovered.The Earliest Forms of Smelting Furnaces.Ancient Iron and Steel.India and Africa.Early Spain and the Catalan Furnace.The Armour of Don Quixote.Bell's History of the Art.Germany.Cast Iron Made by Ancients, Disused for 15 Centuries.Reinvented by Page and Baude in US9777698B2 - Multiple motor gas turbine engine system A vehicle propulsion system comprises at least two motors. Combustion occurs upstream of a first motor, and a second motor is downstream of said first motor. The first motor is a turbine that drives a primary propulsion element to effect propulsion and a compressor to effect compression. The second motor is an expansion device whose incoming gases arrive from said first motor.

Vindication for the P-6M SeaMaster

The P-3 replacement program called the Multimission Maritime Aircraft (MMA). The Broad Area Maritime Surveillance aircraft is being proposed as an absurd modification of the land-based 737 jet commuter airliner when what the USN needed all along was the P-6M Aluminium boats and StrongAll Blue NomadsJan 17, 2020 · Aluminium:boats were built of this since the 1890s; aluminium has been a niche build material but with many benefits. Theres a nice history (PDF). ium:while they exist, very few boats are made from titanium although it is a good fit apart from cost. Plastic:some smaller boats are made from plastic. One method is roto-moulding