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Topic Review
Diamond DA20
The Diamond DV20/DA20 Katana is an Austrian-designed two-seat tricycle gear general aviation light aircraft. Developed and manufactured by Austrian aircraft manufacturer Diamond Aircraft, it was originally produced in Austria as the DV20. The DV20 shares many features from the earlier Diamond HK36 Super Dimona. It was introduced to service during 1993. During the 1990s, production of the type was commenced at a new facility in Canada in order to meet demand for the type within the North American market. The Canadian-produced aircraft are designated as the DA20. It has been a relative success on the market, having sold in excess of 1,000 aircraft by 2008 and multiple improved variants of the DA20 have been developed. Additionally, it has been further developed into the four-seat Diamond DA40 Star.
  • 1.1K
  • 23 Nov 2022
Topic Review
TI MSP432
The MSP432 is a mixed-signal microcontroller family from Texas Instruments. It is based on a 32-bit ARM Cortex-M4F CPU, and extends their 16-bit MSP430 line, with a larger address space for code and data, and faster integer and floating point calculation than the MSP430. Like the MSP430, it has a number of built-in peripheral devices, and is designed for low power requirements.
  • 1.1K
  • 04 Nov 2022
Topic Review
Main Technological Challenges in Implementing Holographic-Type Communication
Holographic-type communication (HTC) permits new levels of engagement between remote users. It is anticipated that it will give a very immersive experience while enhancing the sense of spatial co-presence. In addition to the newly revealed advantages, however, stringent system requirements are imposed, such as multi-sensory and multi-dimensional data capture and reproduction, ultra-lightweight processing, ultra-low-latency transmission, realistic avatar embodiment conveying gestures and facial expressions, support for an arbitrary number of participants, etc.
  • 1.1K
  • 15 Dec 2022
Topic Review
Nosler Proprietary Cartridges
Nosler produces various high performance hollow point and soft point hunting bullets.
  • 1.1K
  • 02 Nov 2022
Topic Review
Steam-Powered Vessels
Steam-powered vessels include steamboats and steamships. Smaller steamboats were developed first. They were replaced by larger steamships which were often ocean-going. Steamships required a change in propulsion technology from sail to paddlewheel to screw to steam turbines. The latter innovation changed the design of vessels to one that could move faster through the water. Engine propulsion changed to steam turbine in the early 20th century. In the latter part of the 20th century, these, in turn, were replaced by gas turbines. Steamship generally refers to larger steam-powered ships, usually ocean-going, capable of carrying a (ship's) boat. The SS Humboldt engine room, to the right, is a concept drawing during the construction of the ship. The term steam wheeler is archaic and rarely used. In England, "steam packet", after its sailing predecessor, was the usual term; even "steam barge" could be used (Steam tonnage in Lloyd's Register exceeded sailing ships tonnage by 1865). The French transatlantic steamer SS La Touraine was probably the last of her type to be equipped with sails, although she never used them. Steamships in turn were overtaken by diesel-driven ships in the second half of the 20th century. Most warships used steam propulsion from the 1860s until the late 20th century
  • 1.1K
  • 30 Nov 2022
Topic Review
Feasibility of thermal insulation for retrofitting Historic Walls
Retrofitting historic constructions can play a key role in reducing European energy consumption and consequent emissions. What is more, beyond the opportunity for tackling climate change, thermal retrofits can improve indoor comfort while lowering operational costs, factors that are fundamental to ensure the continued use of historic constructions over time, and with that, improving their preservation and durability. The suitability of thermal insulation for this scope is still a debated topic. Thus, this study aims at contributing to the discussion by providing an overview on the feasibility of adopting thermal insulation for retrofitting external walls of historic buildings while preserving their significance and unique identities. 
  • 1.1K
  • 20 Oct 2021
Topic Review
Metal Additive Manufacturing for Satellites and Rockets
Additive manufacturing (AM), also called 3D printing, belongs to the emerging technologies of our time. After being used for rapid prototyping at the beginning, current rapid production is enabled for many applications due to increasingly improved technologies. One of the areas inh which additive manufacturing offers many advantages compared to conventional manufacturing techniques is space exploration, especially producing parts of satellites and rockets.
  • 1.1K
  • 20 Dec 2021
Topic Review
GM Y Platform
The Y platform, or Y body, designation has been used twice by the General Motors Corporation to describe a series of vehicles all built on the same basic body and sharing many parts and characteristics. The first was for a group of entry-level compacts including the conventional front-engine compacts built by GM divisions Buick, Oldsmobile and Pontiac from 1961 to 1963. The second, and current, incarnation is used for a high-end rear-wheel drive sports-car platform (chiefly that of the Chevrolet Corvette) from the 1980s through the 2000s.
  • 1.1K
  • 22 Nov 2022
Topic Review
Vehicle Routing Problem and Its Variants
The VRP solution revolves around finding a route plan, that is, a set of routes associated with a fleet of vehicles, which implies low costs associated with time, fuel, total distance traveled, and labor charges. 
  • 1.1K
  • 28 Sep 2023
Topic Review
Driving Cycles for Estimating Vehicle Emission Levels
Standard driving cycles (DCs) and real driving emissions (RDE) legislation developed by the European Commission contains significant gaps with regard to quantifying local area vehicle emission levels and fuel consumption (FC). The aim of this paper was to review local DCs for estimating emission levels and FC under laboratory and real-world conditions. This review article has three sections.
  • 1.1K
  • 12 Nov 2021
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