The USA electoral process is a complex one; caucuses and primaries, followed by national conventions, general elections, formation of the electoral college and the selection of the president. Each step of this process has a lot of subtleties, which vary widely from state to state.
Caucuses and Primaries: This is the initial step of the selection of president. This stage of choosing occurs within a political party, where the party picks the candidate to rally behind.
In the state “Primary”', the registered members of political parties cast votes to allocate delegates for the presidential nominees of their parties. In some of the states this is done through caucuses, where groups are formed behind various potential candidates and there is discussion and persuasion between various groups. Republican party allocates all the delegates directly through primary or caucus, however the Democratic party allocates some Super-Delegates over and above the directly elected ones. These selected or allocated delegates are sent to the national party convention to represent their nominees.
In the process occurring between the primaries and caucuses to the selection of the potential electors is decided entirely by the party. The democrats, after the 1968 democratic convention, made a formal mechanism to reduce power of party leaders over the selection process and ways to represent minorities in the electors. This, however, backfired for the party as the delegates selected by primaries voted according to candidates and not the party, which led to the 1972 democratic Presidential candidate to win in only one state. The rules were then reformed and the concept of Super-Delegates was introduced. The Republican party also followed a somewhat similar trajectory, but did not impose as many restrictions on the delegate selection process, and never took measures to include the minorities.
National Conventions: Each parties’ delegates then choose a final presidential nominee at a national party convention. The nominee picks another person, who would be the vice president in the case the nominee wins. Here, there can be pledged or unpledged delegates; pledged ones are bound to support the potential candidates they chose in the previous round, while the unbound, or superdelegates can support anyone they choose.
Electoral College: After each of the parties have selected their presidential candidate, the candidate campaigns across the country to gain favor from the general public. There are speeches, rallies, debates, and other outreach activities, in which the candidates promote themselves. Meanwhile, the parties select some respective potential electors in each state, which are the people who get the last vote in the selection of the president. Each party forms a slate of potential electors according to the state..
General Election:After this, the general election occurs, in which the public votes for a president. However, the public does not directly vote for the president; they vote for the slate of electors for that political party for that state.
After the general election, the Electors are appointed to the state in two ways.. Electors from all the states then form the electoral college, which is the body that votes for the president. The electors are not legally bound to vote for the party they are pledged to, but can be fined or disqualified if they defect. Throughout USA history, though, more than 99% of the electors have voted as pledged.
The electoral college presently has 538 electors and the candidate who wins 270 or more electoral votes, wins the Presidential election.
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3D Printing: The direction to go for the Indian Defense and Aerospace Industries
3D printing is the next big game-changer on the technological front, almost a revolution if you will. 3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by layering two-dimensional cross sections on top of one another. The two-dimensional cross sections are computer-designed and rendered, which makes it all the more advanced. From Aerospace to Defense and Medical to Automotive, products manufactured via 3D printing are spreading their reach in the markets quite swiftly. This article will take a look at how 3D printing is beneficial and how the technology can transform the Indian and Defense and Aerospace sectors once utilized to its full potential.
Additive manufacturing has the power to unlock a wide range of opportunities. It uses a 3D printer to create a layer-by-layer “addition” of material which is digitally constructed. Different types of materials which are currently being used for the same are metals, ceramics, special plastics, synthetic resins, and etc. 3D printing not only reduces the cost of production of various components but also gives the power to manufacture locally with design flexibility. The technology significantly speeds the process of designing; this is mainly because there is no requirement of tools. Traditional manufacturing usually takes months to either acquire necessary tools and further produce parts and components or import components from various places. However, once 3D printers are acquired, which they might be costly in themselves, they would ensure a smoother production process. Hence, due to the combination of localized manufacturing and no tools, tailor-made designs can be produced to match the necessities of various industries.
India is gradually growing with respect to its utilization of 3D printing technology. In 2014, the 3D printers market was at an early stage with just 200-500 combined workforce of engineers, designers and sales representatives. Currently, start-ups are springing up in places like Bangalore, Chennai, Mumbai, Visakhapatnam, etc and they are producing essential parts for sectors like the Indian Navy, Air Force, ISRO and the HAL. India’s 3D printing market is projected to reach $79 million by the end of 2021, while the global market is at around $15.8 billion, which suggests that India has a lot of catching up to do.
Applications in the Aerospace and Defense Industry
The Aerospace and Defense Industries are keen to pursue additive manufacturing, mainly because of benefits such as weight reduction, cost cutting and to meet their highly specific requirements. The additive process uses less material to manufacture components and also ensures minimal waste of material. Overall reduced weightage means that less fuel would be used in aircrafts and hence result in better environmental compatibility. Let’s examine a few instances in India where 3D printing startups have assisted and provided the defense and aerospace sectors with unique solutions.
Recently, in 2020, the Centre-run defense company Hindustan Aeronautics Limited (HAL) had signed a MoU (Memorandum of Understanding) with Wipro 3D, the metal additive manufacturing branch of Wipro Infrastructure Engineering. The initiative would primarily focus on the design, development, testing, manufacturing, and repairing of aerospace components using metal additive technology. HAL is using 3D printing to manufacture engine components, although it also provides support to helicopter and rotary wing products. HAL also provides products to the Indian Army, Air Force, Navy, and Coast Guard. Speaking about this collaboration, Shekhar Shrivastava, CEO of the Bangalore division of HAL, said, “This initiative between HAL and Wipro 3D will create a unique synergy of capabilities that can accelerate the adoption of metal additive manufacturing in aerospace in India. Qualification of parts for aerospace is challenging as it would require prove out and extensive testing followed by certification by regulatory authorities which may also include flight testing."
Down south, Karnataka, which produces more than 65 percent of India’s aerospace-related components and exports, has taken a number of initiatives to promote additive manufacturing by setting up 3D printing clusters and sponsoring 3D printing startups. For example, through its flagship programme ‘Start Up Karnataka’, the State has given grants to ‘Deltasys E-Forming’, a Belgaum based start-up, to develop hybrid composite 3D printers. These initiatives are quite appropriate since two-thirds of India’s aircraft and helicopter manufacturing for the defense takes place in Karnataka, and 3D printing would revolutionize these processes quite rapidly.
On the other coast, Chennai-based 3D printing startup, Fabheads Automation, was established in 2015 by an ISRO engineer turned entrepreneur Dhinesh Kanagaraj. The deep tech startup designs and develops high-end carbon fibre helicopter blades for the Indian Air Force. Traditionally, carbon fibre parts are fabricated by laborious manual processes with a lot of fabrication time and money spent. Dhinesh also observed a lot of material wastage when he worked on carbon fibres at ISRO. Based on this, Fabheads has designed an automated 3D printer series to eliminate material waste and also improve efficiency of production of carbon fibre. Sectors like the DRDO are currently approaching the company given these innovative methods of production.
3D Printing Saves the Day for the Indian Navy
Further, the Indian Navy has partnered with ‘think3D’, a Hyderabad-based 3D printing start-up, to produce spare components via additive manufacturing for both on and off-shore set-ups. The Indian Navy uses a lot of machinery on its ships which are imported from other countries and are quite old. Whenever a component gets damaged, it is hard to replace it either because there is no availability of the part or because there is significant delay before a part is received. This often proved to be costly for the Navy since the machines would have to be kept idle before a spare part was replaced along with the fact that procurement of the parts was no less expensive.
This is where think3D had stepped in and supplied 3D printed parts to the Indian Navy, which were successfully tested and incorporated into its machinery. An example of such a 3D printed part, which proved to be of crucial help, is that of a centrifugal pump impeller- a key component for a ship’s operation.
Figure 3: An original impeller (left) vs. a 3D printed impeller (right). Image source: think3D
The impeller is a rotating component and it is very important for a ship as it transfers energy from the motor to a fluid that needs to be pumped by accelerating the fluid outwards from the centre of rotation. On ships, this component is used to import seawater into various parts of the ship for regular use of the crew. These impellers are required to rotate at high speeds for long durations and need to be very carefully designed. 3D printing was the best solution to replace these parts, given the speed of production and lower expenses.
Given all the benefits of 3D printing, it is high time for the Indian market to expand its 3D printing industry and utilize it to its full potential. There are many other instances like the one of the impeller in the Aerospace and Defense industries which can easily be solved using 3D printing.
