How to Build a Lorawan Gateway

What is Lorawan First of all, what is Lorawan. It is a wireless technology that allows small amounts of data to be sent between a remote sensor (such as a river level detector), and the Internet. Lorawan technology is very efficient at sending the sensor data over long distances, whilst consuming very little power. This …

How can I make my diesel engine last a long time

How you can make your diesel engine last a long time Diesel engines can last for the life of your car or boat, with regular and cost effective maintenance. Changing the Oil Regularly Changing the engine oil on a regular basis is important in order to make your diesel engine last a long time. This …

Fuses in Two Way Radio Installations

The importance of fuses in radio equipment power supplies A safe two-way radio equipment installation requires the ability to quickly disconnect the supply to the equipment, if a fault develops. Fuses are a cost effective solution, for equipment safety. What are Electrical Fuses Fuses are devices that protect equipment installations, from excess electrical current. Excess …

How Does a Marine Diesel Engine Work

How does a marine diesel engine work Diesel engines are widely used in both road vehicles, and marine installations. But how do diesel engines work ? Marine diesels, and diesel engines in general are a ‘compression ignition engine’. Air is drawn into the cylinder, and then compressed. This compression of the air is caused by …

Lorawan IOT Gateway construction

Lorawan- building an IoT  Gateway for the Things Network Lincoln Things Network I am the initiator of the Lincoln Things Network which is a worldwide crowd funded initiative, bringing lorawan wireless IOT (Internet of Things) to the world. The local Lincoln group which I founded can be found at https://www.thethingsnetwork.org/community/lincoln/ The network receives environmental data …

tips for draining oil on a marine diesel engine

Tips for draining engine oil on a small marine diesel engine. The oil in a diesel marine engine is used for lubricating the internal components, such as crank bearings. Without lubrication there would be a high level of Friction generated inside the engine. This friction would be due to the metal components ‘rubbing’ together, in …

Insulated Neutral Earthing Systems on Ships

Insulated Neutral Earthing on Ships Insulated neutral earthing systems on Ships and land-based electrical installations differ. In this article, we look at insulated neutral earthing systems on ships and compare them with land-based systems. Insulated Neutral Ships Earthing Systems Ships earthing systems are typically different from land-based installations when it comes to their Earthing systems. …

MCA AEC Course

MCA AEC Course Last week I successfully got my MCA AEC Course certificate. The AEC, is short for Approved Engineering Course, and is an internationally recognised marine engineering qualification, run by the UK MCA (Maritime & Coastguard Agency). The course was a mix of engine theory and practical hands on work using tools, and covered …

Lead-Acid Batteries Care and Maintenance on Ships

Care and Maintenance of Lead Acid Marine Batteries on Ships Lead-Acid Batteries on ships provide an important function. In the event of a ‘blackout’, or loss of generator power, they allow the ships important systems to continue to operate, until backup generators ‘kick in’, or repair can take place. Important systems include communications, such as …

What supply teaching taught me about being a business entrepreneur

For five years I worked (through choice) as a supply teacher (substitute teacher in USA), in the British state school system. It taught me valuable life lessons & helped develop personal qualities in myself, that have helped in business. Resiliance Supply teaching, like business, is tough.  As a supply teacher, you can be ‘meeting new …