uncleflo
Registered since September 28th, 2017
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Drone Laws in France | UAV Coach (2021)
Saved by uncleflo on February 12th, 2022.
According to France’s national aviation authority, the French Civil Aviation Authority, flying a drone is legal in France, but we recommend being aware of and compliant with the drone regulations listed below before doing so. If you’d like to contact the French Civil Aviation Authority directly before you travel with any questions you might have, message them on Twitter: @DGAC France is a part of the European Union and therefore must abide by the drone regulations put in place by the European Union Aviation Safety Agency (EASA). In addition to these regulations, France also has regulations that are country-specific. Based on our research and interpretation of the laws, here are the most important rules to know for flying a drone within the European Union. There are three operational categories that determine drone regulations based on the weight of the drone and the intended operation. This section will only cover the Open Category, to see all European Union laws and categories, click here.
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MIT OCW - 2.972 How a Hydrofoil Works
Saved by uncleflo on February 12th, 2022.
The rquirement is to lift the boat's hull outside the water. Hydrofoil (It is a foil or wing under water used to lift the boat's hull until it is totally outside the water.) Explanation: 1. At low speeds the hull (body of ship) sits in the water and the hydrofoils are totally submerged in the water. 2. As the boat's speed increases, the hydrofoils create lift. 3. At a certain speed, the lift produced by the hydrofoils equals the sum of of the boat and cargo weights. Therefore the hull comes out of the water. 4. Instead of having an increase in drag with increasing speed because the hull is lifted out of the water (contrary to what happens in traditional boats due to pressure drag), the hydrofoils provide a more efficient way of cruising. Decreasing the drag contributes to the better use of the power needed for the movement of the boat.
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M1 Mantus Anchor | Best Quick-Set Anchor| Mantus Marine
Saved by uncleflo on January 17th, 2022.
DIGS LIKE NO OTHER The Mantus Anchor is designed to penetrate dense, grassy bottoms and set with unparalleled holding power. When tested, our anchors set faster and deeper than any other tested anchor, including Rocna, Manson Supreme, Bulwagga, Fortress, Bruce, CQR and Danforth anchors. EASY TO STORE The Mantus Marine anchor lineup simply has the best boat anchors available, whether you are a long-range cruiser, racing or going out for a day sail. The Mantus quick-set anchor is stowable and breaks down for easy storage, so you can store one or two as spares without taking up much needed boat space.
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Simply Electric Motorcycles, Electric Motorbikes, and DIY Kits
Saved by uncleflo on April 17th, 2021.
Simply Electric Motorcycles, Electric Motorbikes, and DIY Kits. Are You Having Trouble Getting Around? Super Light Power Wheelchair for Travellers, Quick/Easy Foldable, 50% Battery Saving. You can convert your bicycles to super ebikes, quick and easy! High Power BLDC Motors for EVs and Industrial Applications.
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custom made heavy duty Multi rotor motor high voltage power plant protection UAV version drone Mapping in Agriculture-in Parts & Accessories from Toys & Hobbies on AliExpress
Saved by uncleflo on December 22nd, 2019.
(Motor Type) KV<40; Motor Size(mm) φ240*150; Weight(g) 16000; Torque (nM) 150; Speed (RPM) 6000; Max Continuous Current(A) 400; Max Continuous Power(W) 100000; Continous power(W) 55000; Max Pulling Force(g) 250000; Suitable for ESC Suit for ESC 400V 250A /200V 500A; MOTOR: H240150; SIZE: 240x 150( without shaft )
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QSMOTOR 4wd 8000W 273 50H V3 brushless electric car hub motor conversion kits for heavy car-in Motors from Automobiles & Motorcycles on AliExpress
Saved by uncleflo on December 22nd, 2019.
QS Motor 4wd 273 8000W 273 50H V3 brushless electric car hub motor conversion kits with APT controller. The Electric Car Kit includes most of things needed (except battery/charger) to convert your standard car into a top-of-the-line performance electric car, which delivers unequaled performance and reliability. You'll be out cruising along at approx. 50-75mph / 80-120kph speed. If your car weight is light, can reach at 130kph@96V. Key feature: Simplify to make a electric-car. Gearbox, transmission shaft, clutch are no need. Which save space; It could be installed in wheels, and easy to be hybrid car; 4wd, it could be 96V 130KPH, 4*350N.m peak torque. Can afford 1600kg total weight car; Easily to make 4-wheel drive, which could spot turn; Support regenerative braking; High efficiency: 85~92%;
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Jet Engine PBS TJ100 - PBS
Saved by uncleflo on August 26th, 2019.
Its advantage is its compact design, low weight with a thrust of up to 1,300 N, and low fuel consumption in the given power category. The generator output is 750 W. One of the PBS TJ100 engine versions enables landing on water. The PBS TJ100 engine is a single-shaft jet engine consisting of a radial compressor, radial and axial diffuser, annular combustion chamber, axial turbine and a fixed outlet nozzle. The PBS TJ100 jet engine was developed for UAVs, missiles, light sport aircraft and gliders with an additional engine. We have delivered hundreds of our jet engines for manned experimental aircrafts and unmanned aircrafts all around the world.
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Term Frequency and Inverse Document Frequency (tf-idf) Using Tidy Data Principles
Saved by uncleflo on December 23rd, 2018.
A central question in text mining and natural language processing is how to quantify what a document is about. Can we do this by looking at the words that make up the document? One measure of how important a word may be is its term frequency (tf), how frequently a word occurs in a document. There are words in a document, however, that occur many times but may not be important; in English, these are probably words like “the”, “is”, “of”, and so forth. We might take the approach of adding words like these to a list of stop words and removing them before analysis, but it is possible that some of these words might be more important in some documents than others. A list of stop words is not a sophisticated approach to adjusting term frequency for commonly used words. Another approach is to look at a term’s inverse document frequency (idf), which decreases the weight for commonly used words and increases the weight for words that are not used very much in a collection of documents. This can be combined with term frequency to calculate a term’s tf-idf, the frequency of a term adjusted for how rarely it is used. It is intended to measure how important a word is to a document in a collection (or corpus) of documents. It is a rule-of-thumb or heuristic quantity; while it has proved useful in text mining, search engines, etc., its theoretical foundations are considered less than firm by information theory experts.
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Convert ANY bike into an eBike
Saved by uncleflo on June 11th, 2018.
Finally Affordable: Swytch is the first truly affordable eBike system. It is the result of 4 years of engineering innovation to bring down the cost of building reliable and high performance electric bikes. Lightweight & Versatile: The Swytch motor wheel adds just 1.5kg additional weight and leaves it so that it looks and rides exactly like a regular bicycle The power bag weighs just 2.2kg and can be fitted in an instant when you want to 'Swytch' to electric power. Fits any bike: The Swytch system can be fitted to ANY bike, old or new, big or small. Convert your existing bike to electric, or try one of our complete Swytch Bikes on offer with the system already fitted. British Engineering: The Swytch system was developed in the UK by a team of British Engineers with years of experience building and developing eBikes. We are dedicated to low-carbon technologies that are good for the planet.
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28 Photos That Brilliantly Capture The Beauty And Horror Of Human Life.
Saved by uncleflo on February 8th, 2015.
Every day we go about our daily lives and routines... pick up a Starbucks, playfully argue with a friend, chat at the water cooler, drive home in traffic, watch the same TV shows, go to sleep. Wake up the next day and do the same thing. It's sometimes easy to forget, even after watching the news or traveling to a foreign country, that there is a lot going on in the world outside of our small bubbles of influence. Things both horrifying and beautiful, amazing and sorrowful, positive and negative.
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Air-Breathing Launch Vehicle Technology Being Developed
Saved by uncleflo on September 2nd, 2014.
Of the technical factors that would contribute to lowering the cost of space access, reusability has high potential. The primary objective of the GTX program (ref. 1) is to determine whether or not air-breathing propulsion can enable reusable single-stage-to-orbit (SSTO) operations. The approach is based on maturation of a reference vehicle design with focus on the integration and flight-weight construction of its air-breathing rocket-based combined-cycle (RBCC) propulsion system.
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F-15 Streak Eagle Record Flights Part 1 - YouTube
Saved by uncleflo on June 3rd, 2014.
The Streak Eagle attempts to break numerous world air records. Even if you don't like airplanes, just play it for the music. You'll notice that the Streak Eagle isn't painted, that's to reduce overall weight and make it go faster. You'll also notice that before take off, it is chained to the runway and then released. This is to build up as much potential energy as possible before the plane takes off.
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Bitcoin Charts / Markets API
Saved by uncleflo on May 16th, 2013.
Bitcoincharts provides a simple API to most of its data. You can use this API to include markets data in your websites, mobile apps or desktop applets. Please remember to add a link to Bitcoincharts! Bitcoincharts offers weighted prices for several currencies at http://api.bitcoincharts.com/v1/weighted_prices.json. You can use this to price goods and services in Bitcoins. This will yield much lower fluctuations than using a single market's latest price. Weighted prices are calculated for the last 24 hours, 7 days and 30 days. If there are no trades during an interval (like no trade within 24 hours) no value will be returned. Prepare your code to handle this cases! The returned JSON is dictionary with elements for each currency. Each currency has up to three key-value pairs: 24h, 7d and 30d
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The Quickest Plan For More Muscle
Saved by uncleflo on September 29th, 2009.
With this hassle-free workout, you'll sculpt your body faster than ever. A pair of dumbbells and a bench are all you need to drop unwanted fat and add eye-catching size.
The biggest obstacle between you and the body you want might come from an unexpected source: your gym. That's because crowds can slow your workout—and your results. After all, every second you spend waiting for the chinup bar, cable station or squat rack is less time you have for working your muscles or boosting your calorie burn. And isn't there too much downtime built into your day already?
Bing Search: Fitness
View results for: Exercise Equipment Men's Fitness Women's Fitness
Don't waste another minute in the gym.
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