Jump to content

MartinW

Members
  • Content count

    1,764
  • Joined

  • Last visited

  • Days Won

    3
  • Country

    United Kingdom

MartinW last won the day on March 10 2015

MartinW had the most liked content!

Community Reputation

88 Neutral

About MartinW

  • Rank
    Senior Captain
  • Birthday 10/01/58

Profile Information

  • Location
    UK
  1. Sun Flyer 4 seat electric.

    As we speak, grid-scale storage technology is being deployed across the grid, designed to cope with the intermittent nature of wind and solar. When the wind does blow, the excess energy is stored by the batteries. That stored energy is then available when the wind isn't blowing. Same for the domestic environment, the Tesla Power Wall is now relatively cheap and many that install solar panels are also opting for the power wall. There are a number of other manufacturers also providing the technology. So no, the weather won't improve but battery technology has and will. The nice thing about lithium ion batteries in this sense, is that we now know that when they are used in vehicles, or for grid or domestic energy storage, that the batteries don't behave like the small versions in our phones and laptops. there are numerous 20 year old Prius's still driving with the original batteries, and the Tesla automotive batteries are loosing 10% of storage capacity after 50,000 miles, but then losing capacity at a crawl thereon. There are a number of Tesla's used as taxis that have achieved 300,000 miles while still retaining around 80% capacity. Well no. Offshore wind is the biggest growth area. And now that we have offshore "floating" wind farms we are in a position to unlock expanses of ocean for generating power. In these locations, wind speeds are far higher. Four times more energy, per square metre can be extracted from open ocean than from land based wind farms. We have enough offshore wind potential here in the UK to power 75% of UK households. Worldwide, The National Academy of sciences tells us that approximately 3% of the windy North Atlantic has the potential to power the entire world in winter and Europe and the US in summer. http://www.renewableuk.com/news/348633/New-report-highlights-UKs-massive-offshore-wind-energy-potential-.htm https://www.theguardian.com/business/2017/jun/27/hywind-project-scotland-worlds-first-floating-windfarm-norway I used to believe that too. I don't now.
  2. Sun Flyer 4 seat electric.

    Actually 2040 according to the government. That's electric and hybrid though, most will be hybrid. And costs a bomb of course. Hinckley C is a disaster and will be the most expensive electricity ever produced. Households could end up paying £50bn. New offshore wind on the other hand is fast to implement and now 10 times cheaper than new nuclear. Hinckley C's subsidy bill has quadrupled. There are challenges for sure. $2.2 bn was the figure I saw.
  3. Extreme Water Cooling!!!

    True enough. But liquids are better conductors of heat. I was of course kidding when I said "How about immersing your entire PC in a non conducting fluid". Obviously not a technology intended for the likes of you and I. Personally I'm an air cooler fan. My NH-D15S cools my overclocked 6700K beautifully. Well below TJ Max and quiet too. No point in risking even a small chance or leaks when the Noctua does the job fine. Recently built a Mini ITX system for my daughter and I did install a Corsair H100i V2 AIO. Made sense given the extremely small form factor. Runs very cool. I did delid the CPU though and replace the Intel TIM, between die and IHS, with liquid metal.
  4. Sun Flyer 4 seat electric.

    Range anxiety is a bit of a myth for Tesla owners. Model S 300 miles I recall. Well most of us would be taking a break before that to visit the toilet and to stretch our legs. Unhealthy not to. And with Tesla super charging taking a mere 30 minutes to charge the car, and totally free to use, not so much of an issue. The trip meter on my Mazda CX5 reads 350 miles, although I admit, I drive mostly urban. If you compare a Tesla Model S with a petrol car of similar performance, Lamborghini, Ferrari, I doubt you'll see much greater range. The new Tesla truck will be using a new "mega charger" network, rather than existing super charger technology. Not so much static electricity no, but "structural Batteries" are under development, whereby part of the structure is actually a battery. BAE have a carbon fibre composite structural battery under development. As do other companies. Electric aircraft do have regenerative braking. Hybrids have a system whereby when they reduce power for decent the prop recharges the battery.
  5. Sun Flyer 4 seat electric.

    I must apologise for that, it's 5 secs empty. Fully laden it's 0 to 60 in 20 seconds. still very fast for a lorry. It can take a 5 percent gradient at 65 mph rather than 45 for a diesel truck. In regard to the initial cost, not announced yet, but in terms of total cost, purchase price, servicing fuel etc, it's 20% cheaper than running a diesel truck. Range is 500 miles, and that's a worst case scenario. Load is 80,000 lbs. True enough, upgrades required. It wouldn't happen over night though, so enough time for the necessary upgrades to be made. Power companies now have a new set of customers to profit from. Japan are already further down the road and doing okay. Here in the UK battery storage technology is being deployed throughout the grid, but sadly barely in the news. Homeowners are installing Tesla Power Walls and similar products from other manufactures. Tesla are also building the biggest battery array in the world in Australia, paired with a wind farm. Nissan are trialling V2G (Vehicle To Grid) technology in the UK and abroad. This will enable owners of the Nissan leaf to sell energy from their cars back to the grid to ease peak demand. So a lot going on, things are changing pretty fast. https://www.theguardian.com/business/2017/oct/02/electric-car-battery-savings-nissan-leaf-ovo
  6. Extreme Water Cooling!!!

    Video half way down page. http://www.pcgamer.com/this-is-what-extreme-liquid-cooling-looks-like/
  7. Extreme Water Cooling!!!

    Forget your all in one, closed loop coolers, or even a full blown custom loop. How about immersing your entire PC in a non conducting fluid. Don't try this at home folks...
  8. Sun Flyer 4 seat electric.

    Certification estimated to be two years apparently.
  9. A short while ago we were limited to 30 minutes flight time. The new sun flyer 4 seat is now up to 4 hours. The technology is advancing rapidly. Seats 4 46" Cabin Width 38' Wing Span 120 Sq Ft Wing Area 18.7 Glide Ratio 800 lbs Crew & Passengers 2,700 lbs Gross Weight 130 kW Propulsion 1,250 fpm Best Rate of Climb 55-130 Knots Normal Speeds 4 Hour Flight Endurance In other news, Tesla have just unveiled their new Roadster, fastest production car ever made. 0 to 60 in a ridiculous 1.9 seconds, 250 MPH top speed and a massive 630 mile range. Not to mention a mind-blowing electric truck with a 500 mile range that can be recharged in 30 minutes, the length of time it takes to offload the vehicle. 0 - 60 in 5 seconds, fully loaded, for a truck is astonishing. Pulls as much weight as legally allowed on US roads. Automotive, but bodes well for future electric aircraft, in terms of the rapidity of development. http://sunflyer.com/specifications/
  10. Fascinating video.

    The CEFAA had numerous experts analysing this though, over a two year investigation. Something as simple as a Chinook wouldn't have fooled them I wouldn't have thought. The crew of the helicopter failed to pick it up on radar, despite numerous attempts to lock on. A Chinook wouldn't be invisible to the AS-532's radar.
  11. Fascinating video.

    Doubt an alien species would land on the White House lawn, given that we human beings are so volatile. We speculate that the incident above was some kind of secret stealth aircraft, well an incident a while ago was almost certainly that. A Tornado crew were returning from a ''low level'' mission in the UK to RAF Laarbruch in Germany. When they were flying through Dutch airspace, over the North Sea, they encountered a UFO as big as a C130. http://www.telegraph.co.uk/news/newstopics/howaboutthat/ufo/8357165/UFO-files-RAF-tornado-crew-spotted-UFO-over-North-Sea.html
  12. Fascinating video.

    Well it's definitely a UFO, given that it's... "unidentified". There are bound to be a multitude of individuals on YouTube clamming it's an alien craft, the authorities on the other hand simply state that they have no idea what it was, despite the two year investigation. I'm tempted to suggest some kind of stealth aircraft given that it didn't show up on radar. Having said that, stealth aircraft usually have a very low heat signature, and this guy clearly didn't. You might prefer this video... apart from the dodgy music.
  13. Fascinating video.

    Very true, huge leap to state definitively that it's some kind of extraterrestrial visitor. Personally I ignored the individual narrating the video. Not a hoax. It's a genuine CEFAA report. As for why they didn't fly closer, perhaps fuel was the issue. Below is the official CEFAA report. http://www.cefaa.gob.cl/home/en-la-prensa/noticias/casoarmada
  14. Fascinating video.

    So true. Two ground based radar stations couldn't detect it and neither could the helicopters radar. Full article here... https://www.huffingtonpost.com/entry/groundbreaking-ufo-video-just-released-from-chilean_us_586d37bce4b014e7c72ee56b "Located within the DGAC, the equivalent of our FAA but under the jurisdiction of the Chilean Air Force, CEFAA has committees of military experts, technicians and academics from many disciplines. None of them have been able to explain the strange flying object captured by two experienced Navy officers from a helicopter."
×