Comms4u's channel

I redesigned this for the 3rd time and now it works. It has a 4hp Honda engine and goes 26 mph.

First Test of the N55 SPACEFRAME VEHICLES, www.N55.dk. Weight 35 kg. carries two persons and cargo. 250 watt electrical hub motor. Constructed from...

Just a quick steering and transmission test. No seats, no brakes, no chain tensioners, and a few places only tack welded together!

The Flying Dutchman Cargo bike brings an entirely new dimension to the Dutch style load carrying bicycle. With dual suspension, a recumbent seating...

Watch the yeti do a fun dance up the stairs

Lord Mayors Show 2011

Classic: This video is the ultimate Google Earth secret images!

You've all seen something similar to this but not quite as long and much

better im...

Mark doesn't let the fact hes's out in Afghanistan slow him down!! God knows what the locals must think???

This is tethered maiden test of my Quadcopter, based on Signguy's Tricopter design.

The other day I was sitting on the rocks at the shoreline close to where I live when just from a hole came this gushing of ocean spray! Those are s...

Wellenkraftwerk mit einer Wellsturbine by LeoE H.E.u LeoP

Build a small, portable rocket launcher that shoots Nerf footballs and paintballs! This LAW (Light Anti-Armor Weapon) blasts an awesome payload!

C...

The T3 Non-Lethal Response Vehicle from T3 Motion, Inc.

The floating water wheel finally got launched beginning of January.

It turns at about 1/2 this speed when the output pipe is connected & pressurise...

oily faces..... the colours are softer in the second one and don't really show up in the clip.

8 Vaned VAWT

http://www.practicallystate... Youtubers mentioned in this video hydropowertube, jaluther, koulailat, GoVertical17, SynapticTransmission, Also...

Coastline Wave Power Plant converts wave power to high pressure fluid that by a hydro motor drives an electric generator

See more at www.tonchev.org

A rabbit i shot with my .243 ai

Madonna sing Hung Up in her sticky & sweet tour 2008 HD DVD one of her best music !!!

american life , confessions on a dance floor hard candy ray ...

Auto gravity feed pellet burner.

Internal parts are shown.

Chimney screen prevents smoke and flame from entering feed tube

Cheers

Video of wood chip fire inside of firebox of Eureka School 6MM btu/hr wood boiler, Eureka Montana

A vertical axis wind turbine powering a reciprocating water pump via a lantern gear system. For full details see alanswebsite.co.uk

Here's one I made earlier.

Read more at www.SeaTwirl.com. A successful test installation has been carried out in the sea near Halmstad on the Swedish west coast. Intensive we...

This tracker is lashed up from two solar cells salvaged from solar garden lights and a maxon geared motor.

That's it. No frills.

Accuracy is arou...

This video demonstrates how W32.Stuxnet can compromise a Programmable Logic Controller (PLC), resulting in unintended consequences for the machines...

Recorded on July 31, 2011 using a Flip Video camcorder.

This electric powered trailer pushes you along efficiently with attachments for upright and recumbent bikes.

ネオジム磁石を用いたコアレス発電機を開発（090716を更に­改良）し小型水車に組み込み、動作テストを行いました。水車軸と­発電機とはベルト（増速比1：3）で結合、発電機内部ではギア（­増速比1：3）結合。トータルで9倍に増速しています。このコア­レス発電機は500RPMで64W、1000RPMで22...

Home made water wheel that will generate power

Pendulum - Propane Nightmares - Bestival 2011

This demonstration was actually filmed in 2001 not as stated, in the video, in 2010--my typo Bob.

I have disabled comments as a responce to the un...

Slingpump, self supporting water pump

PV solar panel single axis solar tracking circuit using CDS photoresistors to sense the position of the sun and convert it to a voltage which drive...

This is the final test. It's working perfectly under the sun too.

The focal point is placed at the center of the rotation so is always at the same ...

A 2-DOF solar tracker that is used to increase the efficiency of mobile-PV systems by at least 20%~30% over fixed traditional PVs. The system was p...

SEA WAVE NATURAL DEVICE

We have developed unique device to produce electricity from Sea Wave Moving Moment Up and Down the device does not need e...

A short Video showing how to use the 'Kelly Kettle' and the Kelly Kettle accessories - the Pot-Support & Cook set. For more pictures, testimonials...

Home made air powered 5 cylinder radial engine

The global food system's bust. We need to fix the System. Join Oxfam's GROW campaign and look out for us at festivals across the summer.

http://ww...

Jet engine Robert Maddox testing his super twin pulsejet powered bike at 70 MPH

This is my challenge in order to gain sponsorship for the ABF - The Soldiers' Charity.

Rifle is a BSA R10 running at 10.5 foot pounds using Logun Penetrator pellets in .177

The last few weeks of removing pest/vermin rabbits from farm...

This Stainless Steel Overshot Waterwheel was designed by Beyond Innovation ltd, Scotland, and powers Leadburn Manor situated South of Edinburgh. I...

Wave Energy Research at Oregon State University.

Columbia Power Technologies.

Ocean Power Technologies.

Oregon Iron Works.

Wave Power Buoy.

This is the world's first floating water wheel Aerator System, Installed in Yamuna River near Barsana Villege in India. No Need Of Electricity, Pet...

This is a 3D model of a Compressed Air Engine, created in Autodesk Inventor then rendered and animated in Inventor Studio.