Thursday, August 19, 2010

GOOD blog about flying

New in the Maker Shed: Compressed Air Rocket Kit

Hundreds of makers all over the world have built compressed air rockets since we published the project in MAKE, Volume 15 (included in the kit). Now all the parts for making your own launcher and rockets are available in the Maker Shed! Just add a bicycle pump, masking tape, and two standard 9v batteries and you are ready to blast these paper and tape rockets hundreds of feet in the air!

The Flying Scrooge: Ornithopter of Household Items
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by royalestel


introThe Flying Scrooge: Ornithopter of Household Items
This instructable will show you how to make a nifty flying model known as an ornithopter from cheap to free stuff.

An ornithopter is a lot like a model airplane, but it flaps its wings like a bird or an insect, and is a lovely sight to watch in flight.

This is pretty easy to build; you really only have to make sure the bearings are all parallel. Everything else can be crooked and this will STILL fly just fine. It is also VERY sturdy and can take many, many crashes without breaking. As an added bonus (and due to my personal tightwaddery) it is CHEAP. You can make this ornithopter out of household items. Mine cost about $1.30 to make.

If you appreciate this instructible, please visit my blog for more ideas:
GoodCleanCrazy

Supplies:
Bamboo Place Mat -- $1 at the local dollar store. We bought one too many for our table.
Gel Super Glue -- $1 for a 3 pack at the dollar store. Found it in a cupboard.
Plastic Grocery Bag -- Usually use them for tying up stinky diapers.
Coffee Filters -- Free from work (I don't drink coffee). And, no, I didn't steal them.
Paper Clips
Rubber Bands
Bic Pen
White School Glue
Clear Tape -- All free stuff I found lying around

Optional:
CA accelerator -- $4 at the local hobby store. Sets super glue almost instantly.

Tools:
Sharp Blade
Diagonal Cutters
Scissors
Needlenosed pliers
Regular Pliers

Monday, August 2, 2010

Pneumatic tubes info

After Effects Tutorial. Create a cool logo transition using card particl...

The Cloud

The Cloud - from MIT Mobile Experience Lab on Vimeo.

The Cloud Project


Luminex Fiber Optic Bedsheets To Keep You Up All Night

Cool Singing Tree in Burnley

Portable pneumatic blower United States Patent 7125204

A portable unit for pneumatically blowing landscaping and/or building materials, such as bark, mulch, fertilizer, compost, wood chips, grass clippings, leaves, gravel/stone, straw, hay, sawdust and combinations thereof is provided. The unit is transportable by: a car trailer, truck trailer, garden tractor trailer; on stakes of a stake bed truck; by a three point hitch; by a forklift and any combination thereof. The unit includes a hopper having an integral airlock feeder in one preferred embodiment. The unit either includes an on-board power supply device, such as an engine, or provides connections for receiving power remotely.

Pneumatic tube letter from Berlin, Germany, 1904



Pneumatic post or pneumatic mail is a system to deliver letters through pressurized air tubes. It was invented by the Scottish engineer William Murdoch in the 1800s and was later developed by the London Pneumatic Dispatch Company. Pneumatic post systems were used in several large cities starting in the second half of the 19th century (including an 1866 London system powerful and large enough to transport humans during trial runs - though not intended for the purpose),[5] but were largely abandoned during the 20th century.
It was also speculated that a system of tubes might deliver mail to every home in the US. A major network of tubes in Paris was in use until 1984, when it was finally abandoned in favor of computers and fax machines. In Prague, in the Czech Republic, a network of tubes extending approximately 60 kilometres in length still exists for delivering mail and parcels. Following the 2002 European floods, the Prague system sustained damage, and operation was mothballed indefinitely.

Pneumatic post stations usually connected post offices, stock exchanges, banks and ministries. Italy was the only country to issue postage stamps (between 1913 and 1966) specifically for pneumatic post. Austria, France, and Germany issued postal stationery for pneumatic use.
Typical current applications are in banks and hospitals. Many large retailers use pneumatic tubes to transport cheques or other documents from cashiers to the accounting office.

In 1812, George Medhurst first proposed, but never implemented, blowing passenger carriages through a tunnel.[citation needed] Precursors of pneumatic tube systems for passenger transport, the atmospheric railway (for which the tube was laid between the rails, with a piston running in it suspended from the train through a sealable slot in the top of the tube) were operated as follows

nature sounds

http://naturesoundsfor.me/