what can i use to make a spring powered cannon?
i have to make a spring powered cannon that will launch a golf ball for my history class. i need ideas for the spring mechanism, specifically how to contract, lock, then launch the golf ball
see the web page below.
http://www.instructables.com/id/How-to-Make-A-Small-Spring-Cannon/
|
|
GOLF PRINTS AND GOLF BALL HISTORY DISPLAY $100.00 |
|
|
Golf Shadow Boxes – 100 yrs of Club 1840-1940 & Ball 1830-1930 History $50.00 |
|
|
Golf Ball Print, History Golf Ball Mounted and Framed $49.50 |
|
|
History of Golf Ball Plaque Shadowbox Robert Huff $28.00 |
|
|
History of Golf Balls Pen Holder Golfers Desk Set $36.99 |
|
|
1974 Vintage pro GOLF 5 Magazine Club Bag BALLS History $19.99 |
|
|
Clubhouse Collection History of Golf Ball Frame NIB $6.49 |
|
|
LOGO GOLF BAL-THE HISTORY CHANNEL/A&E NETWORK.2LOGOSON1 $5.99 |
|
|
(1) OKLAHOMA HISTORY CENTER LOGO GOLF BALL $1.99 |
|
|
Clubhouse Collection History of Golf Ball Frame NIB $9.99 |
|
|
1St Golf International Photo Mugs The first international golf match – England v Scotland at Hoylake Robert Maxwell is about to drive for Scotland, while John Ball junior (England) is nearest left…. |
|
|
Bandy-Ball Or Golf? Photo Mugs Two men play a game of bandy- ball, a primitive form of golf. …. |
|
|
Chilean Golf el Sueca Photo Mugs A native of Chile prepares to smite his ball during a game of el sueca, an early form of golf. …. |
|
|
The Royal and Ancient and Highly Respected [VHS] … |
|
|
Tiger Woods PGA Tour 10 $8.97 Feel the drama of playing professional tournament golf like never before with Tiger Woods PGA Tour 10. For the first time in the history of Electronic Arts’ much lauded golf simulation franchise, players can take aim at capturing the US Open Championship on the ever-challenging Bethpage Black. .caption { font-family: Verdana, Helvetica neue, Arial, serif; font-size: 10px; font-weight: bold;… |
|
|
Links LS 1.0 $49.99 Microsoft Links is now available for Macintosh. Three world-class golf courses have been stunningly and accurately re-created for desktop play. Along with Arnold Palmer’s home course, Latrobe Country Club, Links LS for the Macintosh features two new Hawaiian courses: Kapalua Plantation and Village, giving the player 54 challenging and beautiful championship holes to play. In addition to the cours… |
|
|
British Open Golf (Jewel Case) $3.90 … |
|
|
PC Gamer Editor’s Choice 5-Pack Collection $18.50 Five of Sierra’s Editors’ Choice award-winning games. Front Page Sports: Golf The Coeur D’Alene Course — TrueSwing is the thing that sets Front Page Sports: Golf apart from the competition. On-screen golfer is fully 3-D and mimics your every move as you swing. 12 types of play, including skins, four-ball, scramble, and Ryder Cup. Internet multi-player support. You Don’t Know Jack — Trivia with… |
|
|
The Longest Shot: Jack Fleck, Ben Hogan, and Pro Golf’s Greatest Upset at the 1955 U.S. Open $13.00 The inspirational story of the unknown golfer from Iowa who beat his idol in the 1955 U.S. Open With the overlooked Jack Fleck still playing the course, NBC-TV proclaimed that the legendary Ben Hogan had won his record fifth U.S. Open and signed off from San Francisco. Undaunted, the forgotten Iowan rallied to overcome a nine-shot deficit over the last three roundsâstill a U.S…. |
|
|
The Masters: Golf, Money, and Power in Augusta, Georgia $15.95 Curt Sampson follows his exceptional biography of Ben Hogan with another sweeping exploration of one of golf’s icier hearts: Augusta National and the powers behind the Masters. A combination of history, sociology, and good old sports writing, The Masters counterpoints a rich, white institution with the town surrounding it that is anything but. Ultimately, the book tells the story of a sin… |
