Good quality 100% shuffleboard table SZX-F003 for Netherlands Factory
Material MDF Pool Table Size 96″ x 24″ x 30″ 108″ x 24″ x 32″ 244 x 61 x 77cm(H) 274 x 61 x 81cm Packing 251 x 69 x 17.5cm 280 x 66 x 17.5cm
Good quality 100% shuffleboard table SZX-F003 for Netherlands Factory Detail:
MDF Pool Table
96″ x 24″ x 30″
108″ x 24″ x 32″
244 x 61 x 77cm(H)
274 x 61 x 81cm
251 x 69 x 17.5cm
280 x 66 x 17.5cm
Product detail pictures:
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Balloon Rocket Car
click to watch videoA rocket is simply a chamber filled with pressurized gas. A small opening called a nozzle allows the air to escape, causing thrust that propels the rocket. You can demonstrate this when you blow up a balloon and let it go without tying it off. The balloon will fly through the air as all the air inside escapes.
Watch our video to see a balloon rocket in action!
Sir Isaac Newton laid the foundation for the modern science of rocketry near the end of the 17th century. Newton’s Laws of Motion are essential to rocket flight. Here are two of them:
‘Objects at rest will stay at rest and objects in motion will stay in motion in a straight line unless acted upon by an unbalanced force.’ In other words, the forces pushing a rocket up must be stronger than the force of gravity pulling it down.
‘For every action there is always an opposite and equal reaction.’ When an action takes place, like gases escaping from the rocket, a reaction follows – the rocket rises in the air.
The principles of rocketry apply to more than flying rockets – with this project you can make a ‘rocket car’ that is powered by pressurized gas (air in a balloon!). Adult supervision recommended.
What You Need:
16-20 oz. plastic water bottle
Wooden shish-kabob skewers
4 plastic bottle caps
Duct tape or masking tape
Nail, hammer, knife, scissors
What You Do:
The water bottle forms the chassis, or body, of your balloon car. You can start by mounting the wheels on this body.
Stretch out a large balloon by blowing it up and then letting the air out of it a few times. Next, make a nozzle. The size of the nozzle is very important. If it is too small, the air can’t escape with enough force to propel the car forward. If it is too big, the air will escape too fast and the car won’t go very far. Create the nozzle by taping four drinking straws together. Insert the straws into the mouth of the balloon and seal the opening by wrapping a strip of duct tape around it several times.
To mount the balloon/nozzle on the car, use a knife to cut two perpendicular slits (to make an X) in the top of the car about 4′ back from the mouth of the bottle, as shown in the illustration. Thread the nozzle through this opening and out through the mouth of the bottle. Leave about an inch of the nozzle sticking out of the mouth.
Find a hard surface, like a long table, linoleum floor, or sidewalk. Blow up the balloon through the straws at the mouth of the bottle. Pinch the base of the balloon to prevent the air from escaping too soon. Set the car down, let go of the balloon, and watch it go!
By Jessie 2015-10-13 13:50
The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
By Albert 2016-10-10 14:42