solar system model brass orrery
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This is a very HIGH quality, antique style, power driven, mechanical orrery (solar system model).It is NEW in the box, coming already assembled and READY TO RUN. The planets in the model are complete and includes the celestial bodies of CERES and ERIS as well as PLUTO. Ceres was the first Asteroid found by mankind. Eris is the latest Asteroid found in 2005. Pluto was expelled from the family of planets in 2006, because of it's small size. Buy this orrery--the best gift and collection for astronomy enthusiasts!

With a very old style, this orrery has been used in teaching since the 18th century. It can vividly show the solar system we live in. Smartly designed and perfectly manufactured, the gear ratios are precisely calculated to match the real timing of the movements of real planets. The relative speeds of planets, distances, appearances, etc. are precisely like those of the real solar system. All you need to do is take it out of the box and stick on the 3 foot pads and the planet globes, which is very easy to finish. This orrery will be the best thing you have ever bought.

The model features repeating sets of large and small gears. The gear ratios are meticulously calculated so they match the movements of the real planets as they move through the sky. This orrery has a variable speed setting and even a safety clutch. Whatever speed you choose to run your model, each set of precision gears steps down the speed of the next planet's rotation, accordingly. It is fascinating to watch and highly educational.

Every component of this orrery has been precisely engineered and made of brass or silver-plated steel. Finely polished to a gleaming finish and lacquered to keep them looking like new, the pieces are of exceptional quality and fit together perfectly.

It is also with a traditional 12 month calendar and zodiac signs incorporated into the base. The zodiac symbols are on a brass ring on the base.

The model's motor is powered by a 6V DC power adapter. It has a speed control knob on the base.

Some of other great features of this orrery:
(1)The Earth revolution takes about 42 seconds. You can calculate revolution periods of other plants, since the speed ratios of the planets are set according to that of real planets.
(2)The sun and the earth rotate around their own axis just as that in real life.
(3)Planetary bodies: Sun, Mercury, Venus, Earth (with moon), Mars (with moon), Ceres, Jupiter (with moons), Saturn (with moons), Uranus (with moon), Neptune (with moon), Pluto, Eris. Terrestrial Planets, Asteroid Belt, Gas Giant Planet and Ice Dwarfs.
(4)There are also many other great features. Please feel free to ask about any details you would like to know.

Size: WIDTH: 330mm/13"(in the initial position), HEIGHT: 330mm/13", WEIGHT: 3.7kg/8.2 pounds.

Material: mainly made from brass

Q:What's the speed of the planets?
A: the revolution period of the earth is about 42 seconds, and you can calculate periods of other planets, since the speed ratios of the planets are set according to that in real life. In fact, there is a small speed controller at the bottom for you to regulate the speed.

Q:Is the speed of the earth as the real or is faster?
A: The angular speed is faster than real, because you’ll not see it moving if it’s the same as real.

Q: Are the orbits of the planets circular or oval?
A: Circular. Althought they are oval in real life, it is not easy to realize that in a mechanical model. Moreover, according to my knowledge, no previous orreries has realized that. But we may consider that in the future.

Q:I want to buy this orrery, will it get broken during transportation?
A: Normally that doesn’t happen. We have delivered many pieces of this assemblied orrery during past six years. We package them in customized boxes with poly velvet.

Q:Can you supply a replacement part of this orrery if any part is broken?
A:If it get broken during transportation(normally this won't happen), we can supply replacement parts for free, and ship the parts through standard international post. We will not supply replacement parts for free if you break it yourself. Please note that it's possible that we lack the part you need in a period of time, in this case, I'm afraid you have to wait for some days before we supplement it. Anyway, we will try our best to satisfy your requirement.

Q: Is it possible to send the orrery to Italy, Rome?
A:We can ship this orrery to anywhere. If we found that there is no express company can ship it to your place, we will inform you and return your money.

Q: Hi, is this a motorized system? If so, does it work with batteries or mains?
A: Yes,it's a motorized system. There's a motor in the base. The motor is driven by a 6v DC adapter, which can be plugged into a home socket. The adapter is shipped along with the orrery.

We'll ship the orrery to the delivery address that paypal asks you to fill in when you finish your payment.

For USA buyers, handing time is 1 day, shipping time is usually 4 to 7 days. For buyers living in remote areas, that may take 1 to 2 more days. The orrery will be shipped by Fedex or UPS.

For buyers in other countries, handing time is 1 to 2 days after your purchase. Usually we ship it by Fedex, DHL or AUX, shipping time is about 8 to 12 days. So you will receive it in 9 to 14 days after your purchase.

The Orrery will be carefully and securely packed in a double box for safe shipping.