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Author Topic: Self Build Orrery  (Read 20345 times)
Alexander Edmund Clough
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« Reply #225 on: May 31, 2008, 04:27:06 pm »

(late reply to the photos of it finished) OH MY GOD. That is utterly beautiful!  Grin *WILD APPLAUSE*

Lathe - How about the Unimat Classic? £199 for a small but functional kit of bits that go together as a lathe, mill, drill press etc.
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Mechanism Man
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« Reply #226 on: May 31, 2008, 04:32:39 pm »

Ah ha! I can go one better and tell you that I am the proud owner of a unimat technical set - unfortunately, the one thing that it won't do is screw threads. Curse my innability to read simple specs before parting with my hard eaned cash! Other than that it is a clever machine, but in truth I've hardly used it in the 4 yeas that I've had it, the scale of work it will handle is just too small. But a good thought though, all the same, thanks.
Another item to sell on E-bay I think.
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Alexander Edmund Clough
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« Reply #227 on: June 01, 2008, 07:42:10 pm »

Ah ha! I can go one better and tell you that I am the proud owner of a unimat technical set - unfortunately, the one thing that it won't do is screw threads. Curse my innability to read simple specs before parting with my hard eaned cash! Other than that it is a clever machine, but in truth I've hardly used it in the 4 yeas that I've had it, the scale of work it will handle is just too small. But a good thought though, all the same, thanks.
Another item to sell on E-bay I think.

OOOH. If you decide to ebay it, do let me know before hand would you old chap? I'm sorely tempted...
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Zthroo
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« Reply #228 on: June 11, 2008, 12:14:35 am »

 Shocked
I just joined this site, and am flabbergasted and inspired.
*bows deeply*
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Apparatus intemporaliter verto
RyRy
Guest
« Reply #229 on: June 11, 2008, 01:33:11 pm »

Thankyou! Yes, the planets are all hand painted wooden balls bought from a craftshop - you can buy them in different sizes, so are perfect for this application.
This whole project is grand, and it seems to get more breathtaking every time you update!
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James Harrison
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« Reply #230 on: June 11, 2008, 06:32:34 pm »

My word.  That is beautiful
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Persons intending to travel by open carriage should select a seat with their backs to the engine, by which means they will avoid the ashes emitted therefrom, that in travelling generally, but particularly through the tunnels, prove a great annoyance; the carriage farthest from the engine will in consequence be found the most desirable.
terobi
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« Reply #231 on: June 11, 2008, 06:37:03 pm »

That is amazing!
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Mechanism Man
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« Reply #232 on: June 11, 2008, 10:53:12 pm »

Thankyou!
Well it's now finished, big cheesy grin, and is up for sale on E-Bay:

http://cgi.ebay.co.uk/Wooden-Orrery-of-the-First-Six-Planets_W0QQitemZ180252585404QQihZ008QQcategoryZ414QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Having a few problems with E-Bay though, for some reason it's not saved my postal options - it should be available all over the world, but it's come up as only available and visible on E-Bay in the U.K., and as a local pick up only. It won't let me adjust the postal settings for the listing, I can't even contact E-Bay for them to sort it. It seems that E-Bay has broken down!! But why does it choose to break down when I need it!
Oh blinkin flip.
Hope you like it anyway. I'm really pleased with how it's turned out, just hope that somebody out there likes it enough to part with their hard earned cash!
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Alastair Smythe
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« Reply #233 on: June 11, 2008, 11:31:20 pm »

So will you ship worldwide, or just to the UK?
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Sir Newton Bridges
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« Reply #234 on: June 12, 2008, 12:15:02 am »

right now on ebay its 41 euros, so using the rough guide of doubling the price, should i assume its $80 dollars?

oh, and does anyone know of a website price-converter thing? there are so many people outside of the us that i really could benefit from that
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i am living in mine zyrian fantasty
von Corax
Immortal
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Leverkusen Institute of Paleocybernetics


« Reply #235 on: June 12, 2008, 12:43:02 am »

right now on ebay its 41 euros, so using the rough guide of doubling the price, should i assume its $80 dollars?


According to the Unit Converter widget, that's $65 Canadian, or $64 US, at this evening's rates.

oh, and does anyone know of a website price-converter thing? there are so many people outside of the us that i really could benefit from that


If you have a Mac, use the Unit Converter widget. If you don't have a Mac, the Unit Converter widget gets its exchange rates from Yahoo! Finance.
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Mechanism Man
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« Reply #236 on: June 12, 2008, 07:02:36 am »

So will you ship worldwide, or just to the UK?

Yes! E-Bay seems to have ignored all my postal settings, and now won't let me edit them. But yes, I will ship anywhere in the world.
Hopefully, E-Bay can fix this to make it visible to users other than just those in the U.K.
Hey ho, you live and learn.
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rogue_designer
Zeppelin Overlord
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clockwork gypsy


« Reply #237 on: June 12, 2008, 07:06:49 am »

regular ebay item link (not just ebay.uk)
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName&item=180252585404
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Maximum Humphries
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« Reply #238 on: June 12, 2008, 07:09:02 am »

...an excellent piece of work, kudos...

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"Ever forward, my darling wind..."
PKM
Snr. Officer
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Oneironaut, Clacker, Maker and Fanboy


« Reply #239 on: June 12, 2008, 01:36:55 pm »

Quote from: Sir Newton Bridges
oh, and does anyone know of a website price-converter thing? there are so many people outside of the us that i really could benefit from that


Ahem...

Results of a Google search for "41 euros in US dollars"

"41 Euros = 63.2384 U.S. dollars
        Rates provided for information only - see disclaimer. More about currency conversion."

I'm tempted to go one better than the usual cliche and say Google is better than sliced bread- you can't do instantaneous currency conversions with a breadknife! Smiley  Sliced bread isn't all that, to be honest.

Note that this trick will work in all sorts of units, as well- see one gallon in teaspoons and one nautical mile in furlongs.  It doesn't understand stadia or bushels, but it's pretty good nonetheless.
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Rowan of Rin
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« Reply #240 on: June 12, 2008, 02:27:24 pm »

There is literally a tear of joy in my eye as I behold the finished product of this epic journey. No detail has been left untouched, from the overall finish to the hand painted planets. I am absolutely inspired.
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Mechanism Man
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« Reply #241 on: June 18, 2008, 12:01:05 pm »

Thanks Rowan, very kind of you to say so.
Here's a film of it all done and working, hope you like it:



 Smiley
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Torvald_Faust
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« Reply #242 on: June 18, 2008, 12:17:24 pm »

Why you'd sell such a beauty is beyond me...But, well, it truly looks great Grin
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Stella Gaslight
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« Reply #243 on: June 18, 2008, 11:56:04 pm »

Oooh I could watch that forever.  I would never be able to stop playing with it.
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PKM
Snr. Officer
****
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Oneironaut, Clacker, Maker and Fanboy


« Reply #244 on: June 19, 2008, 12:59:41 pm »

That video is entrancing- it's a lot smoother than I thought it was going to be, and the top gear spinning so fast is hypnotic.  Do you know why the spinning of the earth is so "stop-start"?  I guess I'm at risk of having to hand in my steampunk membership card (or possibly Federated Cantons Passport) for this but I'd be sorely tempted to motorise it and leave it slowly rotating all the time.  Maybe it could be coupled to a clock movement and run in real-time Smiley
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rogue_designer
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clockwork gypsy


« Reply #245 on: June 19, 2008, 01:48:52 pm »

Do you know why the spinning of the earth is so "stop-start"?  ... for this but I'd be sorely tempted to motorise it and leave it slowly rotating all the time.  Maybe it could be coupled to a clock movement and run in real-time Smiley

the stop start is an optical illusion having to do with the relative speed in relation to the framerate of the video camera. The same thing will happen with airplane and helicopter propellers which will appear to change direction, or stop entirely when filmed.

In reality - the earth rotates the whole time - and in fact completes 364 full rotations for each full orbit of the sun.
« Last Edit: June 19, 2008, 02:08:26 pm by rogue_designer » Logged
Mechanism Man
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« Reply #246 on: June 19, 2008, 02:04:28 pm »

  Do you know why the spinning of the earth is so "stop-start"?   Smiley

the stop start is an optical illusion having to do with the relative speed in relation to the framerate of the video camera. The same thing will happen with airplane and helicopter propellers which will appear to change direction, or stop entirely when filmed.

In reality - the earth rotates the whole time - and in fact completes 364 full rotations for each full orbit of the sun.

Thanks for that Rogue D,
You explained that a whole heap better than I ever could! Yes indeed, it's down to a rubbish video camera I'm afraid, but the world really does spin poperly the whole time - at about 800rpm in fact at normal handle turning speeds! Only just worked that out... wow.
I shall try to get a close up and slowed down film produced of the Earth before it goes to it's new home, but Mark II is now taking shape..
 Wink
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Rowan of Rin
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« Reply #247 on: June 19, 2008, 04:10:35 pm »

Mark II?! *Faints*
I think you should give yourself a challenge, and model the Milky Way Smiley

MM, do you have any mechanical engineering experience? Because the apparent ease with which you built this is astounding. If I were to attempt to make something like this, the sun would be spinning round the moon, which would be moving vertically around Pluto (which doesn't even deserve to be in the orrery Cheesy). How did you get the gearing worked out?!
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PKM
Snr. Officer
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Oneironaut, Clacker, Maker and Fanboy


« Reply #248 on: June 19, 2008, 05:48:07 pm »

Quote
the stop start is an optical illusion having to do with the relative speed in relation to the framerate of the video camera
*forehead smack*

OK, that makes perfect sense.

...

Mark II?!
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Stargate525
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United States United States


« Reply #249 on: June 21, 2008, 05:56:14 pm »

A Mark II? All the planets? The local galaxy?

*faints*
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