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Making the Sijiao Pao (4 footed Catapult) Heavy Chinese Traction Catapult Rate Topic: -----

#1 User is offline   Liang Jieming 

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Posted 27 September 2005 - 03:50 AM

Ok, I have to start this eventually I suppose. I'll update this thread again like I did with the other models, uploading first the exploded view sketch, and then the progress photos until completion.

Exploded view.
Posted Image

This post has been edited by Liang Jieming: 04 October 2005 - 10:55 PM

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#2 User is offline   HaSY 

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Posted 27 September 2005 - 08:45 AM

So,Liang...
Do you have any interesting info about the real Sijiao Pao?
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suffering'' -Yoda

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#3 User is offline   BlueDragonMagik 

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Posted 27 September 2005 - 12:29 PM

View PostLiang Jieming, on Sep 27 2005, 01:50 AM, said:

Ok, I have to start this eventually I suppose. I'll update this thread again like I did with the other models, uploading first the exploded view sketch, and then the progress photos until completion.


Wow. ... The construction of a catapult sound so cool ...

Oh yeah ... You got an interesting picture of that chick in black outfit. ... Is that your latest girl friend? ... :haha:
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#4 User is offline   Liang Jieming 

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Posted 27 September 2005 - 08:59 PM

Yes, info on the Sijiao pao is on my e-book site though the article is not quite finished yet though.

Is that my latest gf? YOU HAVE GOT TO BE KIDDING! MY GF KICKS HER *** EASILY!
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#5 User is offline   TMPikachu 

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Posted 27 September 2005 - 10:12 PM

View PostLiang Jieming, on Sep 27 2005, 08:59 PM, said:

Yes, info on the Sijiao pao is on my e-book site though the article is not quite finished yet though.

Is that my latest gf? YOU HAVE GOT TO BE KIDDING! MY GF KICKS HER *** EASILY!

Damnit, there has to be some kind of funny comment I can make about a 4 footed catapault, and the lady on a 4foot chair-thing.
"the way has more than one name, and wise men have more than one method. Knowledge is such that it may suit all countries, so that all creatures may be saved..."
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#6 User is offline   Liang Jieming 

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Posted 27 September 2005 - 10:21 PM

Zhangif not too bright huh? :lol: :lol: :lol:
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#7 User is offline   Sawa 

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Posted 28 September 2005 - 12:09 AM

I think Liang needs a big bucket of water :P

Pikachu - change to Sagat dude..
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#8 User is offline   HaSY 

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Posted 28 September 2005 - 05:11 AM

Sagat look like a Thai to me...
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#9 User is offline   Liang Jieming 

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Posted 23 November 2005 - 10:51 PM

Here it goes before someone throws a fit and starts acting strange. :P

Posted Image
24th November 2005 - Bought some long pieces for the 4 main legs. This should be a fairly large treb if I'm to keep to the same scale as before. Will make this treb with two different throw arms to get both traction and hcw versions.

Posted Image
30th November 2005 - Got around to chopping them up into tiny bits and pieces finally. The problem I'm facing with this catapult is that it's traditionally a large catapult but it's absent of cross-bracing. The real SiJiao catapults had their legs buried into the ground. I obviously can't do that with my model, and if I just simply cut and joined pieces together it won't last very long so I need to socket joints. Took awhile to get the dimensions right.

Posted Image
1st December 2005 - This is the most tedious part. Spent about a hour cutting and sawing out all the sockets and slots.

Posted Image
2nd December 2005 - Assembly of the two main frames and machining of secondary members.

Posted Image
3rd December 2005 - The frame is almost complete. Will need to start on the throw arm next.

Posted Image
5th December 2005 - Pivot completed.

Posted Image
6th December 2005 - Throw Arm (Traction Version) -7 Bamboo rods tied together

Posted Image
12th December 2005 - Throw Arm (Hinged Counterweight Version) -7 Bamboo rods tied together

Posted Image
13th December 2005 - Counterweight bucket

This post has been edited by Liang Jieming: 13 December 2005 - 09:04 PM

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#10 User is offline   urofpersia 

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Posted 23 November 2005 - 11:26 PM

View PostLiang Jieming, on Nov 24 2005, 11:51 AM, said:

24th November 2005 - Bought some long pieces for the 4 main legs. This should be a fairly large treb if I'm to keep to the same scale as before. Will make this treb with two different throw arms to get both traction and hcw versions.


Cool, make it journal style and we can follow your trials and tribulations.
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#11 User is offline   athena 

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Posted 24 November 2005 - 08:28 PM

Cool! :lol: :lol:
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#12 User is offline   Liang Jieming 

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Posted 01 December 2005 - 09:50 PM

Almost got all the parts done. Should be able to start slapping things together soon.
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#13 User is offline   Liang Jieming 

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Posted 06 December 2005 - 09:53 PM

Traction version of the throw arm completed except for the sling. Will build another alternative throw arm, with the theoretical hinged counterweight.
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ISBN 981-05-5380-3

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#14 User is offline   Liang Jieming 

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Posted 12 December 2005 - 09:07 PM

Posted Image
Posted Image
12th December 2005 - Completed Traction Version of the SiJiao Pao

Next up, hinged counterweight version!
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#15 User is offline   Liang Jieming 

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Posted 14 December 2005 - 10:53 PM

Posted Image
Posted Image
14th December 2005 - Completed Counterweight Version of the SiJiao Pao

Done!

SiJiao Pao "Four Footed Catapult" ca. A.D. 9th-13th century : Completed 14th December 2005.
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