Subject:
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Building a supercar
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Newsgroups:
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lugnet.technic
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Date:
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Tue, 6 Jan 2004 21:49:42 GMT
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Viewed:
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1193 times
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Hi everyone!
I like to show you the project I’m currently working on. The creation of a
supercar, not to look like a real car, but to function like a real car. Meaning
to have a power plant with a gearbox etc.
I have to say I’m sorry not having a digital camera so all I can show are
rendered drawing of MlCad files.
First! The engine:
This is the MkIII of the 2 cylinder engine I designed. It uses the old style
cylinder (having less friction). I saw a similar engine using the small ones,
but I think this one is stronger due to the bigger pressure area.
The MkIV I use at the moment is a little different, the pneumatic switch is at
top in stead of the front, so the’re is a crankshaft all the way (I still need
to draw it in MlCad, but those hoses are so damn hard to draw :( )
Second! The gearbox:
This is a compact gearbox giving 2 forward and 1 revers speeds. The aspect
ratio’s are (engine rpm : outgoing shaft )
first gear : 4.98 : 1
second gear: 1.66 : 1
reverse : 2.75 : 1
With a differential ratio of 2.33 : 1 (The old style differential) giving a
total ratio of: (engine : wheel)
1 : 11.60 : 1
2 : 3.86 : 1
R : 6.40 : 1
The next picture showing an inside view:
Note that the first gear on the green shaft is missing. This is because I made
it myself (cutting off the 24 tooth clutch gear of a new style differential).
And it works great !
The red axl is the prise-axl, green the out-going and blue reverse.
Here is the mpd file if you are interested:
Gearbox MPD file
Currently I’m working on the clutch, at the moment it is still bulky, but I’ll
figure that out.
I hope I’ll have some time to draw all the other parts (front axle, chassis etc)
in MlCad so I can show it to you.
In the meantime... wishing happy lego times !
Marc.
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Message has 1 Reply:
 | | Re: Building a supercar
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| hi marc about clutches... and other stuff look here (URL) you can use some of my designs br pixel "OilMonkey" <marcschets@hotmail.com> wrote in message news:Hr38Mu.BtE@lugnet.com... (...) (20 years ago, 7-Jan-04, to lugnet.technic)
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