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Caterham Seven
Caterham Seven. All functions motorized. Sequential gearbox, brakes and much more
About this creation
I am here again with a all-new car. It was showed at first time in the past MADbrick event.(May 1-5th)

The Caterhan Seven (also called Caterham 7) is the present version of the original Lotus Seven (or Lotus 7) designed by Colin Champan in 1957.







This car is very famous because it is extremly ligth, and it has outstanding dinamic specs, which make this car perfect for its use in competition and track days.

The original:







This creation is made in scale 1:7. Thus remains in 29 studs wide, 56 of length and 20 fo high(23x45x16cm).
The weigth is 2.2kgs.
It has around 2500 parts.




As all my MOCs, this includes some remote controlled functions:
- Steering (PF M motor)
- Drive (PF 2XL motors)
- Sequential 5+R speeds gearbox (PF Servo motor)
- Disc brakes (PF M motor)




This car arrives with a 5+R speeds version of the all-new 3th generation of my sequential gearboxes. The new generation is even more compact and reliable. Of course it has auto.clutch





The speeds ratio:

R - 2.08:1
1 -  1.67:1
2 -  1.25:1
3 -  1:1
4 -  1:1.33
5 -  1:1.67


It has a gear indicator in the cabin.





Just behind the seats, over the rear axle are the battery and the drive motors (2XL)




The Seven design is based in a tubular unibody frame with double wishbone front independent suspension and DeDion rear live axle.

The front axle is double wishbone type with caster angle, camber angle and ackerman steering.




The original Lotus 7 had a typical rear live axle, and the newest and powerfull version has independent suspension , but the most common rear axle is the DeDion axle. Like the real one, this creation has rear 3-links DeDion axle(you can see it in more detail in the video)

The "most wanted" picture.




This creationa also has working brakes in all wheels(the same brakes used in my Land-Rover)







Like the real Seven, this creation mantains the unibody frame. Also to reduce the weigth, the frame and the bodywork are the same thing. The yellow liftarms in both sides of the car are the bodywork, but at the same time are the frame of the car.

You can remove in 2 minutes the bonnet, the drive train and the brakes lever, and then you will get this:





This picture shows how the structure is made






As always a little video:



For more information please visit sheepo.es

I hope you like it!!



Comments

  April 17, 2014
Now that I've looked at the Mini's mechanism, I don't know that it'll work after all. I'll just use the mechanism from the 1-gen gearbox, because I have to separate the gears by some amount, thanks for the advice though :)EDIT: I just looked again and now see how it works, and I think it is perfect!
 I like it 
  January 12, 2014
Dude! Great job, I love all the epic details :D How did you connect the steering through that long engine compartment and such?
Sheepo's Garage
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Xavier Villalonga
  January 8, 2014
Can you put the building instructions?
 I made it 
  January 8, 2014
Quoting Xavier Villalonga Can you put the building instructions?
No, I can't. There are no instructions
 I made it 
  November 19, 2013
Quoting Timothy Dillman How fast does it go?
It is around 4 kph(2.5 mph)
 I like it 
  November 19, 2013
How fast does it go?
 I like it 
  November 15, 2013
Its mostly that I am unsure of how you actuate them in the live axle suspension, what with the rotation of the axle in relation to the brake shafts.
 I made it 
  November 14, 2013
Quoting Timothy Dillman Also, I was wondering, how did you do the brakes in the rear?
The brakes are similar to all my lastest mocs, like the Mustang, the Land-Rover and even the Porsche.
 I made it 
  November 14, 2013
Quoting Timothy Dillman I was wondering if you might be able to make instructions for the front suspension, and maybe also the gear-box?
I want to make instructions for this car, but now I don't have enough time...
 I like it 
  November 12, 2013
Also, I was wondering, how did you do the brakes in the rear?
 I like it 
  November 12, 2013
I was wondering if you might be able to make instructions for the front suspension, and maybe also the gear-box?
 I like it 
  October 29, 2013
you are a legend. when's your gt500 going to be on the MOCpages?
Sheepo's Garage
 I like it 
Charlie A
  October 11, 2013
Hey Sheepo. You should get a job at LEGOŽ in the Technic department. I would definitely buy this set if it were for sale. Great work! :)
 I like it 
  June 17, 2013
ravishingly beautiful!
 I like it 
  June 11, 2013
Wow, that's amazing! So many functions and so few space for all of them. The shaping is excellent, too, and I love the amount of details you managed to put into this model. The "7" is my favourite detail. Great job! :-) P.S.: Even better than a blogpost - You made it onto the website of Germanys most famous car magazine "auto motor und sport": http://www.auto-motor-und-sport.de/news/auto-modelle-aus-lego-dem-ingenioer-ist-nichts-zu-schwoer-7176849.html Congratulations! :-))
 I made it 
  May 31, 2013
Quoting Timothy Dillman Got any suggestions for a sequencial mechanism I might be able to use? because I have an idea as to how to get the ratios I said before.
I think you should try to use the Mini's gearbox sequential mechanism. The Land-Rover ones is based in that version.
 I like it 
  May 30, 2013
Got any suggestions for a sequencial mechanism I might be able to use? because I have an idea as to how to get the ratios I said before.
 I made it 
  May 28, 2013
Quoting Timothy Dillman How different are the 3 generations of sequential gearboxes, are the changes structural, or just in the gear ratios?
The gear ratios doesn't mutter in the gearbox generations, only the sequential mechanism.
 I made it 
  May 28, 2013
Quoting Timothy Dillman I have a couple more questions. How do you get some of the rocker levers to move at the same time? and second, I need some advice on how to get these ratios: 3:1, 2:1, 1.5:1, 1.25:1, and last 1:1 thats going up from first(of course),and I don't know the ratio for reverse. Can you please help me?
I can help you with it, because with Lego gears is very difficult create a correct gear ratios.
  May 28, 2013
How different are the 3 generations of sequential gearboxes, are the changes structural, or just in the gear ratios?
  May 28, 2013
Scratch that first one, I watched the video above, and saw how, Thanks for posting those videos :)
  May 27, 2013
I have a couple more questions. How do you get some of the rocker levers to move at the same time? and second, I need some advice on how to get these ratios: 3:1, 2:1, 1.5:1, 1.25:1, and last 1:1 thats going up from first(of course),and I don't know the ratio for reverse. Can you please help me?
 I made it 
  May 26, 2013
Quoting Timothy Dillman I was wondering, how do you get these gear ratios, as I am building a Ferrari 250 gto, and I don't think the 1-gen gearbox will work well, do you have any suggestions?
That gear ratios are very common, you need to use some 20t gears. Search in brickshelf.
 I made it 
  May 26, 2013
Quoting Timothy Dillman Does it use the same basic auto-clutch as your Defender?
Yes
 I like it 
  May 25, 2013
I was wondering, how do you get these gear ratios, as I am building a Ferrari 250 gto, and I don't think the 1-gen gearbox will work well, do you have any suggestions?
 I like it 
  May 25, 2013
Does it use the same basic auto-clutch as your Defender?
 I made it 
  May 24, 2013
Quoting Timothy Dillman Quick question, does the gearbox have a neutral position?
No, but it has clutch, so you can keep the clutch disconnected.
 I like it 
  May 23, 2013
Quick question, does the gearbox have a neutral position?
 I like it 
  May 23, 2013
If you have time, do you think you could post some pictures of the gearbox please?
 I like it 
  May 22, 2013
There is so far the best model of you, my greatest interest is the engine and the transmission. Find exactly the photos you can make the gear maybe.
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  May 19, 2013
Gifted does not even come close to decribing how good you are Sheepo, thank you for another fantastic creation ;|
 I like it 
  May 19, 2013
I like it...hope the gearbox works beter...
 I like it 
  May 19, 2013
I can't believe that it's made of LEGO. Very very nice!
 I like it 
  May 19, 2013
I can not believe that it's made of LEGO. Very very nice!
 I like it 
  May 19, 2013
Wow.
 I like it 
  May 18, 2013
WOW!
 I like it 
  May 18, 2013
Great lookin' rig!
 I like it 
  May 18, 2013
This is absolutely incredible! Great work!
 I made it 
  May 18, 2013
Quoting Nathaniel Vendt Wow. Very well done. The only thing I'm wondering about is why there isn't more of a difference between gear ratios. Just not enough power in both those XLs? Anyways, I've always loved that car's style and you did very well at recreating it.
Hi, actually the difference between gears are very closely to the real one, they look so similar here because in Lego you don't have accelerator and in fifth gear it doesn't have enougth power to run at motors top rpm.
 I like it 
  May 18, 2013
Master build mate, one of the very best. I'm really keen to get the plans for your sequential gearbox if you'd share them? Check out my MOCs - I'm about to finish my Aston Martin and my next will be fully motorised and remote controlled. I'll check out your website too.
 I like it 
  May 18, 2013
Wow, that's an amazing build. Well Done!!
 I like it 
  May 18, 2013
Your technical work is mind-blowingly perfect, but it's always the small details that complete something like this for me. In this case, it's the "7" on the grille. We could not ask for a more perfect MOC than this one.
 I like it 
  May 18, 2013
Brilliant! Incredibly life-like, especially with the outdoor setting of the photos. I like how easily the engine removes to become a MOC in its own right. It's the sort of car that I should have bought when I hit middle-age, instead of all of that Lego from Bricklink!
 I like it 
  May 18, 2013
Looks really nice!5/5
 I like it 
  May 18, 2013
Very splendid indeed. Super functions, and all of it looks great!
 I like it 
  May 18, 2013
Awesome! now i want to build a system one ;) I saw this many places earlier, and i really like this one, i also love how the wheel arches turn with the wheels, and the fact that the whole thing is covered! something very rare for technic models, but it really improves the way it looks! :D
 I like it 
  May 18, 2013
There's no one better at this - awesome work.
 I like it 
  May 18, 2013
Wow. Very well done. The only thing I'm wondering about is why there isn't more of a difference between gear ratios. Just not enough power in both those XLs? Anyways, I've always loved that car's style and you did very well at recreating it.
 I like it 
  May 18, 2013
Good to see this on MOCpages (as it's everywhere else on the internet right now!) - as always, the BEST Technic engineering of anyone and perfect looks too. A perfect MOC. 10/10
 I like it 
  May 18, 2013
Wow, that's really awesome!
 
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