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Big Technic Top Fuel Dragster
Just a little model of granny's runabout..
About this creation
There exists a class of drag racing where the numbers are incredible..



Some facts you may not know about top fuel dragsters (thanks Wikipedia)

The engines in these run on 90% Nitromethane. This has a lower energy density than petrol but can be burnt with much less air mixed with it - if it's forced into the engine by a supercharger running at 5 bar at a rate of 100 gallons a minute the engine can produce 10,000 horsepower - until it blows up.

I'll be making an entry for an eco car competition in 'For The Love of Cars' - this isn't it...

These machines can do a standing quarter mile in less than 4.5 sec, reaching terminal speeds of more than 330mph. They'll accelerate from 0-100mph in 0.7 sec, with an accelerative force of around 6g.

The engine is a 500 cu.in. (around 8.2 litres) V8 (of course) that can be expected to complete 3 runs or so before it blows.

These dragsters are quite long - 125 studs in this case.



I'm not sure getting Granny to drive it was a good idea..



This model doesn't have my usual raft of Technic features - it has working steering and the engine you may recognise from previous MOCs - this is driven by the wheels at 9x axle speed to produce a satisfying noise when it's pushed along. The engine is also easily removable.

That motor is a V8 made using old square pistons with four chain driven camshafts whirring around and a belt driven supercharger. It's been the featured engine in the 'V8' group.



It needs all the steering lock it can get with that wheelbase..



Ready to blast off. Hold on tight, gran!




Comments

 I like it 
  December 19, 2010
Very goodlooking slingshot dragster, you did a great job on the spoiler!
 I like it 
  November 24, 2010
oufff!,this looks so good!
 I made it 
  October 16, 2010
Quoting Victor ruiz can you send the instructions for the engine at vruiz.010@gmail.com?That dragster is so cool!
Sorry Victor, instructions for it don't exist. If I ever do make some, I'll send them to you.
 I like it 
  October 15, 2010
can you send the instructions for the engine at vruiz.010@gmail.com?That dragster is so cool!
 I like it 
  October 13, 2010
Fantastic! I love the engine it looks great.
 I like it 
  October 11, 2010
Just wow! It's a thing of beauty!
 I made it 
  October 11, 2010
Quoting Tom Simon How about those back fins though? Do they want to be fully square? (I actually don't know).
Hi Tom. The rear wings on these tend to be much simpler shapes than, say, an F1 car. Some endplates even look like a single 6x8 plate ;-)
 I like it 
  October 10, 2010
v This guy really know how to comment.Anyway, excellent work as always, love the engine.
 I like it 
  October 10, 2010
Oh my, Nick! With that 9x engine speed, you're as likely to melt your engine as the real things are. But hey, that acceleration will pull back the folds of granny's face and make her look young again. For 4 sec. I never had any doubt that the V8 had big things in store for it. How about those back fins though? Do they want to be fully square? (I actually don't know).
 I like it 
  October 10, 2010
Great stuff! This is so cool. maybe next you could make a chopper bike. That would be really great!
 I made it 
  October 10, 2010
Quoting Rolands Kirpis Wouwww... That is one beast!! Wow.. that engine! Incredible work! I only don't like the front wheals, I think that real dragsters have them smaller and thiner, but maybe not. Anyways.. this is incredible!!
You're right about the wheels - those white spoked motorcycle wheels would be ideal but I don't have those..
 I like it 
  October 10, 2010
Wouwww... That is one beast!! Wow.. that engine! Incredible work! I only don't like the front wheals, I think that real dragsters have them smaller and thiner, but maybe not. Anyways.. this is incredible!!
 
By Nick Barrett
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LEGO models my own creation MOCpages toys shop Big Technic Top Fuel DragsterLarge scale vehicles


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