Monday 23 November 2015

Shop Front: Week 2

 I came up with an idea for the environment. 


I still need to try it out though and test it.



Using the above ref I began modelling the engine. Although the engine is going to be exaggerated in its proportions I was determined to make shore that it made sense. So I’ve been doing research into what various parts of a car actually do and there for where they should sit, and what they need to be connected to. Looking at the above ref you can see that the most important forms are caused by turbos and how the exhaust is connected to them. A large scoop and or general air intake on the top of the engine would be a super charger blower. As this is an exaggerated engine I decided to include both of these forced induction techniques, as well as a twin turbo set up as this would require twice the manifolds etc., generally adding more complexity to the engine.

So the exhaust manifold (the four tubes exiting the engine on both sides of the V8 I have modelled), have to make their way to a Turbo (A turbine that the exhaust gas spins) the exhaust gas is then normally simply exhausted. This first turbine is connected to and there for also spins a second turbine that draws in air through an air filter. This second turbine will only release it’s sucked in air once it has reached a certain amount of pressure ( PSI, Boost). This air will be heated by the turbo due to the heat caused by the exhaust gasses running through the nearby other turbine. So this now hot fresh air will need to pass through an intercooler (the large box at the front of the engine) which will cool this air down. Cool air is allot more predictable (is less likely to prematurely combust), is allot denser so has more oxygen and will have a greater difference in expansion when ignited than already hot air. This now cool pressurised air will now enter the engine through the intake manifolds at the top of the engine. But I have also included a super charger that sits at the top of the engine. So my cooled down air from the intercooler enters straight into the super charger.

A super charger is allot simpler. The type I have used is simply a belt driven turbine that draws in air at the top of the engine through the two air filters I have placed here. Inside the block that sits below these air filters and above the engine is where these turbines sit. These turbines will pull in air and will also pressure rise it and then feed this air straight into the engine through the intake manifolds.  A super charger has to be powered by the engine so has a parasitic draw on power, but you don’t have to wait for Boost to build up as the super charger is always running. A super charger is what Mad Max famously runs on his car. His is switch activated so he only turns it on when needed, due to this particular function of his super charger apparently it was never actually functioning in any of the films as this isn’t easily done or maybe even possible.

Basically a whole load of alien looking pipes.  



I then included and exaggerated some other features like many additional belts on the front and a large front cooling fan to the engine. The large front fan is a throwback to very early engines, it would probably have little to no effect on an engine of this power output.  


I then modelled the rest of the truck. The suspension set up is also theoretically functional.
The truck is actually a highly modified 1930’s Ford Wrecker.




I removed the role cage from the design, I didn’t want to obscure one of the only original part of this vehicle, the Cab. Apart from this the rest of the truck is a combination of various metal girders and pipes welded together from the waste land.

The chassis is probably from a larger truck, and the cab sits allot further back to accommodate the engine. There is no longer a front or any Fairings remaining, it’s basically an engine a frame, a simple tow truck system and a seat.





This is the mesh of this Model.

Many of the parts are duplicates, e.g. many of the tubes, the metal girders, wheels etc. This has saved allot of modelling time and UV space, as for example there are 8 Girders but only one is unwrapped.

I’m currently not shore how to pack these meshes. This project has a budget of only 4x1024. Putting this whole vehicle on one 1024 doesn’t seem like a high enough pixel density, but using two would require half my budget. For now I am going to proceed and create other assets and maybe pack other assets with half of this vehicle.















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