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Things to know/consider when building
So as far as turbocharging and engine building in general I've found that the following are good to have:
% Oxygen in air: roughly 20.95% Airflow @ a given rpm Bore Brake Mean Effective Pressure Brake Specific Fuel Consumption BTU's per gallon of gasoline: 114,000 Camshaft advance angle Camshaft lift duration Camshaft lobe height (lift) Compression Ratio Displacement EPC (Engine Performance Coefficient) Firing order Fuel flow in gallons per hour Fuel flow in pounds per hour Fuel Injector pulse width Fuel injector size Fuel pressure HP @ a given rpm MAP Readings* Mean Piston Speed Oil capacity Sea-level-standard-day atmospheric conditions: 14.7 lb/ in2, 15 °C (59 °F) Specific gravity of gasoline: 0.71 Stroke Swept Cylinder Volume Torque @ a given rpm Turbocharger A/R Turbocharger wheel diameter Turbocharger wheel trim Vacuum created Valve spring pressure Volumetric Efficiency Weight of air: 0.0807 lbs per cubic foot Weight of gasoline: 6 lbs per gallon Lets add to the list |
Re: Things to know/consider when building
Ideal gas law: pV=NRT (p=pressure,v=volume,n=amount,r=ideal gas constant,r=temperature)
Air/Fuel ratio: Proportion of air to fuel. The ideal ratio or "stoichiometric" ratio is said to be 14.7:1 for gasoline (14.7 parts air to 1 part fuel), though I've heard as rich as 12:1 and as lean as 15.7:1. Leaner mixtures tend to create more power but are subject to the likelihood of pre-ignition or detonation. Where as a richer mixture burns slower but can foul plugs and cause excessive emissions. |
Re: Things to know/consider when building
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Re: Things to know/consider when building
Originally Posted by GoodUsername
(Post 50410197)
So as far as turbocharging and engine building in general I've found that the following are good to have:
% Oxygen in air: roughly 20.95% - wat Airflow @ a given rpm - tuner's concern Bore - - given Brake Mean Effective Pressure - wat Brake Specific Fuel Consumption - wat BTU's per gallon of gasoline: 114,000 - i put gas in it....? Camshaft advance angle - Camshaft lift duration - Camshaft lobe height (lift) Compression Ratio - given Displacement - given EPC (Engine Performance Coefficient) - wut Firing order Fuel flow in gallons per hour - eh Fuel flow in pounds per hour - eh Fuel Injector pulse width - install injectors, do they work or not? Fuel injector size - given Fuel pressure - given HP @ a given rpm - tuner's problem MAP Readings* - tuner's problem Mean Piston Speed - eh? Oil capacity - given Sea-level-standard-day atmospheric conditions: 14.7 lb/ in2, 15 °C (59 °F) - it runs or it doesnt Specific gravity of gasoline: 0.71 - fuck me sideways Stroke - given Swept Cylinder Volume - eh Torque @ a given rpm - that is what a dyno sheet shows brah Turbocharger A/R - given Turbocharger wheel diameter Turbocharger wheel trim Vacuum created Valve spring pressure Volumetric Efficiency - wat Weight of air: 0.0807 lbs per cubic foot -srsly? Weight of gasoline: 6 lbs per gallon - k Lets add to the list
Originally Posted by OneBadTurboCRV
(Post 50410348)
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Re: Things to know/consider when building
Originally Posted by OneBadTurboCRV
(Post 50410348)
:door:
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Re: Things to know/consider when building
you forgot JB weld, duct tape, and zip ties dude....
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Re: Things to know/consider when building
Originally Posted by thermal
(Post 50410524)
you forgot JB weld, duct tape, and zip ties dude....
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Re: Things to know/consider when building
Sweet user name
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