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BTU's per Gallon ?

Home > Discussion Forum > Bus Conversions - School

Email Author email Jerry Campbell  Reply to Message reply to message  Post New Message post new message      search forums
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BTU's per Gallon ? Jerry Campbell 11-19-02  
Someone told me that propane puts out about 100,000 btu's per gallon. I don't know if this is true but I'm wondering what the difference in fuel consumption
would be between diesel and propane for heating my bus. I see marine diesel heaters that burn 1 to 3 gallons per day, 5 to 15,000 btu's. I would like to stay away from propane if at all possible. We spend the winter camping on the beach in Mexico and there have been many times you could not get propane because it was freezing in the mountains and there was none left for the warmer places.
So far I have replaced all the windows with sheet metal and insulated the walls. Now its time to take the money and run. I hope to drive it down next year so I have until the spring to figure it out, then the design phase ends and the work begins.
Thanks
Jerry
Re: BTU's per Gallon ? Mallie 11-22-02  
The btu does vary some, but the Propane is pretty consistent at 91,500
Diesel is about 140,000btu don't forget to discount for efficiency loss of the exhaust. Suburbans can be 65%, good diesel fired can be much higher.
Calculate Natural Gas Usage Robert Allen 4-25-07  
What formula would I use to calculate the amount of natural gas that would be required to raise the temperature of 2000 gallons of water from 72 degrees to 150 degrees?
Re: BTU's calculation or formulas Jim Mckenty 2-2-03  
Whatis the formula or formulas for the calculation of BTU's.
what I have is a hot oil boiler what I want to know is what are the btu's delivered.
so far what I know is that the supply pipes temp. is 190 deg. C and the return pipe is 88 deg. C what else do I need to calculate the BTU's delivered eg. oil flow fan speed cfm of the fan the size of the pump that pumps the oil the boil is 3.300,000 btuh.
the regularor valve is open at 40% the oil psi. is 40 the pipe size is 3"

can you also supply an example or freeware soft ware to do this.
the reason I would like to know how to do this to prove a point. that an air compresser has at 80 psi has 10 cfm and another has 80 psi and 35cfm. the differance is the amount of energy delivered.I would like to show the same thing when you change damper settings or change the air flow the amount of energy changes BUT you can also have the same temp.

can you help
Re: BTU's per Gallon ? Erich 11-21-02  
Quote Someone told me that propane puts out about 100,000 btu's per gallon. I don't know if this is true but I'm wondering what the difference in fuel consumption
would be between diesel and propane for heating my bus. I see marine diesel heaters that burn 1 to 3 gallons per day, 5 to 15,000 btu's

Gasoline 115,000 BTU per Gallon
Diesel
How many BTU heater to buy Charlotte Mc Neal 11-3-06  
How many BTU to heat 600 Sq. Ft. room with wall moumted propane heater?
BTU'S PER CU FEET KIM 4-19-05  
I AHVE CONVERTED MY GARAGE INTO A 2 STORY LOFT. 400 SQ FEET WITH 14 FOOT CEILING. HOW MANY BTUS INAN AIRCONDITIONER TO COOL THE ROOM?
Re: BTU's per Gallon ? Gary 2-8-04  
OK, let's start at the beginning. Whoever put the formula for KWH & BTU's is wrong. There are 3414 BTU's in a KWH, not 3.414 (that's a watt). Figuring the btu's needed to cool a computer room varies greatly by the amount of heat produced. There are 12,000 btu's per ton. You need to allow for extra load and latent heat loss (without getting too technical. So, take the total btu's, multiply by.33 then add this number to the total btu's and divide by 12,000. This will give you the rough tonnage needed to cool the space. Computer rooms are very tricky to cool. The varing load on each system CAN change the required load. Which if you figure for the maximum load, it can leave you with a frozen coil from lack heat.

Figuring the wattage of each piece of equipment is fairly simple. Take the amperage times the volts to get watts (P=IxE). The average btu's for a person is 600 btu's.

A 1200sq.ft house should have a 2.5 ton A/C.

NAB, how many pounds of steam per hour do the boilers produce? NOT PSI, pounds! It is stamped on the boiler someplace.
Re: BTU's per Gallon ? Erich 11-21-02  
Quote Someone told me that propane puts out about 100,000 btu's per gallon. I don't know if this is true but I'm wondering what the difference in fuel consumption
would be between diesel and propane for heating my bus. I see marine diesel heaters that burn 1 to 3 gallons per day, 5 to 15,000 btu's

Lets try this again.

Gasoline 115,000 BTU/gallon
Diesel 128,400 BTU/gallon
Propane 84,500 BTU/gallon

You need to burn 128,400/84,500 = 1.52 gallons of propane to produce the same amount of heat in 1 gallon of diesel.

As a reality check.
A heater that creates 15,000 BTU/hour and runs non stop for 24 hours
would burn
15,000*24 hours/128,400BTU/gal =2.8 gallons of fuel.

Erich
Re: BTU's per Gallon ? connie cole 2-21-03  
Can you tell me how many btu's per gallon in propane
Re: BTU's per Gallon ? Jerry Campbell 11-21-02  
Thanks Erich
That's exactly what I wanted to know.
Jerry
Re: BTU's calculation or formulas Kent Maraj 3-31-03  
Hi I was wondering if you might be able to explain how to calculate BTU's for Computers/Servers. I was told to contact an electrician. Any help would be greatly appreciated.

Thanks!

Kent Maraj
Re: BTU's calculation or formulas John 3-10-03  
If excess hot oil system can produce 400,000 btu's per hour, how is this related to steam pressure?
Re: BTU's calculation or formulas Denzil Williams 5-12-03  
I would like to be able to decide the capacity of an domestic air condition unit required to cool a room 35x25x9ft.
Is there a general rule of thumb that one can go by?
Re: BTU's calculation or formulas Denzil Williams 5-12-03  
I would like to be able to decide the capacity of an domestic air condition unit required to cool a room 35x25x9ft.
Is there a general rule of thumb that one can go by?
Re: BTU's calculation or formulas maiel 8-18-06  
Calculation to btu
Re: BTU's calculation or formulas judi barton 10-24-05  
For electric stove needed for 700 square foot home btu's.
Re: BTU's calculation or formulas NAB 8-8-03  
I would like to calculate the Natural gas Consumption in a steam boiler.

We do have two boilers the first generate steam in 150 psi the second 50 psi. the return condensate quantity in known.

How do I calculate
1- The gas consumption for each boiler?
2- The heat btu/h for each boiler?

Thanks.

Best Regards
Re: BTU's calculation or formulas t.verdonk 3-12-03  
Please, would you be so kind to send me a formule to calculate number of BTUh for hardware devices like servers or network equipment.
I have only the Power consumption of the device.
e.g. 700 Watt or 80 Watt.

Thanks in advanced.
Re: BTU's calculation or formulas mohamed 2-12-07  
Btu for cubic meter propane
Re: BTU's calculation or formulas N Beattie 4-29-06  
My room size is 3.6 x 4.6 x 2.2, I have double glazing and 1 outside wall, with a wooden floor. My radiator size is a 1000 x 600 double. Is this big enough for my room.
Re: BTU's calculation or formulas Priyantha 9-2-03  
I want to calculate BTU capacity of a suitable A/C using dimensions of the room
Re: BTU's calculation or formulas Bruno 6-16-03  
The formula is the following to convert Kilowatt per hour to BTU.

KWh x 3.413 BTU = X
Re: BTU's calculation or formulas John Thomsen 11-1-03  
HI,

Is there a way to calculate the BTU' of a fireplace?

Thanks,

John
Re: BTU's calculation or formulas ward figge 12-26-04  
I have built a small solar colector. The solar panel is 1.4 sq ft, the fan output is 34 cfm, the totally insulated test box is 5 cubic ft. On 12/18/04 the temperature at the mid point of the test box rose 26 F in 60 minutes. outside temp was 54 F. Test location was bluffton SC. QUESTION how do I calculate the BTU/hour?
Re: BTU's calculation or formulas Alex 12-29-03  
Could you please explain how to measure a Btu please thank you.
Re: BTU's calculation or formulas Dee Tardiff 4-15-04  
How many BTU's are in a Watt
Re: BTU's calculation or formulas neil 12-23-06  
Formula used to calculate

How many BTU's of heat will be required to raise 16.5 lbs of water from 33 degrees farenheit to 97 degrees farenheit?
Re: BTU's calculation or formulas ian smit 9-20-07  
Room calculation ---deduction of btu sdue to windows,doors etc
What is the formula for btu brian 5-21-05  
Please help
Re: BTU's calculation or formulas Steve Scott 4-16-04  
I'm looking for a rule of thumb formula to determine how many cfm of heating/cooling for any size space.

I also need to figure the required BTU per space. Did you get any answers?
Air conditioner sizing Vlad Ericson 9-17-03  
For air conditioner sizes. How many BTU unit for a 1,200 sq. ft. house?
Re: BTU's calculation or formulas Marie 9-24-03  
How do you figure BTUs for foot/pound
Re: How do I find out how many btu's? Jeremy Boggs 12-2-03  
How many btu's is there in a sq. or cu. ft. for heating and cooling.
Re: Air conditioner sizing Rob 10-29-03  
How much can I cool ( in BTUs ) with a 2-Ton unit.

I have two rooms next to each other,but separated by a wall, as follows:
Room 1: is 10' X 18' ( 8' ceiling) with an IT Rack for a LAN rated at 15,000 BTU max output. no people in the room.

Room 2: Has 4 Desk Top PC, one 27" TV, and one person. The room nesures 10' X 20' ( 8" ceiling ). I have a 2-Ton HVAC. IS this the righ size?
Re: Air conditioner sizing walter crasta 10-14-05  
Hi
kindly send me details how to calculate the btu of a perticular area in the building
Re: Air conditioner sizing yawer 8-23-05  
Send table of calculating btu according to room size
Re: BTU's calculation or formulas jv 4-10-04  
Btu per sq ft cooling?
Re: Air conditioner sizing ron 12-14-07  
How many btu in a 1 ton air conditioner
Natural Gas Heating John Urbanowicz 3-6-06  
Can you help us figure out how much it would cost to heat a 32x150 greenhouse with forced air heaters? We have an idea on how to figure it for propane but we are unsure on Natural Gas.
Thanks
Re: How do I find out how many btu's? Joe 7-3-04  
How can I find out and confirm that my air-condition has the capacity of BTUs which is listed on the specification plates and not less?

Joe
Re: BTU's per Gallon of gasoline Miles B. Squire 9-23-04  
I would like to know how many British Thermal Units are produced fom each of the three common gasoline octanes, starting with No. 87. Thank you.
Re: BTU's calculation or formulas Bob Patison Jr. 6-3-04  
Hi,
I,m going to put a couple a/c window units in my home.I need the formula to convert Btu's to amps.
Can you help me?
Thanks, Bob
Re: How do I find out how many btu's? john williams 4-22-05  
Can you please tell me a quick way of calculating roughly how many btus = radiator
Re: BTU's per Gallon of gasoline Mitch 11-11-07  
87 89 and 91 octane all have the same BTU per gallon. There is no more energy in 91 octane than in 87 octane.
91 octane burns slower than 87 octane.
You want your fuel to burn as the piston is pushing down. You don't want it to explode and knock the piston or hear engine knocking.
Re: BTU'S PER CU FEET Louie Brefel 5-30-05  
I have updated my shop by adding R13 to the walls and R19 to the ceiling.The shop has three double insulated windows.The room is 14x24x9'.What size window unit do I need to cool the shop?
Thnks ----Louie
Re: BTU'S PER CU FEET mohamad 9-17-07  
Can you please tell me the btu's per cu feet
Re: BTU'S PER CU FEET feliciano bautista 6-2-08  
Btu calculations or formula
Re: BTU'S PER CU FEET William Ellerhorst 5-31-07  
How do you convert BTU'S into cubic feet,or cubic feet into btu's.
Re: How do I find out how many btu's? judi barton 10-24-05  
How do I find the btu's needed to heat a 650 square foot home.
Convert btu's to amps or watts Guy Petrillo 6-10-07  
I require estimate of amp service needed to run an air conditioner of so many btu's.
Re: what is the formula for btu to cubic feet of gas ? Phil 9-14-06  
I need the procedura and formula to find out how many btyu's egual a cubic feet of natural gas. I know there is some to do it by looking at the gas meter but I don't know exactly how. PLEASE HELP? I am trying to determine the size of my furnace because there is no rating plate on it.
Re: How do I find out how many btu's? Joaquin Rodriguez 12-13-05  
How to calculate the amount of B.T.U. needed for gas water boilers and central conditioners
Re: How do I find out how many btu's? ian smit 9-20-07  
I want to calculate the btu s of a r,etcoom.what about glass windows,no ceiling,zink roof
Re: convert btu's to amps or watts mark 9-30-07  
Convert amps to btu
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