Hot!1993 Chevrolet P30 Food Truck Build

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eric/Jenn
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Re:1993 Chevrolet P30 Food Truck Build 2013/08/18 21:19:06 (permalink)
So you will be using the DC power that will be sent to that nice inverter, then you will be plugging in your applianced into that inverter for the power to all DC correct?  I am not sure what all normally runs on dc verses ac. I assumed lighting is DC vents and appliances were ac as to not drain the batteries so fast.
reese77

Just got the information from tech support regarding the inverter and battery bank setup.

I will need (6) "T-105" 6 Volt 225 Amp Hour Deep Cycle Golf Cart Batteries.
Putting my amp hours at 1350 allowing me to be able to pull the full 8000 watts at 666 amp hours.

In order to achieve the 12V necessary to operate the  I will need to hook up the battery's series parallel meaning running 3 sets of 2.

Meaning I will need to connect the 3 sets of batteries somehow such as a terminal block or similar so that they are all as one.  From that terminal block you can run 4 200 amp fuses to each input to the inverter using 4awg wire (inverter has 4 separate inputs).

Basically the 3 set of battery banks need to be connected 3 into 1 and then the 4 inputs to the inverter need to be fused.

Charger:
The charger I will need is a smart charger and the Amp out will be determined on how long it will be on to replenish the battery for what you have taken out of it but not to exceed the 25% back into it.
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Based on the above, I need to only fuse the positive to the inverter correct?


eric/Jenn
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Re:1993 Chevrolet P30 Food Truck Build 2013/08/18 21:23:30 (permalink)
in all honesty if I need to know a fraction of what you just said I should not be building a food truck your an Einstein! omg.
edwmax

Correction,   connecting 2 batteries in series to increase voltage does not increase AHr.   Therefore, two 6 volt batteries @ 225 AHr connected for 12 volts is still 225 AHR.    .... 6 batteries wired for 12 volt results in equivalent three 12 volt batteries @ 225 AHr.

redoing the calcs:
3 batteries @225 AHr =675 AHr
Inverter: 8000 watt @ 120 volt (output)= 800 watt @ 12 volt (input) = 66.67 amps   ... (Is 8000 watts the calculated load? Has efficiency losses been included?)

service time: 675 AHr / 66.67 amps = 10.12 hr
Efficiencies of the system was neglected, so I think your actual operating time will be about 6 to 7 1/2 hours (at full load), 60% to 75% efficiency of inverter, wiring, & motors.

Note efficiency of the battery is accounted for in its AHr rating. Which is 20 hours  of 100% loading or approx. 80% of battery capacity.     ... The above system will be depleted at 10.12 hours (80% discharge), At which time the batteries needs recharging.

*** my 2 cents and exercise for myself to understand.


gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/09 02:18:08 (permalink)
Wait, Reese, this thing says its for liquid propane. I thought your system was vapor for some reason. I have purchased a vapor tank to mount to my frame. Will this be the wrong thing for my hot plate and griddle?
reese77
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/09 11:07:00 (permalink)
gonzojuice

Wait, Reese, this thing says its for liquid propane. I thought your system was vapor for some reason. I have purchased a vapor tank to mount to my frame. Will this be the wrong thing for my hot plate and griddle?

 
My tank is vapor, vapor comes out the spout not liquid. I know they have the tanks that pull the actual liquid propane from the bottom of the tank but mine is not. I do not think your griddle runs on the actual "liquid" propane. From what I read vapor is used in appliances, other items that need 100K BTU or higher use the liquid version. All the tanks are liquid, the difference is whether the propane is drawn form the top of the tank (vapor) or bottom (liquid).
daddywoofdawg
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/09 12:51:21 (permalink)
all propane is liquid till the pressure changes,then it turns to vapor/gas.the  term is LP=liquid propane/propane.
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/09 21:17:33 (permalink)
My tank is vapor, vapor comes out the spout not liquid. I know they have the tanks that pull the actual liquid propane from the bottom of the tank but mine is not. I do not think your griddle runs on the actual "liquid" propane. From what I read vapor is used in appliances, other items that need 100K BTU or higher use the liquid version. All the tanks are liquid, the difference is whether the propane is drawn form the top of the tank (vapor) or bottom (liquid).

Ok, yes. This makes perfect sense( I knew that the gas under pressure becomes liquid). I was just suddenly panicked that I had the wrong tank for delivery of said fuel. Daddywoofdog made it cleare for me with the definition of LP. Perfect sense.
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/10 00:03:38 (permalink)
I'm mostly sad right now because in the last few days I've had plumbing struggles. I was so confident with the bulkhead freshwater turned wastewater tank. I found the bulkheads at Home Depot(not 3", but 1 1/2", used an adapter for the waste out(to expand to three inches for my gate valve) and found it perfect for waste in( im using 1 1/2" from the sinks on down) Have no room for my fifteen gallon tank under the floor, so I put it on top of the floor( my stepvan box is only 10' x 6', a shorty). Also, don't worry about the smallness of my tank, I have run a ten gallon in the trailer for 2 1/2 years, and we have it down pat. My concern is because I'm not sure I'm getting a solid seal with the valve going through the floor on the bottom side. My rubber washer is inside the tank on the bulkhead fitting with the fitting going through a perfect hole in the floor and the plastic nut on the bottom. I used no further sealant or glue on this fixture and seal. The bulkhead fitting extends through from inside the tank to under the floor so I should only be concerned with tightness(squeezing the rubber washer to a seal?) and the plumbing underneath, right? Unfortunately I fitted out the rest of my water system before tasting this, and only discovered my fail after testing the system as a whole. Will post photos at thirty posts.
reese77
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/10 10:39:03 (permalink)
gonzojuice

I'm mostly sad right now because in the last few days I've had plumbing struggles. I was so confident with the bulkhead freshwater turned wastewater tank. I found the bulkheads at Home Depot(not 3", but 1 1/2", used an adapter for the waste out(to expand to three inches for my gate valve) and found it perfect for waste in( im using 1 1/2" from the sinks on down) Have no room for my fifteen gallon tank under the floor, so I put it on top of the floor( my stepvan box is only 10' x 6', a shorty). Also, don't worry about the smallness of my tank, I have run a ten gallon in the trailer for 2 1/2 years, and we have it down pat. My concern is because I'm not sure I'm getting a solid seal with the valve going through the floor on the bottom side. My rubber washer is inside the tank on the bulkhead fitting with the fitting going through a perfect hole in the floor and the plastic nut on the bottom. I used no further sealant or glue on this fixture and seal. The bulkhead fitting extends through from inside the tank to under the floor so I should only be concerned with tightness(squeezing the rubber washer to a seal?) and the plumbing underneath, right? Unfortunately I fitted out the rest of my water system before tasting this, and only discovered my fail after testing the system as a whole. Will post photos at thirty posts.

 
I can't picture what you are talking about. Post your photos on flickr and send me the link and I can post here for you.
daddywoofdawg
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/10 10:55:10 (permalink)
So what is the problem?
 
 
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/10 20:42:07 (permalink)
Problem is, i fear that the waste tank is leaking at the seal(bulkhead) where it goes through the floor(waste tank is inside the truck on the floor). I got the rest of my plumbing done and the sinks work now(except the hand sink I'm fashioning out of a third pan). Had some issues with my pump. Didn't seem to want to pump in just any orientation. Got it now though. I'll put pictures as soon as they will let me. Reese, I don't yet have a flicker acct but let me get some photos taken and I will make one. Thank you everyone for your help. I have been in the food trailer business for nearly three years and have found that the culture is to not help each other and lie to each other. I despise this and always offer help and constructive advice to others. It's the only way it should be.
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/13 01:19:08 (permalink)
Never mind. All is fine. I figured it all out. I built the cabinet and counter top today. Challenging. Looks good though
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 01:54:11 (permalink)
Nobody responds
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 01:54:39 (permalink)
Pictures
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 01:54:51 (permalink)
Pictures
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 01:55:10 (permalink)
Pictures
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 01:55:29 (permalink)
Pictures
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 01:59:48 (permalink)
Just trying to whore to thirty so I can post photos of my build. I am jonesin for some forum convo and have been checking while building. My build is in a rush, as was the first(40 days from conception to open, from the moment I thought "ya ima do it" to "can I take your order?"). Impatient, I am.
CajunKing
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 17:24:06 (permalink)
Through the week many are busy with work.
 
Why dont you start your own thread about your idea and your truck, break it into smaller segments and then you will reach your post total and be able to post the pictures, and you dont step on someone elses thread about their own build.
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/14 21:11:53 (permalink)
Thank you, Cajun king. That is a good idea. Sorry to have hijacked your thread, Reese. I really have enjoyed your build and look forward to more pictures and updates.
THE WILD DOG
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/15 09:24:02 (permalink)
we all hijack Reese's threads at some time or another :-)
CajunKing
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/15 18:28:36 (permalink)
Yes we do
 
reese77
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/20 19:23:55 (permalink)
Does anyone's truck feel like it's going to tip over when turning corners? My truck is very rocky, I am going to take it to the shop to have the suspension updated.
THE WILD DOG
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/22 01:50:39 (permalink)
depends, Most of the times NO. However if I hit a ditch driving in soime grass field, yes it rocks... or if I'm goign around turns on the beltway it can feel weird. I tried to space mine out to even out the weight.     I've had a few moments where I thought i'd have to stop for new shorts though.  
eric/Jenn
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/22 10:11:49 (permalink)
do you have covers made for the deep fryers? Or do you completley empty them at the end of each day prior to moving the trucks?
gonzojuice
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/22 12:08:01 (permalink)
Some smart people have covers and some will empty half to two thirds way. Unfortunately even with covers you still have to empty some out or it will slosh around and knock the covers out. An oil drain pan(with a spout on one end, like for an automobile oil) and a sealable container(made of metal) works well. I have seen a double cover system that work pretty well.
daddywoofdawg
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/24 00:13:58 (permalink)
do people build there own covers or is there somewhere you can buy?
kapowtruck
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/26 17:47:07 (permalink)
reese77

Does anyone's truck feel like it's going to tip over when turning corners? My truck is very rocky, I am going to take it to the shop to have the suspension updated.

I have my guy looking at doing air lift suspension on my P30. He said it should handle the weight better and control the rocking on cornering.
 
~Thai Guy
Rcoy
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/26 20:34:42 (permalink)
In my experience, air suspension does well at lifting but not so much for swaying. Is there a stock anti-sway bar on your truck? it might be as simple as getting a stiffer swaybar.
kapowtruck
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Re:1993 Chevrolet P30 Food Truck Build 2013/09/26 22:08:54 (permalink)
This will definitely help! 

 
reese77
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Re:1993 Chevrolet P30 Food Truck Build 2013/10/01 19:05:30 (permalink)
For you guys up and operating, how far do you drive to from your commissary each day? I found a commissary in the next county over but it is about 30 minutes from where I will actually setup and sell each day.
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