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Old 11-26-2007, 10:52 AM   #11
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Re: Jacuzzi Bus IV

So how fast does that thing go, was it a city bus?
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Old 11-26-2007, 01:22 PM   #12
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Re: Jacuzzi Bus IV

he claimes it was a highway bus owned by the city of gainsville florida. I'm pretty sure it was a city bus. It'll cruise about 60 on flat ground. I was never able to get the bus over 65 even going downhill with the pedal to the floor. There are some pretty steep hills between arizona and michigan.

I really like the bus, and 60 mph is acceptable, I'm just disappointed because i was expecting 70 or 80. A bus with a top end of 80 should cruise real nice without having to work at 60 mph.

I"m also surprised how wimpy that 6v71 is. 426 cubic inches, a blower plus turbo, and twice as many power strokes as a four stroke engine. I would have thought that it would be a great match for a 20K pound bus. It's about as anemic as my old 6.6 litre Brazilian. It starts great, blows very little smoke, runs like a top. The motor appears to be in excellent shape. She leaks oil, but i think that's par for the course for a DD. Most of the oil appears to leak out of a pair of hoses under the motor. About 1 gallon every 1K miles. Not like that dt360 in the last bus that didn't use/leak barely a drop of oil.

It sounds really cool! especially when taking off from a stop. I should make a recording of that. The air ride is really nice too, but leaks like a sieve. (sp?) Not a big deal though, it's just plumbing. I'll get working on that as soon as i park the bus indoors out of the snow. It has air everything which is a little bizarre: throttle, engine shutoff, windshield wipers, doors, seat, brakes, suspension and who knows what else.

The body doesn't have a speck of rust. Only rust i've found is on the platform where the a/c unit used to live above the engine.
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Old 11-26-2007, 07:42 PM   #13
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Re: Jacuzzi Bus IV

I suspect that a gear change is out of the question? Sound more like a lack of gears than lack of balls. Is that thing governed/ Can ti be turned up if so? Or would that grenade the motor?
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Old 11-26-2007, 09:56 PM   #14
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Re: Jacuzzi Bus IV

it doesn't have a tach, so i dont' really know how fast she's turning....but with double the exhaust strokes of a regular engine she sounds really fast! As a matter of fact, my buddy said to me "she's idling kind of fast, isn't she?" I let him look at the crank while she's idling and you can just about count the rev's. I'm not gonna bother turning it up, i have no plans for any more cross country traveling in this bus. I'm not gonna swap gears either....it has a 4.56 rear which is pretty conservative in the bus world.

with all the numbers plugged into the equation she is turning about 2,300 rpm, which is pretty close to redline for that motor.

i need to quit talking about this bus and start working on it if we're gonna meet our deadline of Jan 31.
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Old 11-26-2007, 10:06 PM   #15
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Re: Jacuzzi Bus IV

Straight pipes and an mp3 please. Thanks.
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Old 11-27-2007, 05:20 PM   #16
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Re: Jacuzzi Bus IV

So what bus are you takign to burningman next year? a 60 footer?
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Old 11-27-2007, 07:59 PM   #17
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Re: Jacuzzi Bus IV

sssshhhhh!!!!

mention of driving that thing to burning man would cause oil futures to soar. we're paying enough already. how many gallons to the mile does that beast get, anyway?
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Old 11-27-2007, 11:09 PM   #18
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Re: Jacuzzi Bus IV

i plan to find a tc2000 or other suitable cross country vehicle for next years burn. Something that has teh ability to get 10 mpg or be able to drive 75 mph.
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Old 11-27-2007, 11:56 PM   #19
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Re: Jacuzzi Bus IV

i bought some new bus toys today. An alternator and batteries.....

The a/c unit takes 13 amps @ 110 volts

I have a 3KW military inverter which runs on 24 volts....only problem is that my bus is 12 volts.



The more i thought about it, the more i thought about how great a 24 volt inverter is. Why you may ask would this be preferable to the far more common 12 volt appliances?? Here's why.....3KW @ 24 volts is only 125 amps. compare that to 250 amps @ 12 volts.

The a/c should use under 1.5kw, and the fancy new 24 volt 165 amp alternator i bought today produces about 4KW.



My house system will be completely isolated from the bus system. I also bought a pair of cute not so little 4D batteries for the house system.



All i need to do now is create a mounting bracket and run the 00 welding cable from the alternator to the batteries then to the inverter.
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Old 11-28-2007, 07:30 AM   #20
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Re: Jacuzzi Bus IV

So you are gonna have two alternators? How much do they get for that 24 volt one? It should power a 15k btu A/C without even working hard. BTW, you could do away with the 12 volt alt if the batteries are 12 volt wired in series. You could use one of the batteries for the chassis electrical.
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