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Old 04-07-2008, 11:59 AM
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Good batterys are the key to cool starts. Most aircraft use ni-cads ,I feel they suck. ie battery overheat,memory,price ect.. Some aircraft operators use external power (if no apu) on all starts to ensure cooler start temps even if the battery is just fair. Doug
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Old 04-07-2008, 12:12 PM
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Default Starting power

John knows all the tricks, he has learned overt he years and maybe even the hard way a few times over. I worked with Carmen and Scott over at Turbine Marine 2 winters ago and they have all the systems running perfect including a 24 volt / 4 battery's per turbine and yes, a clean water flushing poly tank.....I would like to challenge anyone to beat them in the shop or on the water
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Old 04-07-2008, 12:20 PM
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Quote:
Originally Posted by 40FlatDeck View Post
I have a few questions. First, what about insurance? Does Markel still cover you? Second, we float around alot just hanging out. If we get close to shore, I fire one motor and back away. How long is the start process? If you start them say, 6 times a day, will you smoke your batterys? Cheaper than blower motors? Thats interesting........

I am running two series optimas.
The start process takes all of 20 seconds.
The voltage after start reads approx 22volts.
One flip of my start charge switch will bring that to
28 volts.

I also added a 24 volt parrel contactor which
Ties the other motors batteries together.
Kinda like the All position on ur battery switches.

6 times a day no problem. Its really the duration between
starts that could be a issue.
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Old 04-07-2008, 12:25 PM
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Quote:
Originally Posted by oreo11zeus View Post
John knows all the tricks, he has learned overt he years and maybe even the hard way a few times over. I worked with Carmen and Scott over at Turbine Marine 2 winters ago and they have all the systems running perfect including a 24 volt / 4 battery's per turbine and yes, a clean water flushing poly tank.....I would like to challenge anyone to beat them in the shop or on the water
Its not about beating them its about doing it ur self!
Spend the least and get the most!

Yes................ What did the Discovery channel say " Howard Hughes of Turbines".
Gotta hand it to him hes got the spotlite.

Theres also MTT and Firestorm.
Who was the Turbine outfit that rigged Dave Scotts boat?
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Old 04-07-2008, 12:36 PM
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Here is the first actual startup of starboard.

Look closely you will see the flame that is when it is igniting.
http://www.youtube.com/watch?v=B6-BuvVj8AY
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Old 04-07-2008, 12:38 PM
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If you listen closely you can actually here the N2 begin to start.
It kinda sounds like a second turbine begin to spool.
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Old 04-07-2008, 01:03 PM
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That's bad a$$
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Old 04-07-2008, 01:04 PM
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Its seems they number the compressor differently on the helicopter engines than the turbofans. On the fans the starter cranks the N2,the big fan is N1. On the Rolls RB211, crank N3, three spool engine. Most use air to start. Doug
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Old 04-07-2008, 01:21 PM
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Its seems they number the compressor differently on the helicopter engines than the turbofans. On the fans the starter cranks the N2,the big fan is N1. On the Rolls RB211, crank N3, three spool engine. Most use air to start. Doug

Doug is that you standing infront of that jet engine in your Avitar?? Ya may wanna take a few steps away

Here is a nice picture of the t53L13b
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Old 04-07-2008, 02:26 PM
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[QUOTE=KNOT-RIGHT;2516208]Doug is that you standing infront of that jet engine in your Avitar?? Ya may wanna take a few steps away

Yup, Thats me, GE CF6 If somebody hit the starter I would have a few seconds to bolt. On average burns about 750 Gallons per hour. I'm a turbine fan,(pun intended) Nothing like hitting the starter then hearing the igniters snap and the smell of kerosene that I never get tired of. Knot you will like this pic.
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