Al always loved the turbines, who knows whats next for him...
Thread: Turbine rigging
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01-08-2009 02:08 AM
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01-09-2009 10:44 PM
Thanks for the support guys!
Brad thanks again bro on your advice on the rerig!
Here is the completed assembly.
it measures 67 inches long and 35 inches high.
The assembled weight is approx. 600lbs
This engine will produce 1480SHP
The "FOD" screen (foreign object Damage).. (Bras, G-Strings, Seaguls) is visible.
The copper pipe coming out of the top of the intake is the
Methanol injection which doubles as a compressor wash.
When they first arrived I was amazed on how small they were.
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01-10-2009 02:04 PMG, need a break, weather wise, fire up the ol' backhoe and then getter-done ! PR vid. 2008 www.youtube.com/watch?v=fiFHOzHzx4o
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01-12-2009 06:10 PM
There is no mechanical connection between the two systems. N1, N2.
It is a "free Turbine"
N1 is the gas producer which means it produces Hot gas (Combustion)
that is directed and focused onto the Turbine Wheel (N2).
At low Rpm the Force is not significant enough so that the design
allows the N2 to be stopped without issue.
Picture a compressor airgun. EX. like a blow off nozzle that a garage uses
to blow debris off something.
If you put a free spinning Wheel in a vice. EX. Like a Computer fan.
If you apply the airgun to the fan the force of the air against the blades
will cause it to move. It will Move pretty fast also.
This is a basic analogy.
Here is another EX.
A Turbine wheel put in niagra falls would cause the wheel to spin.
The water being N1 (gas producer)
N2 being the Turbine.
Hope this helps SkaterBrother
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01-12-2009 06:38 PM
Here i go off to Geek ville!
The Basic gas turbine is comprised of three components.
Compressor, Combuster, and Turbine.
The basic gas turbine:
The Compressor is driven by the turbine through an interconnecting shaft.
Compressed air flows through combuster where it is mixed with with injected fuel. Ignited. These hot gases flow through the Turbine. The turbine extracts
energy through this. This is your Gas producer type Turbine.
The Turboshaft gas Turbine:
In a turboshaft engine the turbine provides power in excess of that required to drive the compressor. The excess power is apllied as driving torque available at an output shaft The power to drive the output shaft can be extracted eithier from the same turbine that drives the compressor or from a separate free wheeling turbine . This is free wheeling no mechanical connection.
The piston Gas motor makes power on the powerstroke of the piston.
The Turbine makes power continuously.
The Turbines found in our example here are a turboshaft engine.
These have a output shaft.
The Turbines found in the airplane you take to vegas are Turbofans.
These produce thrust! rated in Pounds.
Thats all the Spewing of BS i got for now.
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01-12-2009 07:06 PMso its like having two fans the first one making the power, (ie wind), and the second fan has the shaft connection and when the wind isn't stronger enough you can stop the fan blades.
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01-12-2009 07:37 PM
Yes in simple terms.
at 40% rpm of N1. The N2 is only making 22hp.
Now there is a thermal limit to how long you can keep it stopped.
Remember all those hot gases of N1 are now slamming against the
staytianary n2 blades.
1 minute would be close to the limit.
Turbines make 90% of there power uptop in RPM.
There rpms are measured in percent.
n1 max 26,500 rpm 105%
N2max 22,500 rpm 102% this is reduced via planetary output gears
located in the turbine to 6600rpm.
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01-12-2009 07:44 PM
I thought the correct words are suck -blow -bang. Is that in the coreect order.
That was Military talk.
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01-14-2009 12:31 AM
And Corona...think one or two may have been consumed...
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01-14-2009 07:49 AM
Look's like installation time !
The Turbines echo off the surrounding buildings so much better when it's below 20 deg. out.
The air boxes came out great !
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01-14-2009 08:58 PM
YES The true secret behind the scenes
You hit it right on...........
Turbines may not be for everyone, However With a little bit of mechanical
ability and the drive it can be accomplished.
Hey what the heck I,m a used car salesman
If I can do it anyone can.
Seriously I could supply measurements and any info that would aid in
a do it yourselfer.
The bell housings and brakes are already available over the counter.
The SCS gearboxes are from what else SCS.
Really the only custom would be exhaust and intake.
A Sheetmetal guy can do this.
There are several ways to install them. This way may not be the best
However, The boat runs, drives and shifts awsome.
One of the biggest things is they dont stall around the docks Second
to only the unbeleavable acceleration.
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01-15-2009 11:57 PMKen, Happy New Year, and again thanks for the vid.clips ! dam cold out these days ! G, have a great vac.
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01-30-2009 12:23 AMNo-No-1, any ?'s RE: turbines and the great possbilities of their applications come on guys & galls shout out now ! has any 1 ever analyized a v-drive set up with a turbine ? --- ? or exhaust/engine cooling etc. everyone sleeping ? Artie-help us out dude. -
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01-30-2009 08:40 PM
Don't know what you are asking as you as it is difficult to follow your writing, but why would anyone need a V drive?
The engine can plug into the drive. Your asking why are the engines mounted rearward and the exhaust forward. Answer: drive line length. The engine is basically 48" long, the drive line would have to go this length plus. Also the engine would have to be mounted higher upward (when dealing with a Merc #6 that is). Then there is the cooling and such of the V drive which technically is a Parallel offset box. An actual V drive would put the engine at the typical 10 degree angle that is in the V drives.
Did I mention cost?