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Messages - Andre Blanchard

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346
Lister Based Generators / Re: GF's Start-o-matic - WEB GALLERY - use this one
« on: February 16, 2006, 01:23:55 PM »
Most modern inverters that I know of have a search mode.  My Trace 2512 can be set so that just the added capacitive load of plugging in a 200' extension cord will bring the inverter out of search mode.  And my Generac 3500 watt generator has a mode where it cuts back to about half speed then speeds up to normal when a load is turned on.  I have never used it, it is very annoying to wait for a skil saw slowly spin up.
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Andre' B.

347
General Discussion / Re: Torque, RPM, BHP and kWh
« on: February 16, 2006, 01:12:24 PM »
No this "electrician" was definitely talking meter spins slower, costs less money.  He has not and never will do any work at my place, but then neither will any other electrician.
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Andre' B.

348
General Discussion / Re: Torque, RPM, BHP and kWh
« on: February 15, 2006, 08:12:59 PM »
Amps and volts are to watts as torque and RPM are to horsepower.

Two generators, one at 1800 rpm the other at 3600 rpm, both putting out the same amount of power.  The 3600 rpm gen will take 1/2 as much torque to turn as the 1800 rpm gen.  If the engines running them are turning the same speed the gear ratio to the 3600 rpm gen. is double the ratio to the 1800 rpm generator.  The torque that the engines see is the same for each.
These relationships are being tested all the time by students in engineering and physics labs all over the planet, if the formulas were to ever change it would be big news.

Unless I missed something you have not measured the voltage and amps (both measured at the same time) while turning on the loads to your generator.  Until you do, you really do not know what the continuous or more important the surge loads are.

The 1800 rpm generator especially the over built ST's, will likely have a larger amount of stored energy in the armature which will help get thru surge loads.  That could be fixed by simply adding a flywheel to the generator shaft.
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Andre' B.

349
General Discussion / Re: Torque, RPM, BHP and kWh
« on: February 15, 2006, 05:37:02 PM »
I once had an electrician tell me a 240 volt 1/2 hp well pump would take less power then a 120 volt 1/2 pump.  He refused to believe any explanation of the relationship of amperage and power.

Why is such a simple concept as the relationship of energy, power, speed, and force so difficult for people to understand?
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Andre' B.

350
General Discussion / Re: Torque, RPM, BHP and kWh
« on: February 13, 2006, 02:27:24 PM »
http://en.wikipedia.org/wiki/Horsepower

That's all I am going to say.:)
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Andre' B.

351
Listeroid Engines / Re: Bicycle Computer
« on: February 09, 2006, 07:16:34 PM »
This one was just what they had on the shelf.
But if you spend much more you may as well just get an actual tach and hour meter.:)
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Andre' B.

352
Listeroid Engines / Re: Auto Shut Down
« on: February 09, 2006, 07:12:59 PM »
Here be there 12 electric starter.
http://www.arrowengine.com/media/990starter.pdf

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Andre' B.

353
Listeroid Engines / Re: Bicycle Computer
« on: February 09, 2006, 04:48:17 PM »
Quote from: kyradawg on February 09, 2006, 04:44:33 PM
Andre,

Are you the same Andre with the turbochargerd 6/1?

Peace&Love :D, Darren

No.
At least not yet.:)
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Andre' B.

354
Listeroid Engines / Bicycle Computer
« on: February 09, 2006, 04:13:02 PM »
This may have been mentioned here before but.

I picked up a Schwinn bicycle computer, has a magnet that is intended to clamp onto a wheel spoke and a sensor on the frame.  Cost was about $14.00 and looks to be reasonably rugged as electronics go.  It is calibrated by imputing the circumference of the wheel in millimeters.  The display can be set for miles or kilometers but that makes no difference to our use.
If you calibrate it at a circumference of 2682mm then 100rpm will display as 10.0mph, it will display up to 99.9mph or in our case 999rpm.  There is also an odometer that reads up to 9999.9 miles before rollover.
If you take the number off the odometer and multiply it by 600 you get the number of revolutions the wheel has made, so it will count up and rollover at 6000000 revolutions.  At 650rpm this would be 153.8 hours which if you average 4 hours of runtime per day would be 38 days.  If the odometer reading is multiplied by 0.0154 you will directly get hours of runtime.  If you keep a log book, and once a week or so (depending on your daily runtime) write down the odometer reading so that you can track the rollovers you will have a good idea of the total hours on the engine.
Maybe an inexpensive alternative for RPM and hour meters.  Other functions are average speed, and indicator of if the current speed is above of below the average, and indictor of if you are currently speeding up or slowing down, a trip meter time and distance 10 hours and 1000 miles max, also a max speed memory.  The max speed be of some use.
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Andre' B.

355
Listeroid Engines / An experience with ICE
« on: February 08, 2006, 06:33:22 PM »
My 6/1 is still on the trailer and while it was well covered we had some wind last week and the tie downs on the cover proved inadequate.

Some water blew in under the valve cover, and floated the oil out of the valve spring recesses.  This water then found its way down the valve stems and one of the valves must have been open, so into the cylinder.

Sunday I went out to start it up and listen to it for a bit :), I have been rolling the engine over slow for a few revs before really spinning it up to start.  This time it paid off, as the piston was coming up on TDC it stopped dead, rolled it back and just before one complete rev it stopped dead.  Got to looking things over and noticed the water around the springs.:( Loosened up four nuts holding the head and cylinder down, then rolled it over center and it would lift the head about 0.040" as it went over.  So I removed the intake and exhaust and with the piston at the top I put a propane torch in the holes and let I warm up for a bit.  When some water appeared out the head gasket I started rolling it over and blew the water out, then torque down the heat bolts and rolled it over some more with the compression relief on.  After it looked like no more water was coming out I turned on the injector and the compression relief off.  The first few bangs painted the back of the trailer with black spots, got some oil on the valves again, let it get good and warm and everything seems fine.
If the wind gets strong enough to take off the cover now we will all have bigger things to worry about.:)
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Andre' B.

356
Listeroid Engines / Re: Pulsating in singles cylinders.
« on: February 02, 2006, 02:07:37 PM »
Hello Quinn:

I had in mind direct coupling an additional flywheel to the generator shaft but still using a belt between the engine and the generator.  As Chris says belt loads may be greater as the flywheel on the generator will be driving the engine as it slows down between power strokes.  Could lead to some nasty belt slap.

A side note.
I just got a 6/1 a little over a week ago.  I bought the one that Troy, I believe also know as admin and rocket, was selling he, is about 170 miles from me.  I made him start it when I got there at 11:00 AM, temp was about 20°F but it had been down to about 0° that morning.:)  A little squirt of WD-40 into the intake as Troy was cranking it and it started right up.  I started it by my self the next day, still 20° but I cheated and put a burning propane torch into the lower coolant barb for about 5 minutes and then stuck the flame into the intake when I cranked it over.
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Andre' B.

357
Listeroid Engines / Re: Pulsating in singles cylinders.
« on: February 01, 2006, 11:26:50 PM »
Has anyone tried adding a flywheel to the generator?  Say a chunk of steel bar 10" diameter about 12" long, machine the pulley and a pocket for a taper lock bushing in one end to connect to the generator.  You would need a bearing on the other end to support the weight.  A flywheel at 1800 RPM is a lot more effective then one at 650 and being direct connected to the generator shaft would be better then on the engine with that rubber band between them.:)
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Andre' B.

358
Lister Based Generators / Re: Cogen would this work?
« on: February 01, 2006, 11:16:44 PM »
A 4500 watt 240 volt element will be 1125 watt if run on 120 volts.

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Andre' B.

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