Re: Re: Re: Glowplugs in diesel tractors...

Posted by Bob M on May 30, 2004 at 05:22:38 from (66.67.11.95):

In Reply to: Re: Re: Glowplugs in diesel tractors... posted by RAB on May 30, 2004 at 03:15:37:

John - Here's a few more to add to your list:

- Pneumatic motor start - An air motor replaces the electric starter. A large air tank supplies the air motor. Provides a quick start by spinning the crankshaft much faster than an electric starter. Starting tank is recharged from the air brake compressor. A local truck fleet here has bunch of 'em - they have a unique (and startling..) "zip" sound when they're started. Also certain Alco diesel locomotives were started this way.

- Hydraulic starter - Works similar to the pneumatic starter only the motor is hydraulic and pressure is supplied by a N2/oil accumulator tank. Accumulator is recharged by a small hydraulic pump after the engine starts. Only offered on 2 stroke Detroit diesels as far as I know.

- Direct air start - Sequencing valves supply timed air pressure pulses to several cylinders to roll the crankshaft. Used only on very large diesels (ship propulsion, etc).

To the best of my knowledge none of the above require glow plugs, ether injection, etc. They depend on high crankng RPM to assure reliable starting.

Follow Ups:

• Re: Re: Re: Re: Glowplugs in diesel tractors... Bob Clark 19:48:59 05/30/04 (0)

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