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date: Fri, 27 Jun 2008 20:27:36 +0100,    group: uk.rec.engines.stationary        back       
OT Pulse Jet   
Well it's an engine and it's currently stationary....

I had a go at getting a dynajet pulse jet going today.  I've been using a 
stirrup track pump as the air supply and a bladder fuel tank to store and 
supply the petrol.  To ignite the fuel air mix my playmates heated the tail 
pipe to cherry red while I pumped air through.  There were a few encouraging 
pops and a split second howl but no lasting joy.

We upped the air supply by using a compressor to deliver air but it had the 
effect of cooling the tail pipe too much.

I do have a set of coils and trembler/ccircuit breaker thingy but didn't 
want the hassle of having to find it and source a 12V battery.

I've seen pulse jets started by the heated tail pipe method before and I've 
seen grown men reduced to tears trying to get their pulse jets on their 
control line aeroplanes fired up using spark plugs and blow lamps at the 
Nationals at barstone Heath.

Any tips folks?
date: Fri, 27 Jun 2008 20:27:36 +0100   author:   vernon

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