I don't know how to post photos here...cannot seem to find out in faqs, etc.
So, I have posted a group of 4 photos at FLICKR.
--I hope that you all can see them.The photos are:1-PressureJet, http://www.flickr.com/photos/dbene/5015566287/
4-Spark-Fuel, http://www.flickr.com/photos/dbene/5015566299/PHOTO: Pressure Jet
Shows the profile of the JP-20 Pressure Jet
. The 2 D-Cell flaslight and the yard stick are in the photo to help give some idea of 'scale'.
This Jet Engine is about 32 inches in length; --Burn Chamber
is about 6" diameter; --Exhaust Tube
is about 3" diameter.PHOTOS: JetInTake1 and 2
Show the Conical Fuel Nozzle
supported by 3 sheet metal vanes welded to the Burn Chamber Inlet Orifice
The cone is threaded onto a 1/8" NPT pipe which extends about 8" toward the Exhaust Tube
, where it turns 90 degrees to exit the engine in order to be the Fuel Supply Inlet
The Burn Chamber
face of the Conical Fuel Nozzle
is drilled so that 3ea. 1/8" holes 120 degrees apart, and angled toward the sides of the Burn Chamber
, supply Propane (Gaseous or Liquid Propane) to the Burn Chamber
Shows the Fuel Inlet
(with a cut-off rubber hose attached), and a Spark Plug
screwed into a threaded insert near the start of the Exhaust Tube