Australian Low Production Run or One Off I.C. Engines.

These are model engines that are manufactured in Australia, they could be a one-off engine or mass produced in very small numbers by individuals working from home or small business.
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This 5cc side-port diesel is the work of Tasmanian builder, Tony Gray. Tony likes big, old R/C models so he developed the engine to turn a correspondingly big prop, be easy starting, docile, and inexpensive. The forward located exhaust "T" allows the oily diesel exhaust to be easily pipes away from the airframe and the rear mounted throttle simplifies the linkage hookup. I like the practical prop retention screw too. Tony does his own castings in aluminium dies using recycled automotive…

This 5cc side-port diesel is the work of Tasmanian builder, Tony Gray. Tony likes big, old R/C models so he developed the engine to turn a correspondingly big prop, be easy starting, docile, and inexpensive. The forward located exhaust "T" allows the oily diesel exhaust to be easily pipes away from the airframe and the rear mounted throttle simplifies the linkage hookup. I like the practical prop retention screw too. Tony does his own castings in aluminium dies using recycled automotive…

This 5cc side-port diesel is the work of Tasmanian builder, Tony Gray. Tony likes big, old R/C models so he developed the engine to turn a correspondingly big prop, be easy starting, docile, and inexpensive. The forward located exhaust "T" allows the oily diesel exhaust to be easily pipes away from the airframe and the rear mounted throttle simplifies the linkage hookup. I like the practical prop retention screw too. Tony does his own castings in aluminium dies using recycled automotive…

This 5cc side-port diesel is the work of Tasmanian builder, Tony Gray. Tony likes big, old R/C models so he developed the engine to turn a correspondingly big prop, be easy starting, docile, and inexpensive. The forward located exhaust "T" allows the oily diesel exhaust to be easily pipes away from the airframe and the rear mounted throttle simplifies the linkage hookup. I like the practical prop retention screw too. Tony does his own castings in aluminium dies using recycled automotive…

This 5cc side-port diesel is the work of Tasmanian builder, Tony Gray. Tony likes big, old R/C models so he developed the engine to turn a correspondingly big prop, be easy starting, docile, and inexpensive. The forward located exhaust "T" allows the oily diesel exhaust to be easily pipes away from the airframe and the rear mounted throttle simplifies the linkage hookup. I like the practical prop retention screw too. Tony does his own castings in aluminium dies using recycled automotive…

This 5cc side-port diesel is the work of Tasmanian builder, Tony Gray. Tony likes big, old R/C models so he developed the engine to turn a correspondingly big prop, be easy starting, docile, and inexpensive. The forward located exhaust "T" allows the oily diesel exhaust to be easily pipes away from the airframe and the rear mounted throttle simplifies the linkage hookup. I like the practical prop retention screw too. Tony does his own castings in aluminium dies using recycled automotive…

This pair of Cox TD 09 Diesels is the work of Jon Fletcher (OZ). Jon lapped the bores to reduce taper to that acceptable for a diesel. That meant a new piston and conrod assembly. His first attempt used press fit spacers either side of the conrod up inside the piston but after bursting a piston on assembly, Jon changed to wire circlips made from 0.012" diameter piano wire as gudgeon pin retainers. Influenced by Alan Allbon designs, Jon set the pin low in the piston to give a good compression…

This pair of Cox TD 09 Diesels is the work of Jon Fletcher (OZ). Jon lapped the bores to reduce taper to that acceptable for a diesel. That meant a new piston and conrod assembly. His first attempt used press fit spacers either side of the conrod up inside the piston but after bursting a piston on assembly, Jon changed to wire circlips made from 0.012" diameter piano wire as gudgeon pin retainers. Influenced by Alan Allbon designs, Jon set the pin low in the piston to give a good compression…

This fine example of the Watson-Will Fig Tree Pocket Twin is the work of Don Brymer (Australia). The engine is as yet un-run due to Don's concern with the one-piece 4130 crank. A fabricated crank using hardened drill rod for the conrod journals. With a suitable jig for assembly, this sort of construction is an excellent idea for amateurs having no facilities for hardening, tempering, and subsequent grinding.

This fine example of the Watson-Will Fig Tree Pocket Twin is the work of Don Brymer (Australia). The engine is as yet un-run due to Don's concern with the one-piece 4130 crank. A fabricated crank using hardened drill rod for the conrod journals. With a suitable jig for assembly, this sort of construction is an excellent idea for amateurs having no facilities for hardening, tempering, and subsequent grinding.

This fine example of the Watson-Will Fig Tree Pocket Twin is the work of Don Brymer (Australia). The engine is as yet un-run due to Don's concern with the one-piece 4130 crank. A fabricated crank using hardened drill rod for the conrod journals. With a suitable jig for assembly, this sort of construction is an excellent idea for amateurs having no facilities for hardening, tempering, and subsequent grinding.

This fine example of the Watson-Will Fig Tree Pocket Twin is the work of Don Brymer (Australia). The engine is as yet un-run due to Don's concern with the one-piece 4130 crank. A fabricated crank using hardened drill rod for the conrod journals. With a suitable jig for assembly, this sort of construction is an excellent idea for amateurs having no facilities for hardening, tempering, and subsequent grinding.

This fine example of the Watson-Will Fig Tree Pocket Twin is the work of Don Brymer (Australia). The engine is as yet un-run due to Don's concern with the one-piece 4130 crank. A fabricated crank using hardened drill rod for the conrod journals. With a suitable jig for assembly, this sort of construction is an excellent idea for amateurs having no facilities for hardening, tempering, and subsequent grinding.

This fine example of the Watson-Will Fig Tree Pocket Twin is the work of Don Brymer (Australia). The engine is as yet un-run due to Don's concern with the one-piece 4130 crank. A fabricated crank using hardened drill rod for the conrod journals. With a suitable jig for assembly, this sort of construction is an excellent idea for amateurs having no facilities for hardening, tempering, and subsequent grinding.

"Hinds Twin" designed by Australian Stan Hinds, hence the name "Hinds Twin". it's a relatively simple and very practical engine to build, being based on commercial cylinder liner/piston assemblies—PAW 1,49cc units in this case. Les Stone completed this one in February 2004.

"Hinds Twin" designed by Australian Stan Hinds, hence the name "Hinds Twin". it's a relatively simple and very practical engine to build, being based on commercial cylinder liner/piston assemblies—PAW 1,49cc units in this case. Les Stone completed this one in February 2004.

"Hinds Twin" designed by Australian Stan Hinds, hence the name "Hinds Twin". it's a relatively simple and very practical engine to build, being based on commercial cylinder liner/piston assemblies—PAW 1,49cc units in this case. Les Stone completed this one in February 2004.

"Hinds Twin" designed by Australian Stan Hinds, hence the name "Hinds Twin". it's a relatively simple and very practical engine to build, being based on commercial cylinder liner/piston assemblies—PAW 1,49cc units in this case. Les Stone completed this one in February 2004.

"Hinds Twin" designed by Australian Stan Hinds, hence the name "Hinds Twin". it's a relatively simple and very practical engine to build, being based on commercial cylinder liner/piston assemblies—PAW 1,49cc units in this case. Les Stone completed this one in February 2004.

"Hinds Twin" designed by Australian Stan Hinds, hence the name "Hinds Twin". it's a relatively simple and very practical engine to build, being based on commercial cylinder liner/piston assemblies—PAW 1,49cc units in this case. Les Stone completed this one in February 2004.

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