Don't see where you read gasoline anywhere in the posted URL!
This is from the posted thread,,,,,,,
The original Mills diesels were made in England in the period 1946-1971.
Like many other early diesels, the Mills design was based on the Swiss Dyno.
Three sizes were produced - 0. 75cc, 1. 3cc and 2. 4cc. The 0. 75 and the 1. 3 were revised after a few years and a number of detail changes were made throughout the years of production. The 2. 4 departed from the piston-ported layout of the smaller engines and used a rear, rotary disc-valve. Not a big seller, it was dropped after a few years.
The original 0. 75 and 1. 3 engines are believed to have been designed by A. Hardinge, who held dubious patents on the porting system. The 2. 4 and the revised . 75 and 1. 3 were designed by T. Wooderson, who later went on to become a celebrated flight deck design engineer with Bristol and BAe. Wooderson also designed a 0. 2cc Mills, which did not proceed past prototype stage.
Following the cessation of original production, the Mills designs were copied by a number of firms, both in England and overseas. An overview follows:
India:
Aurora (Ravi Kumar) produced the . 75 and 1. 3 diesels, later offering larger 1. 0cc and 1. 5cc versions. The 2. 4 was also produced. These engines were cheap and although variable, well-liked by many users.
England:
Irvine built Mills in both . 75 and 1. 3cc sizes. The 1. 3 and the Mk2 . 75 were re-designed as single ball race engines. All were superbly made and production ceased in the late 90s, following rationalisation of Irvine's engine range.
The Mills design was probably more expensive to produce than the larger glows, and although sold at a premium price, Irvine bean-counters won the day!
Attachport built a small number of 1. 3cc engines around 1983 and Derek Giles produced small quantities of beautiful Mills engines in a range of sizes from 0. 2 to 5. 0cc over the years, and probably still does.
Les Saxby, a highly skilled watchmaker, made a small number of 0. 13cc (. 008 cu in) Mini-Mills, which are sought after by collectors.
Russia:
The Russians were involved with the later Doonside engines (see below), but are best known for the 0. 25 and 0. 4cc Mills engines produced by VA (Valentin Aljoshin). These are still very popular and really started the trend to small diesel FF and RC models.
New Zealand:
A small number of 0. 75cc Mills were produced by H. P. Engineering in Lower Hutt.
Australia:
Commissioned by Ivor F (2001 ABC Eccentric of the Year and well-liked Aussie modeller), Gordon Burford and Co (Taipan) built around 1500 superb Mills . 075cc replicas in 1974. Produced in Mk1 and mk2 versions, these engines were made to the highest standards and are sought after today. The writer broke the Australian Power Scramble record with a Taipan Doonside Mills, as subsequently did many others! Gordon Burford rectified several annoying problems associated with the original English engines, notably providing positive liner location and a sensible means of retaining the tank bowl. Mk2 engines were sold with a variety of colored heads and were particularly attractive. Doonsides sold for A$12. 50 and were excellent value.
In later years, Ivor resurrected the Doonside Mills name and had 0. 75cc Mills engines produced in Russia (not by VA). These were of varying quality, those fitted with ABC p/cyl assemblies being particularly hard to handle. Many engines were re-fitted by Ivor in an attempt to rectify the problems, but the Russian engines were not well received. They are still available today from various sources and whilst called Doonsides should not be mistaken for the Taipan-built engines.
David Owen
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