PRESIDKNTIAL AUDKllSS — SKtTIo.N A. Cnj 



Inspector of Machinery, 'llio compositicjn of this fuel, as given 

 in tlie patent specification, is as follows: — 



Ethyl Alcohol (C,H,()I[ ) 86 per cent. 



Sniphuric Ether lo ., 



Methyl . Alcohol (Cll.Oli) 2 



Benzol 2 



Comparative tests were made on a 15 h.p. petrol motor with 

 this alcohol fuel, and a standard brand of petrol, under exactly 

 the same conditions, the only difference being that a larger jet 

 was used in the case of the alcohol fuel, owing to the greater 

 consumption necessary to \ield equal i)ower; no structm-al alter- 

 ations were made to the motor. 



Fig. .4.2 show-^ a i)lioto<.;raph of the testing i)];int. The 

 relative iiroj)erties of the fitels are giveti in Table X\' : — 



. TABLE XV. 



.Specific gravity at 60° F. 

 Talorific value deter- 

 mined by direct expe- 

 riment (hig^her value) 

 I'ltimate analysis — 



Tarhon 



Hydrogen 



Oxygen 



Distillation 



Petrol. 

 (Pegasus Motor Spirit) 



Theoretical amount of 

 air required for com- 

 plete combustion of 

 lib. of fuel (by cal- 

 culation from analysis) 



Weight of (water) 

 steam produced by 

 complete combustion 

 of lib. of fucl(hv cal- 

 culation from analysis) 



.716 

 20,280 B Th U. 



84. ID % 

 14.74 % 



30°- 60^ 10 % 



60°- 70^" 12 % 



70°- 80° 12 % 



80°- 90" 18 % 



90°-ioo° 'i? '/' 



100° -no" 6 Sr 



Ii0°-I30° 15 % 



T30°-i4O° 5 % 



i4.W2lbs. 



1 .32661bs. 



Alcohol Fuel. 



.812 

 I2,c.^3 ]'.. Th. U. 



48.71 % 



11-93 % 



39.36 (by diff.) 



35°-6o° I % 



6o°-65° 7 % 



05°-7O° IS % 



70°-72° 17 % 



72'-76° S8 % 



Residue 2 % 



8.o861bs. 



1 .0737lbs. 



Table XVI. gives the results of the various tests, details 

 of which will be found in the appendix. 



