Journal Royal Society N S.W Vol XXV. Plate HI 



Diagram ffl* 



Looking forward. 



Scale 



I 1 



5 - 61 



No. 13. 

 Diameter of the cylinders, it 25 ins. 

 Stroke 1-126 ins 



Valve cuts off air at -8 of strike. 

 Revolutions-, at ike rate ef. o67per min. 

 Hecetver pressure {initial} 27)0 lbs. 

 Reduced pressure AS Its 



Diameter of the screu/ 51-6 ins. 



• Pitch. Sft. 4ins 



Pitch anyle 45* 



A rea of the . tu/o blades 70 so. ins 

 Pro/ecled a.rea of one Hade 25 so: in 

 A rea of Mt body plane 292? jy. iris. 

 Mat area 20-5 fyft = 2952 So im 

 Area per llr. u/eigtkt 1029 5g ins 



Area lefore the centre of gravity 22-5 ft 



Weight of engine, receiver ft screu/ 

 Weight of lodg-plane 

 Balance u/eigfd under the lour 

 Listing weegfit 

 Charge of air 



Totat weight 

 Distance flown 

 time of flight 

 Revolutions of engine 



Speed. W-34r miles per hour 



Pl/orfr done 145 foot-pounds. 



Length, of tht receiver 4ft 7iin . 



Content ■0936cuM.k. = l6l$ad.ins 



Test pressure 440 lis. per sg. i?t . 



54 oz. 



8 oz. 

 2oz 



lOZ-. 



i-SfoT. 



i6--S6ax.. 



128 feet 



8 seconds 



49 



