D.-2.

4

Result of Testing Axles with a Ton Weight, &c.— continued.

l. Numbers of Axles Tested. 2. Brand on Axle. 3. Distance between Supports. 4. Height of Fall. 5. Number of Fall. 6. Deflection. 7. Character of Fracture. J. 2. Lancaster Wagon Company w ;» >! ), f 5 feet I \ i „ j „ axle turned, 180° I „ same position 1 foot 5 inches j? 1st 2nd 3rd 1st 2nd I inch 11 inch 1|inch Returned to J inch Broke K. 3 JJ )) >j )? » » »; f n I ;» » 1st 2nd 3rd 1st 2nd •j5 inch 1^5 inch, total 1-jf inch, total Returned to J inch Broke Crystalline in middle, white fibre, grey outerp; three curved cracks. )' n I ji K. 1 t) M )> 5) >» H Dunedin Axle j „ axle turned, 180° L „ same position f 5 feet n » :j 55 1st 2nd 3rd 1st 2nd 3rd 4th oth Oth 7th 8th 9th | inch If inch 2|inches Returned to 1-fj inch Returned to g inch inch below straight 1J inch below straight 3 1 inches below straight 5 inches below straight 7 inches below straight 9 inches below straight Broke Small crystals, white, part fibrous grey ,) I . » j» „ axle turned, 180° „ same position ;» )> )? )> n ,t 1) J n ■ I „ » 2 feet 2 feet 6 inches 3 feet 4 feet 5 feet 6 feet 7 feet All fibrous, grey. " 5, l „ axle turned, 180° K. 2 ?» »! .) f 5 feet -I „ I n 2 feet 3 feet 4 feet 5 feet 6 feet 1st 2nd 3rd 4th 5th 1^ inch 2|inches 4^ inches 7 |inches Broke Grey, fibrous !) Old S. W. & A. Co. I) !) 5) « 1) ;> ( » I I „ ,, axle turned, 180° „ same position i i - - M 5) M ;» 1 j „ axle turned, 180° 1 foot 3 inches 5, )» >> » 2 feet 2 feet 6 inches 3 feet 3 feet 6 inches 4 feet 4 feet 6 inches 5 feet 5 feet 6 inches 6 feet 6 feet 6 inches 6 feet 7 inches 7 feet 7 feet 6 inches 8 feet 7 feet 6 inches 1st 2nd 3rd 1st 2nd 3rd 4th 5th Oth 7th 1st 2nd 3rd 4th oth 1st 2nd 3rd 4th 5th J inch 1J inch, total 1| inch, total Returned to J inch Returned to j inch \ inch below straight 1^ inch below straight 2\ inches below straight 3^ inches below straight 5 inches below straight Returned to 2^ inches Returned to 1J inch Returned to 1 inch 2 J inches below straight '-4g inches below straight i Returned to 2J inches i | inch below straight 3-j^ inches below straight I 5J inchesbelow straight Broke after 2 foul blows H 1» 5 feet ?» n - n i „ axle turned, 180° W -) W - )■ )> » )t i „ Grey and fibrous. Wellington, 9th June, 1884. C. B. Knokpp, Ins] itinj Enj ineer.