THE WEATHER

Sun (Auckland), Volume IV, Issue 983, 28 May 1930, Page 2

THE WEATHER

TODAY'S OBSERVATIONS Meteorological observations taken at the Albert Park Observatory at 9 a.m. todav bv the Government Observer: — Barometer at 9 a.m. today. 29.812 m. Barometer at 9 a.m. yesterday, 29.934 in. Air temperature at 9 a.m. today, 53aeg. Air temperature at 9 a.m. yesterday, Temperature in shade yesterday Maximum, SSdeg, minimum 4baeg, maximum temperature in sun 119 deg. Bright sunshine yesterday, ohr 25min. Minimum temperature on grass, 42aeg. Direction and force of wind a.t 9 a-n.i., WNW 6 (strong breeze). Velocity wind previous 24 hours, 009 m Weather conditions at 9 a.m., cloudy. Humidity at 9 a.m., SS per cent. o Rainfall during previous 24 hours, m. Rainfall to date this month, 2.4&m. Average for May. 4.55 in. Days with rain this month, 13. NORTH ISLAND CONDITIONS Observations taken at 9 a.m. Station Wind Weather Bar Ther. Cape Maria V.D., WSW S, CQ 30.16 60 Russell, SE 5, C 29.99 56 Hokianga Heads, W 6, CPQ *£.o4 d 7 Kaipara Sig. Stn., W 6, BCQ 29.98 56 Manukau Heads, SW 6, OQ 29.96 »£ Auckland, SW 3, BC .. .. ~9.92 i>^ Tiritiri, W 5, BC ?•> Kawhia, WB, B C 1 Tauranga, W 7, Q -£-|l Opotiki, SW 1, BC .... 29.80 42 Thames, NW 3. O -- • * 29.8 Ssd East Cape, WNW 6, G .. 29. <3 ol Gisborne, NW 5, C - - - - 29.67 Cape Egmont, WSW 7, O -9.9- 56 Wellington, NW 5, BC .. .. 29.48 5Weather indicated by: B, blue sky, be the atmosphere clear or heavy; C, clouds, passing clouds; D, drizzling r u D V n »! foggy; G, gloomy, dark weather, H, hail, L, lightning; M, misty; O. overcast, the whole sky covered with thick ciouds. P, passing showers; Q, squally; R, ram continued rain; S, snow; T, thunder, U. threatening appearance; Z. hazy’.

HORORATA'S FUR

PULVERISED COAL SUCCESS New Zealand's shipping community !8 showing more than passing interent h the present visit to these water* or t£» New Zealand Shipping Company's steamer Hororata. The vessel arrived at Lyttelton on May 19 from Ixmdon, via Suva. She now has five of her six boilers equipped to burn powdered coa] on the Howder.-Buell system. The Hororata. is an 11,200-ton ship propelled by twin-screw quadruple-expansion engines, steam being supplied by six single-ended Scotch boilers. She was built on Q* Clyde by William Denny and Brothers, Limited, in 1914. Toward the end of ii?\ three of her boilers were fitted with How. den-Bueli equipment, and since that tixci she has covered 70,000 miles with great success. The first three boilers were equipped by R. and 11. Green and Pi]]«v Weir, Limited, who recently completed the new installation. In addition to fitting two more boilers with powdered coal burners, five coal pulverisers of the firm's new' ring and roller type have, been installed which are driven through clutches by a compound steam engine. It is interesting to note that these five pulverisers take up only the same space a* the three originally installed. In accordance with Board of Trade requirements, hand-firing has been retained on cut boiler which will serve as a donkey boiler and emergency unit. The new fuel mill requires only 9 to 13 b h.p. to drive it, or from one-fourth to one-fifth the power needed, say. two years ago, for driving the pulverising mills then used. An important feature of the installation is the four-way fuel distributor in which there are no working parts, the coal stream being divided by a series of adjuctable guide blades, while hinged flap valves are arranged, enabling any burner to be isolated from the system. The burners are very simple in design. High temperature air from heaters on the boiler fronts is introduced Into ih stream of primary air carrying the fa*! in such a way as to give a rotary mobon with an intimate mixture of air and fat and a short flame. With the exception c-f one or two electric motors used for driving the screening plant, steam engines and small steam turbines are used Ig. the pulverising mills and fans. Speaking a: a luncheon on board ft 3 Hororata in London, Mr. J.J Silley. chairman of R. and H. Green and Silley Weir, Limited, said the ship would make J«r first vovage with the new* equipment hit - ning on five boilers instead of the rr originally required. If the prices for co.i were taken into account, it was estimate , that the use of pulverised coal won c: mean a saving of about £5.000 a year tr. the working cost of the ship. Therejrj s also a smaller wage bill as the numb’ of stokers was reduced by 12 men. wnn regard to new ships, Mr. Silley express* <i the opinion that the time had now am*. when pulverised coal burning ships cc-c be built and engined at the same ?"i as an ordinary tramp steamer with nan< fired boilers. He was Prepared to offplants for ships of, say. 9.000 and 10J> tons, with engines of 2,000 to 3,000 hor»power, which would not involve the W owner in additional costs, and would «i----able him to take full advantage of d- ! big economies offered by pulverised coii-

WITHIN WIRELESS RANGE— Til© following' vesesls art expected s be within range of the u-ldermentfcniC wireless stations tonight: r;t Auckland. —Tofua. Ventura, Fresno l Canadian Victor, Ilvingtoi ' rev. Kent. Tainui, Ruahue CanaUjCommander, Cressington court, run Adelaide. Chatham Islands.—Tairoa. Wellington.— Maori. Wahine, Tamair - Arahurs. Kiwitea. Turaklt.a, <-»kaE*» Horda, Kalingo. Poolta, Karetu, Uu Pomare, Kaituna. Awarua.—Makura. Tahiti. Wsikssv Xarbada.