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Show January 1968 New UTAH FARM BUREAU Home-Heati- ng USDA Developed by What might well become a pop- system in the ular future is being developed by a U. S. Department of Agriculture scientist. Called a peripheral circulation system, it distributes and circulates only the desired amount of heat needed to keep a house comfortable. Preliminary testing by research engineer Jerry O. Newman of USDAs Agricultural Research Service indicates that this system is more economical to install and more effective to operate than most conventional home-heatihome-heati- ng ng systems. problems associated with and raconventional forced-a- ir diant systems are due to insufficient air movement and unequal air distribution. Mr. Newman's system forces all air in the house to move in a definite pattern that eliminates hot and cold spots. Air is forced first across a a conventional source or electric furnace, even gas, oil, stove or radiant heata and then throughout the er flow entire house in a pattern. Many heat-produci- pot-belli- ng ed well-defin- ed Heres how the system basic- ally works: A blower pulls both warm and cool air from all parts of the house into a central duct near the celling. Here the air is mixed to a uniform temperature and forced through a duct into a plenum; or crawl space. Air escapes from the plenum along the baseboards, enters the room, low-press- ure Page 7 NEWS System Scientist then slowly moves vertically up the walls and horizontally back towards the blower. Hlhest-veloc-i- ty air movement occurs near the ceiling, thereby preventing a buildup of stagnant air pockets. Since the air is distributed at a low velocity, drafts and dust deposits are kept at a minimum. Because warm air enters the room along the baseboards, there are no radiators to hamper furniture arrangements. Preliminary testing with experimental 1 -- story houses shows that the system can maintain temperatures within 5 F. degrees throughout the house within 2 F. degrees in individual rooms. Variations as large as 20 F. degrees between the floor and ceiling of a single room have been observed with some of the more expensive central heating systems. Tests also show that under normal living conditions, a peripheral circulation system can be incorporated in a 1 -- story house during construction for about $ 100 to $200. It may also be incorporated as part of an existing central-heatin- g system to improve circulation. The peripheral circulation system is especially suitable for houses with crawl spaces. Mr. Newman says the system can be recommended for use now, homes. particularly for low-co- st But more research is needed, he said, to refine components and to determine the system's applichomes and ability for multi-stor- y homes with basements. PLENUM WITH DISTRIBUTION REGISTERS FIGURE (7) a diagram showing how air is forced through a home in a conventional heating system. have an uneven flow of air, drafts, and varying temperatures. This is Rooms Purebred Sheep Breeder Wins Annual Award Nod Lee Jarvis of Palmyra, Utah was awarded the purebred sheep breeders award of the year at their annual meeting Thursday, Jan. 11. Mr. Jarvis is a breeder of purebred Suffolk sheep, maintaining 150 purebred Suffolk ewes on his 100-ac- re farm. In addition, Lee works at Pacific States Pipe Company. Mr. Jarvis is interested in sheep and has been on performance test with his ewes and rams for the past five years in cooperation with Utah County Extension Service. Mr. Jarvis replacement ewes have been selected on the basis of performance, and he keeps a close record of the performance of each ewe and ram. Mr. Jarvis is very active in the Purebred Sheep Breeders Association of Utah, and is currently serving as He is chairtheir Vice-Preside- nt. man of the Purebred Sheep Department for the Utah State Junior Livestock Show, and has shown sheep at the Utah State Fair, Utah State Jr. Livestock Show, Utah Suffolk Sheep Show and the Golden Spike National Livestock Show in 1967. Some of his winnings are: Open Class Champion Ewe and Reserve Champion Ram at the Utah State Suffolk Show First place pen of Suffolk rams and Reserve Champion ram at Utah State Fair. Land Law (Continued from page 2) categories of land is important to dependent upon state and federal the areas in which they are loaid. These land losses move ecocated. We suggest these managenomic activities into public ownment guidelines be used in policy ership and management which is a dangerous trend. We believe there are alternatives and some remedies to the problems created by land acquisitions by federal agencies. These include: Leasing of needed land. (2) Using less desirable land. (3) Encouraging development of recreation needs in the private sector of our economy. (4) Releasing of equal quality and acreage of public land with each acquisition of land from private ownership. (1) Land management and land development policies We recognize substantial acreage will remain in public ownership. Additional lands must remain in public ownership pending final disposal. The management and development of these two development: (1) Provide greater economic stability to dependent state and local industries. (2) Improve the watersheds to increase water production. (3) Improve roads, trails, game habitat, and desirable forage. (4) Increase the income to the local, state, and federal governments and local economies. (5) Develop land resources on sound economic basis for future national land needs of a rapidly expanding population. We propose a range improvement program to increase die desirable forage on most Western public ranges by fifty parent Special emphasis is given to increased responsibility of local government and local user groups. There are many logical reasons for the use of the public range by domestic livestock. Among these This is the peripheral heating system, anewhome heating concept developed by agricultural engineers. The system uses a blower to pull air of varying temperatures - - warm and cool - - from all parts of the house into a central duct near the ceiling. Here the air is mixed to a uniform temperature, then forced through the duct down to the crawl space - - called a low pressure plenum - - under the house. Air escapes from the plenum along the baseboards and slowly enters the room, then slowly moves vertically along the walls and horizontally back toward the blower. important reasons are the meat, wool, and other livestock product needs of a growing population, and the basic economic loss which would occur by reduction or elimination of the utilization of the grazing resources of the public ranges. These are valid reasons which are well understood by this Commission. A most important range management principle which is vital to this discussion, and often overlooked, is that proper domestic livestock grazing is an important part of good range management. Big game herds and domestic livestock complement each other in forage consumption. Range research makes it clear that the capacity of the public range can be increased by correct grazing practices and careful husbandry of livestock and big game herds. Knowledgeable range people agree that the desirable vegetation on most public ranges in the western public land states could conservatively be increased by fifty percent Users of the public range believe that current agency planning decision procedures appeals mechanisms can be improved through review and revision of policies and procedures. To develop more appropriate terms of use and a more favorable economic climate for range management and improvement we offer the following suggestions: (Continued on page 8) 7 'Hewt y Mnd t&e HOtc 'Ptoynaml That's all right, Mr. J. We can't expect everyone to get the message. But for your benefit we'll go over it again. As a Farm Bureau member you can buy tires at a substantial saving. Just go to your nearest Intermountain Formers plant, show them your membership card, pay them the special price for members and have them mounted on your car right there in one simple operation. They're top quality Unico tires with a d guarantee. You can pay less for cheap tires, but you can't get a quality deal like this anywhere else. Even a Jackass knows that. The tires? rock-ribbe- Utah Agricultural Marketing Association |