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OVEN STOVE ABUOVEN STOVE ABUOVEN STOVE ABUOVEN STOVE ABU

RUB WITH HEATINGRUB WITH HEATINGRUB WITH HEATINGRUB WITH HEATING

SYSTEM UPSYSTEM UPSYSTEM UPSYSTEM UP----DOWN.DOWN.DOWN.DOWN.

3rdIndonesi

anScience

3rdIndonesi

anScience

3rdIndonesi

anScience

3rdIndonesi

anScience

From the results of experiments

conducted can be statedthatfor bakin

g

cakesandbreadsbyusingashstoveove

n

takesfasterthan conventional ovens and

microwavessothattheamountoffuelus

e

wasfarmoreefficienteventosave2-fold

,

sothatthe oven burner ash ofthesew

ill

help bolsterthe economy of society espe

-

ciallythebreadindustryMarosaroundou

r

neighborhood.

That's becausetop-down concept

ofheatingusedandtheadditionofashas

a heat insulator made a cake or quick

breadismorematureandcanshortenth

e

roastingtimeandcertainlycanusetosav

e

fuel,inthiscasetheuseofLPGgas.

DiscussionDiscussionDiscussionDiscussion

Conclusion & Suggestion

1. ConclusionFrom the analysis has been done, the writer can

draw the following conclusion: (1) As for how to make

oven stove ash is assumed to start from stage design

tools, discuss with a counselor, prepare materials

and equipment needed, plumb zinc sheets fit the

specified size, make and assemble the frame of the

oven, a gas channel, and compose or arrange them

in such a way as to be oven stove ash this. (2) The

comparative efficiency and effectiveness of fuel heat-ing stove oven is better than regular oven

(conventional) and microwave oven. Which is to mini-

mize burning oven up to 2 times faster, thus using

even more fuel-efficient 2 times the regular oven

(conventional) and microwave oven.

2. Suggestions2. Suggestions2. Suggestions2. Suggestions

Suggestions that can be delivered in this paper

include: There needs to be a dissemination of infor-mation to the public that this oven stove ash can use

to save fuel, liquefied petroleum gas in this case so

as to bolster the economy of society, especially the

bread industry Maros home. Besides, the need for

further research and improvements to this tool, like

adding a thermometer as a temperature indicator, or

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Senior High S chool 1 BULUKUMBASenior High S chool 1 BULUKUMBASenior High S chool 1 BULUKUMBASenior High S chool 1 BULUKUMBASOUTH SULAWESI SOUTH SULAWESI SOUTH SULAWESI SOUTH SULAWESI Bung Tomo street 28th BulukumbaBung Tomo street 28th BulukumbaBung Tomo street 28th BulukumbaBung Tomo street 28th Bulukumba

Sulawesi Selatan (0413)81053Sulawesi Selatan (0413)81053Sulawesi Selatan (0413)81053Sulawesi Selatan (0413)81053

M. Asfar SyafarM. Asfar SyafarM. Asfar SyafarM. Asfar Syafar

Nur. Insyani SyafarNur. Insyani SyafarNur. Insyani SyafarNur. Insyani Syafar

fuel,inthiscasetheuseo .

Whiletheviews ofthe efficiency

and effectiveness can be statedthatthe

oven stove ash has many advantage

s

when compared with conventional ove

n

(conventional) andmicrowave. Among

Oven ash is muchcheaperwhenviewe

d

from an economic point,thet

emperature

aroundthe oven is normal and does not

create a user swelter, distributing he

at

evenly, so it does not oblige usto rotate

d

pan.Andallowsustonotbothertobringa

stove and oven again, because it is de

-

signedinasingleappliance.

,adding a thermometer as a temperature indicator, or

by enlarging the capacity for accommodating an oven

can be used also by the industry big cake or bread.

2011

SOUTH SULAWESISOUTH SULAWESISOUTH SULAWESISOUTH SULAWESI

3rd ISPO3rd ISPO3rd ISPO3rd ISPOSENIOR HIGH SCHOOL 1 BULUKUMBASENIOR HIGH SCHOOL 1 BULUKUMBASENIOR HIGH SCHOOL 1 BULUKUMBASENIOR HIGH SCHOOL 1 BULUKUMBA

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BackgroundBackgroundBackgroundBackground.

The oven is onetool usedto bake bread,

cookies, cake, bakeries andsoforth.The

ovenisdivided into2kindsofConventional

Oven(regular)andmicrowaveoven,butboth

types ofovenhasaweakness.

The existence of government policyto con-

vertenergyfromkerosenetogasisapolicy

that is quite appropriate. Although gas pro-

duction in Indonesia are now also has en-

tereditsmatureperiodanddecreasedmore

quickly so it's important to be managed

properly.

Ruralcommunities,especiallywheretheau-

thor is domiciled has a culture to make

n cksorcakesatthemomenthaveacele-

Making Procedure

a)Equipment and materials

The tool used in the manufacture of oven

stove ash are: hammer, pliers, tin shears, electric

welding equipment, and electric drill. While the

materials used include: zinc-sized 1x1, 5 meters;

iron pipe 3 cm in diameter and length of 2 m; mor

20 pieces, iron along the 1 meter diameter 3 cm;

LPG gas regulator, and 3 kg LPG cylinders sold inthe market .

b) Making way

The means em-

ployed in making these tools

are: (a) first of all ingredients

are measured in accordance

with the desired size of zincmeasuring 96 cm x 108 cm,

which hereinafter folded 3 to

form the framework of the

inside of the oven (b) materi-

als such as zinc cut by using scissors and formed

-

Working Principle Oven Stove Abu Rub1.This tool has a combustion system for -

under which serves to accelerate the processso that pengovenan can use to save fuel, in thiscase the use of LPG gas.

2.At - first we connect the generator LPG

cylinder with an oven, then turn the gas controlequipment.3.Furthermore, over-light a fire under the

stove in the oven, the oven is ready for use.4.To change the desired heat oven to by

turning the gas control equipment, both aboveand below.

Table 1. Efficiency Test Results

ToolThe number of Weight / pieces Time roasted

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