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Opdrag 3:

LU/AS 1.10

Gebruik die skets as ‘n templaat en plak die bladsy op karton. Trek die vier vinne af op dikker, stewiger karton. Knip dit netjies uit. Vou die stippellyn om en plak die vinne onder om die bottel mooi ewe ver uit mekaar.

Opdrag 4:

LU/AS 1.10

Let wel:

Weet jy hoe om hierdie skets van ‘n vin op skaal/in verhouding te vergroot na ‘n vin van ± 20 cm?

  • Trek vierkante bo-oor die skets – vier in die breedte en agt in die lengte.
  • In hierdie geval is elke vierkantjie 5 mm by 5 mm.
  • Trek vierkante van 30 mm by 30 mm op ‘n A4-vel papier – vier in die breedte en agt in die lengte.
  • Trek dan die patroon op die groter blokke oor.
  • Nou het jy ‘n vin van ± 20 cm.

Opdrag 5:

Besluit watter tipe rompvin die geskikste is en maak ‘n duidelike vryhandskets van jul keuse

LU/AS 1.8

Opdrag 6:

Maak ‘n finale tekening (korrekte grootte en met besonderhede) van ‘n rompvin op ‘n vel papier, wat jul as templaat kan gebruik om op die dik karton of ander geskikte materiaal na te trek.

LU/AS 1.14

Opdrag 7:

Maak die romp van die vuurpyl deur die volgende instruksies te volg.

LU/AS 1.14

Instruksies

Knip een 2 ℓ bottel by die tweede lyn net onder die plakker middeldeur (Skets 1). Die deel wat die prop op het, gaan die boonste puntgedeelte van jou vuurpyl vorm. Die heel bottel met die opening ondertoe gedraai, vorm die onderste gedeelte van jou vuurpyl. Jy wil ‘n gewig in die boonste deel van jou vuurpyl hê.

Waarom?

  • Die vuurpyl is nie gebalanseer as die enjin in die onderste gedeelte is nie. Dit is die swaarste deel. Jy moet ‘n swaartepunt vind, sodat die massas weerskante eweredig versprei kan word.
  • Daarom is dit nodig om iets swaars in die boonste gedeelte van jou vuurpyl te plaas sodat die vuurpyl meer stabiel kan wees.
  • As die brandstof bykom, is die vuurpyl se onderkant nog swaarder.
  • As ‘n vuurpyl stabiel is, hou dit aan om vertikaal opwaarts te vlieg, sonder om om te tuimel en rigting te verloor.
  • Plaas dus ‘n paar groterige rivierklippies in ‘n banksakkie en plak dit stewig vas op die bodem aan die buitekant van die heel bottel wat onderstebo gehou word
  • Plaas nou die boonste deel van die deurgeknipte bottel bo-op en plak dit stewig aan die heel bottel met maskeerband/sterk breë kleeflint vas.

Opdrag 8:

Teken ‘n bo-aansig van die plasing van die vinne. Gebruik ‘n gradeboog en sakrekenaar vir die korrekte spasiëring.

LU/AS 1.14

Plak nou die vinne vas soos beplan. Nadat die vuurpyl voorlopig voltooi is, is dit nou nodig om die swaartepunt en drukmiddelpunt van jou vuurpyl te vind.

Assessering

Leeruitkomstes(LUs)
LU 1
Tegnologiese Prosesse en VaardighedeDie leerder is in staat om tegnologiese prosesse en vaardighede eties en verantwoordelik toe te pas deur gepaste inligtings- en kommunikasietegnologie te gebruik.
Assesseringstandaarde(ASe)
Dit is duidelik wanneer die leerder:
Ondersoek :1.3 ondersoek uitvoer deur middel van eenvoudige praktiese toetse met betrekking tot aspekte van die tegnologiese kennisvelde (Strukture, Verwerking, Stelsels en Beheer);
Ontwerp :1.7 minstens twee alternatiewe oplossings genereer en die idees annoteer;
1.8 moontlike oplossings kies, sinvolle redes vir keuse gee en ‘n gekose idee deur middel van grafika of modelleringstegnieke ontwikkel;
Maak :1.10 gepaste gereedskap en materiaal kies en gebruik om produkte deur middel van gepaste tegnieke te maak deur verskillende soorte materiaal akkuraat te meet, uit te merk, te knip/sny of te skei, te vorm of te vervorm, te heg, te las of saam te voeg, en af te rond;

Questions & Answers

how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Tegnologie graad 7. OpenStax CNX. Sep 10, 2009 Download for free at http://cnx.org/content/col11031/1.1
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