Post on 15-Jan-2016
transcript
HUMAN SUNDIAL – idea to realisationyour shadow tells time
How it works and how to make it yourself using our Layout Plan(download actual PowerPoint presentation for written explanations in slide
handouts)
Made by: Slaven Ličina, „Sunčani sat”www.suncanisat.com
CONTENT
1. About the project2. How Sunclock „works”?3. What’s „analemma”?4. Layout making process?5. How to make sunclock using our layout plan?6. How to determine „true north”?7. Measurements „on the ground”8. Finalize your project9. Info
TRUE SCHOOL PROJECT
•EKOLOGICAL•EDUCATIONAL•FUN•PRACTICAL•UNIQUE•PERMANENT•ACCURATE
How Sunclock works?• Earth around the Sun – changeable movement• „Sun” time = local time on the belonging meridian• „Zone” time = agreement made by man
Analemma – Sun „eight”
„Sun movement” on the sky throughout
year
„Copied” analemma on the date scale
Result of the layout making process
„DST” ring
„standard time” ring
Date scale – standing point depends on time of the year
Measurement point
How to determine „true North”?• First step when using our layout plan• Determine N-S direction using shadow
S
NS
N
string
string
boardboard
You get all data and detailed instructions within Layout Plan for this step.
Measurement point markingN-S
axis Y
Measurement point
E-Waxis X
Our sundial designs have simple instructions, plus all the exact dimensions needed, to create your own unique 'Human Sundial'.
„Ring” elements markingJedna
oznaka
x
y
y
x
Hour marking
You get exect measurements for every element within Layout Plan for this step.
Finalize your project
depends of wishes and possibilities...you choose about materials and technic used...
Finalize your project
The cheapest and the fastest way – just paint it on the school playground...
What you need to paint Sunclock on the hard surface?
All you need is shown here...
Done!!
Time spent: 4 hours
Done!
If you have more resources...
Izra
da: w
ww
.sun
cani
sat.c
om;
Slav
en L
ičin
a
...and ideas...
Izra
da: w
ww
.sun
cani
sat.c
om;
Slav
en L
ičin
a
...there is no limit!
Izra
da: w
ww
.sun
cani
sat.c
om;
Slav
en L
ičin
a
For additional info send question at info@suncanisat.com, or Facebook page „Sunčani sat – Human Sundial”.
Check out Sunclock design photos at www.suncanisat.com or Facebook.
For detailed explanations in slide handouts - download actual PowerPoint presentation