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« on: February 24, 2014, 05:12:51 PM »
Rajesh14305
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Can any one guess the material

20140224_171003.jpg
can anyone guess which material is it
* 20140224_171003.jpg (102.93 KB, 640x480 - viewed 294 times.)
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« Reply #1 on: February 24, 2014, 05:17:12 PM »
Rajesh14305
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This material is very hard.and light.but I was unable to cut it through hot wire
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« Reply #2 on: February 24, 2014, 05:38:13 PM »
madaquif
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looks like really High density thermocol.

I was wondering what was the temperature of the hot wire??
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« Reply #3 on: February 24, 2014, 06:11:05 PM »
shobhit17
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appears to be what they call as Blue or Green Thermocol.... very dense and behaves like balsa.... Where did you get it.... I been looking for it for some time... though I found some of it in Delhi.. I need more of it.
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Well I been into aeromodelling since I was in School....  had won the "WINGS Open" at "Bombay" (as it was known then) in 1985 for control line aerobatics (was doing my graduation at that time) and had received a big gold trophy....  Mr Bhivandiwala organised it and gave good awards.
Our team had won the following medals:-
1.   Gold for Control Line Aerobatics
2.   Silver and Bronze for Control line speed
3.   Bronze for Free Flight Glider
Sharma Models helped us train to win the medals
 

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« Reply #4 on: February 24, 2014, 08:01:22 PM »
Rajesh14305
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I got it from a airtel tower instrument depot my brother works there
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« Reply #5 on: February 24, 2014, 08:12:53 PM »
VC
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Rajesh, could you please ask your brother what it is used for? We could, perhaps, draw some leads from that. A few better pictures would also help.
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« Reply #6 on: February 24, 2014, 08:24:44 PM »
Rajesh14305
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It is used for packing and transporting the tower instrument. It is very hard to touch.I tried to burn a little sheet.it gave a cracking sound
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« Reply #7 on: February 24, 2014, 08:32:37 PM »
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Rajesh, if I am not mistaken, that is styrofoam. However, please check the temperature of your cutting wire. It should be able to cut this material easily. Try cutting off a small piece with a knife heated on a flame - it should be easy.

If it is Styrofoam, congratulations, you've found yourself a gold mine!
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« Reply #8 on: February 24, 2014, 08:38:28 PM »
Rajesh14305
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I have a shee as adoor of this material
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« Reply #9 on: February 24, 2014, 08:47:38 PM »
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Here is picture

20140224_202807.jpg
Re: can anyone guess which material is it
* 20140224_202807.jpg (29.52 KB, 640x480 - viewed 218 times.)
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« Reply #10 on: February 24, 2014, 08:52:19 PM »
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If it is Styrofoam, congratulations, you've found yourself a gold mine!
VC sir,
Some of the stationery shops in Kuwait sells Styrofoam boards which are available in 25mm and 50mm thick. Size could be around 1000mm x 750mm. Price around 300 Rs.
Manufacturer of this products are
http://www.esscofoam.com/index.htm
http://www.isofoamkw.com/index.htm
If required I will go to the shop and take some photographs and post it.
Also, If this boards are really useful for the modellers I could work out something.
May I ask your opinion whether this foam and the material inside foam boards in India is same ?
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« Reply #11 on: February 24, 2014, 08:56:07 PM »
Rajesh14305
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I have 7cm thick board
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« Reply #12 on: February 24, 2014, 09:12:53 PM »
madaquif
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Rajesh....are you sure its 7 cm Huh??

70  mm.....GOD what all can I make with it  Drool Drool Drool
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« Reply #13 on: February 24, 2014, 09:19:11 PM »
Rajesh14305
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Yes it is 7 cm thick
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« Reply #14 on: February 24, 2014, 09:22:16 PM »
madaquif
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LUCKY YOU  RAJESH,


try to raise the temp of the hot wire....u should be able to carve beautiful models of this sheet......GUD LUCK Thumbs Up Thumbs Up
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« Reply #15 on: February 24, 2014, 09:27:08 PM »
Rajesh14305
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This is the wing made from the material

1393257263621.jpg
Re: can anyone guess which material is it
* 1393257263621.jpg (26.96 KB, 640x480 - viewed 201 times.)
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« Reply #16 on: February 24, 2014, 09:35:59 PM »
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This stuff is light but brittle and will need some protection around leading edges. Can be sanded into beautiful fuselages if you have the patience and carved into wings using hot wire.

Rcparkjets - I know, my stock came from the middle east and I have a few sheets of 25 mm and 50 mm lying around. No it isn't the same as what is sandwiched inside the dollar foam boards. That is more like depron. Less dense, easier to work with.


Rajesh - did you make that wing just now?
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« Reply #17 on: February 24, 2014, 09:39:38 PM »
Rajesh14305
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I made it this after noon.can u give me plan for fuselage
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« Reply #18 on: February 24, 2014, 09:41:02 PM »
Rajesh14305
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 I am using favicol  thin coating over it
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« Reply #19 on: March 05, 2014, 05:31:51 PM »
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Well this material is PUF used for insulation and packing.... I got a sample of it from friend Rajesh.... It cuts well with a knife and appears to hold its integrity under a sanding block.  Should be ok... as a trial have asked him to send me a few pieces... 2 ft x 1 feet x 7 cm........... Lets see how does it go.
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Well I been into aeromodelling since I was in School....  had won the "WINGS Open" at "Bombay" (as it was known then) in 1985 for control line aerobatics (was doing my graduation at that time) and had received a big gold trophy....  Mr Bhivandiwala organised it and gave good awards.
Our team had won the following medals:-
1.   Gold for Control Line Aerobatics
2.   Silver and Bronze for Control line speed
3.   Bronze for Free Flight Glider
Sharma Models helped us train to win the medals
 

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