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« on: March 08, 2010, 07:17:05 PM »
dhirajjadhaodhiraj
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[Admin Note] This seller is reported as unreliable

hi
all my foamy friends. this is the end of your search for a material which is gold for all the foam lover ihave a great stock for white depron foam. i have it in following 3 thicknesses
1.3mm
2.8mm
3.12mm
 depron foam is the perfect combination of flexibility,strength,durability,light weight andwaterproof qualities
 and it's agreat material in rc plane construction it is easy to cut and lightweight than balsa and also cheaper than balsa.
anybody who is intrested in buying foam of any size just mail me on mail address below facility of delivering
it inside and outside maharashtra is available.
 for price details and if any query mail me with full ne and complete address where you want your foam.so get set go.you will get foam at cheapest rate. delivery charges will also be be included. i made a raptor 22 mpdel using foam iwill shortly uplodes it's pic's.

dhirajjadhao@gmail.com
contact:+919762520805
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« Reply #1 on: March 08, 2010, 08:25:24 PM »
anwar
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Please post details with pictures and prices. If it is a the real thing at the right price, it would be a very welcome thing here Smiley
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« Reply #2 on: March 09, 2010, 07:58:33 PM »
dhirajjadhaodhiraj
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Pictures...

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« Reply #3 on: March 09, 2010, 09:03:50 PM »
dhirajjadhaodhiraj
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Prices..

1.2mm Rs100
2.3mm Rs130
3.10mm RS 150

All sheets are available in 4feet *2feet.
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« Reply #4 on: March 09, 2010, 09:15:33 PM »
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what will be the cost of shipping?
i am interested in the 2mm sheets,need 2 of them
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« Reply #5 on: March 09, 2010, 09:26:04 PM »
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Hi Dhiraj,

Please do not mind if I am asking this question, since the surface seems to be wavey like a wire cut EPP and the edge is also seen not absolutely straight as a 4-5 mm depron is to be. further the thickness also does not seems to be constant as a depron sheet is supposed to be.

By the looks of it it looks like a hot wire cut high density EPP. Are you sure it is Depron?

regards

sandy

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« Reply #6 on: March 09, 2010, 09:26:35 PM »
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Dhiraj, please pardon me! but the last picture suggest that its Not D.E.P.R.O.N  - its not even Bio-Foam. The bend/crease by the weight of other sheet shows it is even softer and flexible than Biofoam. Depron is bit stronger (more compacted/closed chambered) foam than BioFoam.

I would request some senior to come up who has actually used both, whom dhiraj may send at least a A4 sized sample.

Many people have confessed that they have wasted money on wrong kind of foam.

<Sundar Beat me in posting same doubt by 20 seconds>  Giggle Giggle
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« Reply #7 on: March 09, 2010, 09:41:42 PM »
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Hi,
i too have these sheets with me and is Bio foam or Depron Only. the bend/crease is commonly seen in these sheets, but i confirm that these sheets are Bio foam only..but i think that these are little bit costly.....
Sandeep
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« Reply #8 on: March 09, 2010, 10:00:00 PM »
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It looks like Depron (Bio foam) alright. I checked out my sheets and they too have this strange optical illusion bars. However, when you hold it flat against the light, you see a very smooth surface.

Prices are way too high. I am getting 8 mm sheets 100 cm X 50 cm at Guwahati @ Rs.50/-

Regards,

VC
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« Reply #9 on: March 21, 2010, 03:57:43 PM »
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Don't you think the prices are a bit high? And is this real Depron or something else. What's the difference between Depron and Biofoam? Are they both the same?
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« Reply #10 on: March 21, 2010, 06:54:36 PM »
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the revised prices for biofoam are:↲2mm 80 rs.↲3mm 100 rs.↲10mm 120 rs.  ↲The prices of biofoam or u can say indian version of depron are high becouse of it's unavilabality  in india .↲therefore  this one of the reason .↲If u place ur order in bulk certain discount will be given
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« Reply #11 on: March 22, 2010, 11:06:37 AM »
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the revised prices for biofoam are:↲2mm 80 rs.↲3mm 100 rs.↲10mm 120 rs.  ↲The prices of biofoam or u can say indian version of depron are high becouse of it's unavilabality  in india .↲therefore  this one of the reason .↲If u place ur order in bulk certain discount will be given


Hmm.... talking more like a trader than a hobbyist
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« Reply #12 on: March 22, 2010, 11:22:48 AM »
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Nothing wrong with being a trader Smiley

PS: That is, as long as you don't claim to run an "open" forum in that disguise Giggle
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« Reply #13 on: March 22, 2010, 01:49:00 PM »
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PS: That is, as long as you don't claim to run an "open" forum in that disguise Giggle
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« Reply #14 on: April 14, 2010, 10:50:11 PM »
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I thought I had shared this info I came across some time ago.. here it is again;

EPP is different to Depron. Epp sheets are being sold at UK websites for £8.00GBP sterling per 1000 x 600mm sheet.
Whereas Depron is sold for approx £ 3  for a 2mm or 3mm sheet to £5 for a 6mm or 8mm sheet with discounts on bulk purchases.
If any one wants Depron, I can provide a few addresses who will sell bulk at wholesale prices. BEAR IN MIND... Carriage will be around £100 for a full box.
Ramesh recently paid 40 US Dollars for postage on 4 sheets I think.

What is Depron®  
Depron board is an extremely thin insulation sheet manufactured from fully recycled material, free from freon and halogen.  The sheet is produced from foamed polystyrene, a material that does not age. The cell structure in the sheet is built up of fine, closed cells that give it its excellent physical and mechanical characteristics.

The material in question that you guys are talking about is BIOPACK, I am certain. Till you have a Depron sheet, I think it is hard to tell the difference in photos.




CHECK OUT THE FOLLOWING LINKS WHEN U CAN;
http://www.miniwing.co.uk
http://spadslopers.com/Flik/index.html
http://www.spadtothebone.com/freeplans.htm
http://www.zip.com.au/~dazb/dAzi/dAzi.html
http://www.rcmodelflyers.co.uk/4um/index.php


Normally Depron comes in this type of Packing;
2mm white   60 sheets 1250 x 800 (60m²)
3mm white   40 sheets 1000 x 700 (28m²)
6mm white   20 sheets 1000 x 700 (14m²)

Adhesive   Water based adhesive without solvent






Depron.jpg
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« Reply #15 on: April 14, 2010, 11:37:08 PM »
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Bending Depron and cutting ribs from Foam..
 

WINGRIB TEMPLATES002#001.jpg
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« Reply #16 on: April 14, 2010, 11:41:19 PM »
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Home made jig for cutting foam;   
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« Reply #17 on: April 15, 2010, 02:51:04 AM »
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Can any one help in this query of mine  Help Me
How would you identify by looking at the materials  like blue cor fan fold foam , foam board and Epp and if any one knows the difference and whee i can find such material's in Mumbai please do let me know  Help Me
 Help Me Help Me Help Me Help Me Help Me Help Me Help Me Help Me Help Me Help Me
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« Reply #18 on: April 15, 2010, 02:56:52 AM »
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Re: about white depron foam now available at cheap rates 
these sheets looks like upholstery sheets i have brought these sheet's of 12mm  2feet long for rs 80
and they do look similar but im not sure the material posted by dhirajjadhaodhiraj
is depron im a newbie so i cant say much about the sheets that are posted on this blog ill add pics of upholstery sheet
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« Reply #19 on: April 15, 2010, 03:15:56 AM »
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pics of upholstery

Photo-0158.jpg
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« Reply #20 on: April 15, 2010, 09:05:22 AM »
anwar
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Why not try to build something out of it (possibly with tape to reinforce the outsides), and see how it fares ?  If it is harder than sponge (needs some pressure to bend etc), it should work Head Scratching
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« Reply #21 on: April 15, 2010, 12:29:30 PM »
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i have made a jet plane out of upholster sheet these sheets are spongy and with the help of glass fiber when applied on it becomes stiff and sturdy and these foams are cheap and locally available at all mattress stores and a carbon spar is a must for the wing span   
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« Reply #22 on: April 15, 2010, 12:40:04 PM »
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Rao876,

Could you please post some pictures of this plane that you have made out of upholstery foam? Also, please let us know her specs and how well she flies.

Thanks and Regards,

VC
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« Reply #23 on: April 15, 2010, 04:35:18 PM »
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Mr Rao, That is not depron, it is just packaging foam, Bio pack is much better.
It is stiff and you can build planes with it without having to use any covering or stiffeners. Yes wing support of carbon rod is always recommended to avoid wings folding by air pressure underneath and weight of plane against wind.

Biopack is a stiff sheet like a thin sheet of polystyrene/ thermocole. It does not bend that easily though it can be curved. You are in Mumbai, why dont you visit;
Mumbai Coroplast  dealer address;
All india plastics
20/22,mirza street,
off abdul rehman street,
Mumbai-03
phone no 23428096/23429540/23437750
get down at Masjid Station and walk towards the Road bridge (do not take bridge) under the bridge, take left, and at a distance of 5 Min............only. the shop is open till 9 PM.



buy good quality 6mm foam sheets in mumbai at;
DADAR!!. got 2 -3 shops....besides ideal book depot....very famous shop....name is ganesh book and stationary....you get 5 mm bio foam....dimensions are around 17.5 inches * 39.5 inches!!
And
Shriram Stationary Mart,
Shop 16, Radha Krishna Niwas,
Vachnalaya Marg, Dadar (W)
Mumbai - 400028
Ph. no - 022 24305982
Hi
all my foamy friends. this is the end of your search for a material which is gold for all the foam lover ihave a great stock for white depron foam. i have it in following 3 thicknesses
1.3mm
2.8mm
3.12mm
 depron foam is the perfect combination of flexibility,strength,durability,light weight andwaterproof qualities
 and it's agreat material in rc plane construction it is easy to cut and lightweight than balsa and also cheaper than balsa.
anybody who is intrested in buying foam of any size just mail me on mail address below facility of delivering
it inside and outside maharashtra is available.
 for price details and if any query mail me with full ne and complete address where you want your foam.so get set go.you will get foam at cheapest rate. delivery charges will also be be included. i made a raptor 22 mpdel using foam iwill shortly uplodes it's pic's.

dhirajjadhao@gmail.com
contact:+919762520805




Regards
Deepak

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« Reply #24 on: April 15, 2010, 05:12:21 PM »
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pic of sky jet V2

Photo-0136.jpg
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« Reply #25 on: April 15, 2010, 05:45:19 PM »
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Please can we have a better image... this is not clear at all.
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« Reply #26 on: April 15, 2010, 06:45:51 PM »
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sorry pic is removed from a vga camera i shall upload a good pic tomorrow

And the Sky jet v2 is my first plane so the plane may not look great but i shall again try to build it . At that time  i shall  give proper shape to it. i didn't even Bevel the surface next  time i shall make the same plane with proper shape and beveling the surface 
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« Reply #27 on: April 16, 2010, 04:57:33 PM »
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Hi guys,

I am no longer an active aeromodeller but here is few info which may be useful to you

Biofoam or Depron (whatever it is called) is available at Abdullatif habibhoy in Mumbai (Tel- 022 23401969, 23425314). They are biggest dealer of Thermacole in Mumbai and cheapest source of Biofoam. Pricing is 7-8/mm per sheet (means if you buy 5 mm sheet you pay 35-40). Please check up with dealer for current pricing.

Regular thermacole is EPS foam (expanded polystyrene) where as Depron is XPS (Extruded polystyrene). In india Biopac India Corp Ltd is the one who makes XPS foam and probably it is due to there name it is known as biofoam

Depron (or bluefoam) is availbale only thru Dow (american company, also in India)their brand name though is different. They have various foams (depron) which are mainly used in construction industry, insulation (sound & temperatur). You can see their products at http://building.dow.com/ap/in/prod/. they have a dealer in Malad who specialiase in sound proofing projects. I had contacted a guy there by name Datta who was quite helpful and gave me a sample. They have all thick sheets 25 mm being the thinnest and they sell in bulk ( and it is sold in meter cube, like timber). Price was about 12500/m3 + + + ( excise + VAT + Octroi) when i had interacted with him in 2009.

This blue foam was very stiff and had lot of strength when compared to India product.  

Thats all what i remember at the moment.

Thanks,

Hiren
9819929977

  

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« Reply #28 on: April 16, 2010, 05:32:50 PM »
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Flying Baba ki Jai Ho...
I like that name, as you have retired, who are you going to pass your name to Baba Ji. lol;)
Hiren, some research here buddy.. And thanks for sharing it with us all.

Any idea who is making EPP in India...

The blue foam you are talking about is definately not EPP as it is close structured insulation product used to insulate floors, normally 50mm thick sheets 8ft x 4ft  when doing foundations.

"Originally developed for motor vehicle and aerospace applications, EPP is impact resistant bead cell foam. With good memory effect due to the molecular structure, this material is excellent for crash / impact protection, used extensively in crash helmets, car bumpers, and aircraft cockpit.
EPP models are typically covered with cross weave and Coloured Tape, or a low temperature heat shrink covering.
EPP is not suitable for surfaces that you intended to sheet with balsa wood. Rigid EPS foams are better suited for covering with sheet balsa.
WORKING WITH EPP FOAM   To ensure a good adhesion to EPP always spray any foam surface with 3M-77 type Spray  Adhesive before applying coloured or cross weave tape. Or latex adhesive, this helps the tape to stick.  I even spray a light coat on the balsa elevons before applying coloured Tape.  After you apply any self adhesive tape to your model, take a credit card shaped piece of cardboard and smooth the edge from the middle to the edge.
Use it stick like a squeegee to iron out any remaining air bubbles and smooth the tape to the foam, then use a covering iron on the lowest temperature to iron down the sticky tape to the foam. Warning go gentle or you will warp the EPP. It only takes a few minutes to do this to a completed glider, and it really makes the whole covering job look great. It will also increase the efficiency of your model by making the smooth surface fly that much better.
GLUE’S COMPATIBLE WITH EPP FOAM   (ALWAYS TEST ON SCRAP BEFORE COMMITTING TO YOUR PROJECT) ; Foamsafe cyano (superglue) - latex based glue - uhu por-2 - part epoxy - hotglue gun. You can decorate with foam friendly felt tip pens and paints

RameshshowsEPPhowitcanbend&recover.jpg
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« Reply #29 on: April 17, 2010, 04:40:07 PM »
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Does any one know where to find EPP(Expanded Poly Propylene ) sheet's in MUMbAi  then i can make a bullet proof planes (just like Paul's plane from RC Foam Fighter's Blog)
and thank u Flying baba for the post, now i can go and buy some foams   Bow
Is there any company that would give a sample sheet of Epp foam or are there any site that would  sell a sample sheet of EPP foam at least i shall get a rough idea of how the sheet's are ?
« Last Edit: April 17, 2010, 04:46:45 PM by rao876 » Logged
 

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« Reply #30 on: April 19, 2010, 10:08:20 AM »
flyingbaba
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Hi guys,

well I have not retired yet from aeromodelling, may be bit lazy to fly models specially after Paragliding. flying_baba is my call sign while paragliding (not giving up my friend).  

@ b4ggu :- yes you are right blue foam is not EPP. EPP and XPS (blue foam) are completely 2 different products (different MOC). I dont know much about EPP except that it is widely used for cold insulation (AC ducts, and other industrial application). I have seen them on split AC ducting, they are white and black in colour, various thickness are available.

@ Rao :- You can get EPP at Mohammed Ali Road, road below J J Flyover (not sure of the road name) and couple of stores at Malad West on S V Road.

Thanks,

Hiren    
« Last Edit: April 19, 2010, 10:10:57 AM by flyingbaba » Logged
 

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« Reply #31 on: December 10, 2010, 07:27:22 PM »
dhirajjadhaodhiraj
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hello guys,
great news
for the order of depron sheets of any thicknesses more than 5 no. you will get 5% discount
on the cost of depron.this discount offer is valid upto 31st december.
sheets are available in following thicknesses:
1.2mm and 3mm for 100rs/sheet.
2.5mm for 120rs/sheet.
3.12mm for 180rs/sheet.
for ordering please contact on following details:
mob:+919730174303.
email:dhirajjadhao@gmail.com
or PM me.
thank you.
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« Reply #32 on: July 25, 2015, 06:03:39 PM »
kamalsahai
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i have seen template of ribs in photo. if i am not wrong, it is of iron,

how u made such exact template

kp
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« Reply #33 on: July 25, 2015, 07:47:43 PM »
b4ggu
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To all my friends "HAPPY LANDINGS"....



Hi Kp,
They are for WOT4 classic and Wot4 Mark 4 sweptback wing ; an aerobatic balsa and ply construction 40 size plane.

There are various sets of templates in the image. Some recent made out of aluminium sheets 3mm thick and some over 20 years old in steel...

The steel templates images were uploaded a few years ago. They were passed on to me by an engineer friend Brian Kettle.... May his soul RIP. He made thaem 10 to 15 years ago and gave them to me about 7 years ago..so they are over 20 years old.

3mm solid steel designed for ply and balsa built up wings. All one does is insert 1 1/2 inch or 40mm wide x 2mm thick balsa sheets into them and sand after cutting around them and the ribs are ready.
« Last Edit: July 25, 2015, 07:58:48 PM by b4ggu » Logged
 

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« Reply #34 on: September 20, 2015, 05:28:11 PM »
alok1992
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Ankur did u get foam sheets ??
I am in naini and i am planning too to build a model
I can buy all the electronics but can't find shops dealers retailers nearby to buy foam board
If you have any idea. Plzz recommend..
Or just reply at alok.jaiswal1992@gmail.com
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