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« on: April 01, 2011, 03:42:17 PM »
AEROVISHWA
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regarding to the last post of discovery of the metal rods

http://www.rcindia.org/for-sale/snakes-throttle-linkage-and-landing-gear-strut/new/#new

there is yet a another discover done by me in the same industrial estate

its about the fiber glass cloth

found a shop who sells fiberglass cloth .

the varieties are:

1mm cloth ( also called as fiberglass paper)  :Rs:80/ sqft
2mm cloth ( woven fiberglass)  Indian Rupees 70/ sqft
3mm cloth ( woven fiberglass)  Indian Rupees 70/ sqft

can send if needed no packing charges shipping at actuals

can call me on 9738382454 if required  Salute Salute
« Last Edit: April 12, 2011, 08:57:51 AM by anwar » Logged

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« Reply #1 on: April 01, 2011, 03:45:19 PM »
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Hi,
If any person is interested in glass cloth or paper. check with the person who deals in duct Airconditioning. this material is used in the duct of the AC units, which runs inside the false celings of offices.

Sandeep
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« Reply #2 on: April 01, 2011, 03:47:52 PM »
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This a very generous gesture Vishvesh. I'll might need some, will get back to on this.
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« Reply #3 on: April 01, 2011, 08:38:09 PM »
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@sandeepm: i even checked that he even had that quality. it very soft and has more quantity of silk than glass.
the ones which i have mentioned are in equal proportion i myself have used them. more over i plan to make a mold from thermocoal and give him for molding to get a fiberglass plane and even will do the same thing with the wing Thumbs Up Salute Salute
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« Reply #4 on: April 01, 2011, 09:01:40 PM »
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the complete plane made of fiber glass is expected to cost around  :Rs:700-800 ( made at their workshop) without the accessories like the tank, wheel, and all....

will try to make a sport plane out of it and let u all know the whole plane will cost around  :Rs:2000 in form of ARF( all accessories included)
 Thumbs Up Salute Salute
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« Reply #5 on: April 02, 2011, 01:30:17 AM »
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Thats sounds great.. I am interested in a pusher trainer.. can you make one
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« Reply #6 on: April 02, 2011, 09:30:28 PM »
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Hi all,
guys pardon me for my ignorance but after pondring over a couple of threads on 'fibreglass' across various threads, i hav figured out following things-
-its lot more stronger than balsa, so an airframe made out of fibreglass dosen't needs any reinforcements
-its structural strength is a couple of times more than balsa or reinforced foam
-can be easily moulded into shapes
-is economic (as mentioned by Mr. Vivesh)
but what am unable to understand is-
-what about its weight (heavier or lighter than balsa)
-what building techniques are used (can an airframe be fabricated at home using this or some fancy stuff like injection moulding or vaccum forming is needed)
Regards
-Bilal
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« Reply #7 on: April 02, 2011, 09:44:46 PM »
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Guys am asking this coz m planning to scratch build a VTOL platform (inspired by the 'avatar scorpion gunship' ) that is self stabalised and can carry a camera payload. I think instead of building the airfrane out of balsa or reinforced foam, it would be better to mould it out of fibreglass (if thats possible to do at home coz i can't find any moulding shop that work with fibreglass here in sultanpur). So any help from the experienced members is highly appreciated
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« Reply #8 on: April 03, 2011, 03:14:05 PM »
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Hi I wanted to know is it as flexible (1mm) as cloth n if u want to make shapes or mold it can I mold it n do u also hav the adhesive to mold it into shapes. 
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« Reply #9 on: April 03, 2011, 05:38:22 PM »
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@ drrajdeepbrar: it is very flexible just as a cloth..... i dont know how they mold it but i know that you can apply arildite and stick it on the frame. keep the layer of arildite as thin as possible by using some water and squeezing out the excess

@Bilal : the fiberglass if properly fabricated can be as light as a balsa plane or even lighter than that but you need to have the skill and know the techinique of fiberglassing. And i have no idea how injection molding is done heard some one does it there... will see and try to get some GF propellers moulded

PS: person has asked me to get a mould of the fuse or the wing and he will give me a fiberglass fuse made from the mold ( i would give him some more  :Rs:s and keep the weight low)

even heard some one does it there... will see and try to get some GF propellers molded
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« Reply #10 on: April 03, 2011, 06:45:35 PM »
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Thanx do u hav photo of the product just need to see th quality of texture.
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« Reply #11 on: April 05, 2011, 04:40:32 PM »
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sorry i dont have it now.... will post in 2 days time....!!!  Salute Salute
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« Reply #12 on: April 11, 2011, 04:45:55 PM »
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some pics of the cloth
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« Reply #13 on: April 11, 2011, 05:35:10 PM »
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@ drrajdeepbrar: it is very flexible just as a cloth..... i dont know how they mold it but i know that you can apply arildite and stick it on the frame. keep the layer of arildite as thin as possible by using some water and squeezing out the excess



Can araldite be thinned by water? I do not think standard epoxy dissolves in water
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« Reply #14 on: April 11, 2011, 06:39:24 PM »
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And i have no idea how injection molding is done heard some one does it there... will see and try to get some GF propellers moulded

To the best of my knowledge GF propellers are usually glass filled plastic. They are not pure fibreglass.

The other products you are considering are fine. But do realise that propellers will have to be thoroughly tested over some time. A thrown propeller blade could have very nasty repercusssions besides being dangerous.
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« Reply #15 on: April 11, 2011, 06:55:22 PM »
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1mm cloth ( also called as fiberglass paper)  :Rs:80/ sqft
2mm cloth ( woven fiberglass)  Indian Rupees 70/ sqft
3mm cloth ( woven fiberglass)  Indian Rupees 70/ sqft
the rate seem rather high. it costs around $1:00 per metre square ie 10sq feet at hobbyking. and around $ 4:00 at tower per sq yard ie 9 sq feet.
Unless you meant sq metre and typed sq feet by mistake.
regards
Avijit
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« Reply #16 on: April 11, 2011, 08:51:34 PM »
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No, Araldite (epoxy) can not be thinned with water. Rapid epoxy can be thinned with meth, but it also makes it weaker 
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« Reply #17 on: April 11, 2011, 09:02:04 PM »
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I went to many f.g industry around in my town. The thing is that how a mold from thermocoal can bare the heat of epoxy used in f.g. .it cant be like that. They need mold of POP or  f.g it self. I am really intrested in making a f.g boat if any one has good ideas pl come up with it cz i have tried out with aradlite but didn't got nice result! Last option i thought is to make a wooden mold for f.g boat.
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« Reply #18 on: April 12, 2011, 08:05:05 AM »
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There is something called MRF epoxy thinner which should be available in automobile paint shops. it is used as a thinner for epoxy paints and works with araldite.
I use it to thin the araldite before painting the entire bare woodwork in a glow powered model to fuel proof it.
it costed me  :Rs:180 for 1 lit or 500ml i forgot which size i bought
regards,
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« Reply #19 on: April 12, 2011, 08:09:54 AM »
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I went to many f.g industry around in my town. The thing is that how a mold from thermocoal can bare the heat of epoxy used in f.g. .it cant be like that. They need mold of POP or  f.g it self. I am really intrested in making a f.g boat if any one has good ideas pl come up with it cz i have tried out with aradlite but didn't got nice result! Last option i thought is to make a wooden mold for f.g boat.
Try some of the moulding material used in dentistry.
They use the stuff to make moulds of teeth.
something called Alginate- the cheap variety costs  :Rs:180-200 per 1/2 kg.
should be plenty.
Maybe a professional dentist- someone who knows a dentist could enlighten us further
Before you coat it with araldite/ FG epoxy, rub it with 4-5 layers of carnuba car wax. This helps in releasing the mould at the end.
just a suggestion - i haven't tried it yet. but when i need to replace or built a cowl this is what i will use.
regards,
Avijit
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« Reply #20 on: April 12, 2011, 10:42:13 AM »
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Alginate is impression material used to copy teeth. N separating media can be used insted of wax.
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« Reply #21 on: April 12, 2011, 01:45:40 PM »
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@ PankajC : the arildite cannot be thinner than water but i used it as a comparison..... it will be something like the liquid in "gulab-jamun"  Drool....

@ sushil_anand: i spoke to the manufacturer he said around some time back(4-5yrs) he had done a GF prop used in a CESSNA / zenair (they probably use wooden... we have some army aviation unit planes here ) gonna get one done first even if it costs more... (the mold is gonna be made from the original masterairscrew ) the prop will gonna be properly balanced and will be tried and tested...... will let know the results.... Thumbs Up


@ avijit17basu  : the cost os the same that he told me.... even got it confirmed.... i guess there is some prob in customs(LHS cost more or they don't stock)....  and there is no personal profit in the stated cost.....


PS: the mold is gonna be made from thermocoal and then covered with fiberglass.... then it will be given for molding.... the dentistry material is costly and u need a lot of high precession tools to do it....
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« Reply #22 on: April 12, 2011, 01:55:24 PM »
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U can copy the plane with alginate n then pour plaster of Paris into the algina n make a mold. Then u can mild the fiberglass on it and remove the plaster if Paris mold.  Make sure u use some separating media between the plaster of Paris n fiberglass
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« Reply #23 on: April 12, 2011, 01:59:19 PM »
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actually i am gonna build a mold directly from cutting out templates by using the plan of the model.....  and thanks a lot for the help.... can u tell which store i can look for the stuff u mentioned and what exactly it is.... and how it works....Huh? Head Scratching Head Scratching  Salute Salute
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« Reply #24 on: April 12, 2011, 06:09:51 PM »
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Plaster of Paris is like 12-20 rs per kg and dental stone is much harder n just a bit more expensive. U ll get it at any place that sells dental instruments. Plaster is white n dental stone is green. IN belgaum ill get it easily next to the dental college n just find a first year dental student he'll tell u how to use it or chk out you tube.
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« Reply #25 on: April 13, 2011, 11:18:43 AM »
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Plaster of Paris is like 12-20 rs per kg and dental stone is much harder n just a bit more expensive. U ll get it at any place that sells dental instruments. Plaster is white n dental stone is green. IN belgaum ill get it easily next to the dental college n just find a first year dental student he'll tell u how to use it or chk out you tube.
I assume you are a dentist and have direct experience using these materials.
So you feel it is practical and cost effective to use these materials for aeromodelling. expecially to built some complex parts?
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« Reply #26 on: April 13, 2011, 11:32:13 AM »
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@ avijit17basu  : the cost os the same that he told me.... even got it confirmed.... i guess there is some prob in customs(LHS cost more or they don't stock)....  and there is no personal profit in the stated cost.....

I was not suggesting personal profit at all. maybe the material is thicker or something- you have seen it and you feel it is worth the price- so you are the best judge
regards,
Avijit
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« Reply #27 on: April 13, 2011, 12:29:54 PM »
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I hav made parts for my car like shock caps.
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« Reply #28 on: April 13, 2011, 06:24:22 PM »
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@avijit17basu: did not mean that....... !! itz of industrial quality.....

@drrajdeepbrar : will surely try it out....!!! thanks
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« Reply #29 on: April 15, 2011, 11:37:09 PM »
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Well these materials are used to make denture material and yes some dental prosthesis are made of die cast material. N the procedure is almost the same. And its quite strong n not too expensive.
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« Reply #30 on: April 15, 2011, 11:40:15 PM »
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I need to know if this cloth is transparent n weather it can be painted n a sample photo of the cloth or u dont have it yet.
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« Reply #31 on: April 16, 2011, 12:48:39 PM »
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i have the photo and have some problem uploading it....
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« Reply #32 on: April 16, 2011, 04:29:43 PM »
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Is it transparent. Like can v paint over it n apply decal sheets
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« Reply #33 on: April 16, 2011, 07:59:36 PM »
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what i did was epoxy the FG to the plane blow some hot air(from a hot airgun or hair drier) press out the excess arilditde and leave it to dry.....  once dried u can see the wood.... sand it with a fine emery paper and its as smooth as u want it...!!!
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« Reply #34 on: April 16, 2011, 08:38:13 PM »
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Yes thats the best way to do it. But arildite is pretty expensive for this, it'll be great if you can find some alternate epoxy for glassing.
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« Reply #35 on: April 16, 2011, 10:47:58 PM »
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Photo pls.
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« Reply #36 on: April 20, 2011, 03:47:25 PM »
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here u go...............

1mm.jpg
Re: Source for FIBER GLASS CLOTH
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« Reply #37 on: April 20, 2011, 03:54:46 PM »
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The 2mm woven looks good to me Thumbs Up
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« Reply #38 on: April 20, 2011, 04:04:38 PM »
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i did not buy the 3mm an thicker coz it would be of no use....!!!!
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Aerodynamics are for people who can't build engines.
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« Reply #39 on: April 20, 2011, 04:54:08 PM »
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Vishvesh,
did you check the weight per sq ft or sq mtr?
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« Reply #40 on: April 20, 2011, 04:57:16 PM »
tg
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Isn't FG cloth meant to be handled with gloves on and with a very good mask when sanded? The glass dust is pretty bad if inhaled.
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« Reply #41 on: April 20, 2011, 05:08:11 PM »
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I thought that was only true for carbon fiber  Undecided
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« Reply #42 on: April 20, 2011, 05:20:29 PM »
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Check this - http://www.airfieldmodels.com/information_source/how_to_articles_for_model_builders/finishing_techniques/apply_fiberglass_finish/index.htm
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« Reply #43 on: April 20, 2011, 05:30:30 PM »
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Damn Bang Head I've have been playing with glass cloth lately Bang Head
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« Reply #44 on: April 20, 2011, 05:37:48 PM »
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What were you doing with glass cloth?  Head Scratching
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« Reply #45 on: April 20, 2011, 05:45:42 PM »
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I was trying to make a fuselage Violent
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« Reply #46 on: April 20, 2011, 08:38:24 PM »
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i was dealing with glass cloth............. doesn't make much of a difference if u have epoxyed over the cloth............ ya it is dangerous if used improperly but in most cases its safe....... if u don't inhale it purposely  Salute Salute
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« Reply #47 on: April 20, 2011, 08:45:20 PM »
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@pankaj: i have checked the weight as well will do it and post if tomo......!!!!
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« Reply #48 on: April 20, 2011, 11:51:11 PM »
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Well I donít have much experience with fiberglass, but recently I completed a fiberglass boat. If you take the example of cement concrete, fiberglass plays the role of steel rod and resin as the cement. Fiberglass comes with different type (Tissue, matt & cloth). Preparing the resin is the tricky part. You have to mix 20~30% Accelerator(blue colour) in one liter resin, mix it well and then  hardener (colourless). Ask the seller for a correct mixture.  A direct mixture of both these solution ( Hardener + accl.) may create fire hazards, just keep them apart. If you want to make a mold from a master piece ( it can be balsa parts / Plaster of Paris/ plastic anything), you need Wax / PVA as the releasing agent.  
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« Reply #49 on: April 21, 2011, 10:48:37 AM »
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we use Araldite LY5052 and Ardur 5052 low viscosity epoxy ! its very rare in India and need some experience to deal with, we use different propotion's for diifferent applications and material!
and again its very costly because its aerospace standard ! there is saying in composites world "without making your hand dirty, you can't make composite part"
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« Reply #50 on: April 21, 2011, 10:52:53 AM »
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"there is saying in composites world "without making your hand dirty, you can't make composite part", very ture.
Resin will cost you Rs.50/- ~ Rs. 90/- max. per lit. The more quantity you purchase lesser the rate. What is the need of Araldite ( except applying on thermocoal)


And when you are in fiberglass everything become dirty yaar. Pants, shirts, table, chair everything and even my mustache also become fiberglass as I am a smoker and every time I take a puff of cig, bit of resin always stick there.
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« Reply #51 on: April 21, 2011, 12:05:24 PM »
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Resin will cost you Rs.50/- ~ Rs. 90/- max. per lit.
This is good. I am a total noob in this, last time i visited a hardware store asking for resin and hardener. He was like what are you talking about Undecided I ended up buying araldite standard. which is very expensive and very difficult to sand. Is there a local name for resin Huh?
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« Reply #52 on: April 21, 2011, 12:44:21 PM »
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And when you are in fiberglass everything become dirty yaar. Pants, shirts, table, chair everything and even my mustache also become fiberglass as I am a smoker and every time I take a puff of cig, bit of resin always stick there.
its a basic meaning sir but other part what i am trying to say is lots n lots n lots of wastage while making part, both in terms of fiberglass as well as epoxy!
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« Reply #53 on: April 21, 2011, 10:14:22 PM »
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SLS
If you found epoxy difficult to sand wait till you have to sand hardened resin. You will curse yourself
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« Reply #54 on: February 14, 2017, 09:08:45 AM »
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where can i buy fibreglass online ? can i get in hyderbad ? which resin should i buy for fibre glass please suggest me. Huh?
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« Reply #55 on: February 14, 2017, 11:55:18 AM »
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@tejadilip

http://www.vortex-rc.com/product-category/other-products/fiberglass-cloth/

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« Reply #56 on: February 14, 2017, 11:39:12 PM »
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where can i buy fibreglass online ? can i get in hyderbad ? which resin should i buy for fibre glass please suggest me. Huh?

You can contact Zenith industrial supplies. They are dealing various types of resin. I bought Araldite LY556 (resin) hardner HY951 Aradur for fiber glass application. It has gel time of 30 mins which is quite good and medium viscous. You can get the contact details in http://www.zenithindustrialsupplies.com/contactus.html

Send them your enquiry, they will send you a quote, transfer the money, you will get your parcel.
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« Reply #57 on: February 14, 2017, 11:45:37 PM »
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where can i buy fibreglass online ? can i get in hyderbad ? which resin should i buy for fibre glass please suggest me. Huh?

You can try vortex rc for quick delivery. Else look at it in aliexpress.com. Search for fiber glass cloth.

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