RC India

RC Equipments => Tools, Materials and Building Techniques => Topic started by: K K Iyer on January 10, 2015, 09:26:44 PM

Title: Nose job
Post by: K K Iyer on January 10, 2015, 09:26:44 PM
How to beautify this ugly nose?
Title: Re: Nose job
Post by: K K Iyer on January 11, 2015, 01:44:14 AM
Aaah. Guess Saturday night is not the right time to ask for suggestions!
So trying on my own.
Template for front view cross section.
In card, then in balsa.
Title: Re: Nose job
Post by: K K Iyer on January 11, 2015, 01:47:41 AM
Then top view and side view templates
Title: Re: Nose job
Post by: K K Iyer on January 11, 2015, 01:50:51 AM
Then fill with foam and sand...
Hope it makes a good plug...
Title: Re: Nose job
Post by: K K Iyer on January 11, 2015, 02:10:58 AM
Hope the glass/epoxy cures...
Title: Re: Re: Nose job
Post by: sanjayrai55 on January 11, 2015, 06:12:08 AM
Brilliant! ;D
Title: Re: Nose job
Post by: K K Iyer on January 13, 2015, 12:02:33 PM
Two days soaked in thinner.
And the foam not melted even a bit  :headscratch:
No success with boiling water or hair dryer either.

Request suggestions.
Title: Re: Nose job
Post by: sanjayrai55 on January 13, 2015, 12:04:59 PM
Scrape out with a knife
Title: Re: Nose job
Post by: rastsaurabh on January 13, 2015, 01:57:01 PM
Hello Sir,

Which epoxy you use for Fiber glassing....?
Is some varnish also capable to be used as epoxy for Fiber glassing?

regds
Saurabh
Title: Re: Nose job
Post by: K K Iyer on January 13, 2015, 02:20:11 PM
Bob Smith Industries 20 min Finish Cure Epoxy from Hobbyking.
Also used Wonderwood PU from Asian Paints. Easier to use, but not as strong as epoxy.
For small parts you can use CA.

Though the cowl was unsuccessful, the canopy came out quite well!
Title: Re: Nose job
Post by: sahilkit on January 13, 2015, 03:55:51 PM
use petrol/acetone it will eat the foam away and why don't you build a vacuum bagging setup ?

Edit: Finish and weight will be much better.
Title: Re:
Post by: docnayeem on January 14, 2015, 09:28:35 AM
Great job Iyer sir....  I guess as said about acetone will be of help....  Hats off
Title: Re: Nose job
Post by: rastsaurabh on January 14, 2015, 01:50:15 PM
KK sir or simply look for a pet bottle ( pepsi / coke ) of right size..... you might get a perfect fit.

Secondly u can put it on the the Fiberglass nose you made, and use heat gun/ hairdryer... it will shrink a bit to right size...

Have a look at this to get some Idea....https://www.youtube.com/watch?v=Fuq6FwvY7gc (https://www.youtube.com/watch?v=Fuq6FwvY7gc)

hope it helps.

regds
Saurabh
Title: Re: Nose job
Post by: K K Iyer on January 14, 2015, 03:03:51 PM
@rastsaurabh,
Thanks.
The problem is my hairdryer is simply not hot enough.
Tried boiling water. It works, but have to make a new plug as this one is now too limp, having removed the foam core (finally) with a soldering iron!
Title: Re: Nose job
Post by: K K Iyer on January 14, 2015, 09:19:19 PM
New plug made.
Pet bottle loaded.
But,
Five minutes in boiling water could not shrink the Pet Bottle beyond this!
Title: Re: Nose job
Post by: ShantanuBorate on January 15, 2015, 11:59:01 AM
Hi, Heat gun will do the job in a minute. I am looking for fiberglass cloth in Mumbai, any idea where I will find one.