Quantcast

Kevlar protection tube

The Rocketry Forum

Help Support The Rocketry Forum:

Woody's Workshop

Well-Known Member
TRF Supporter
Joined
Aug 3, 2011
Messages
4,288
Reaction score
189
Location
Reed City, Michigan (Lower)
Several of the builds I'm finishing up that I started 5 years ago before I lost my house... I tied Kevlar around the engine mount.
With the intention of putting a swivel at the end below the end of the air frame, and using elastic above that to the nose cone on a snap swivel.
I am wondering how long the Kevlar will last before it's charred, gets brittle and breaks.
I was thinking of using some 1/8" launch lug tube glued to the inside of the air frame to run the Kevlar threw.
I've got 12" long sections, probably from Semroc before Randy bought Semroc, that I was thinking on using.
Not sure how fire proof it is, but I could always coat it a few times with wood glue before mounting it inside the air frame.
Any one try this before?
Any and all thoughts on this are appreciated.
 

redleder

Well-Known Member
Joined
Feb 14, 2017
Messages
117
Reaction score
0
I would think unless Kevlar is abused or under high heat/UV conditions it would be stable for many, many years. Probably best to contact manufacture and see about shelf life.


Sent from my iPhone using Tapatalk Pro
 

markkoelsch

Well-Known Member
Joined
Mar 18, 2009
Messages
4,364
Reaction score
148
No need to protect the Kevlar. I have some 1/8" tubular that I have used for 10-11 years, and I decided to replace it then. Not for any other reason than I was doing it for another rocket.
 

AfterBurners

Well-Known Member
Joined
May 8, 2012
Messages
7,740
Reaction score
424
Location
Dallas Texas
Several of the builds I'm finishing up that I started 5 years ago before I lost my house... I tied Kevlar around the engine mount.
With the intention of putting a swivel at the end below the end of the air frame, and using elastic above that to the nose cone on a snap swivel.
I am wondering how long the Kevlar will last before it's charred, gets brittle and breaks.
I was thinking of using some 1/8" launch lug tube glued to the inside of the air frame to run the Kevlar threw.
I've got 12" long sections, probably from Semroc before Randy bought Semroc, that I was thinking on using.
Not sure how fire proof it is, but I could always coat it a few times with wood glue before mounting it inside the air frame.
Any one try this before?
Any and all thoughts on this are appreciated.
Actually sounds like a great idea, but I would probably use something like epoxy or JB Weld if I were to coat it, or spray the inside with that grill paint perhaps? Never tried it before, but I hear it works well.
 
Top