View Full Version : Carbon push rod
Paul Herbert
Aug 26, 2003, 04:03 AM
Hi gang.......I use the 'Quick Uk' carbon push rod for my Rappie 50, while
doing some minor acrobatics, one of the aluminium end pieces 'failed',
(major upset followed). With this in mind I looked at the broken end and
where the Al. sheath joins the carbon rod it must have developed a stress
fracture, GRIEF.
So what I'm going to do is, do away with the Al. and carbon components, and
re-make it out of one piece of Titanium, but still keeping the two adjusting
end pieces, which will be far lighter and much stronger than the original.
Has any one else suffered with this problem?
Does anyone else want else want any b-spoke parts made?
Regards
Paul H
Philip Martin
Aug 26, 2003, 04:03 AM
"Paul Herbert" <paulherbert@clara.co.uk> wrote in message
news:1061801089.66066.0@despina.uk.clara.net...
> Hi gang.......I use the 'Quick Uk' carbon push rod for my Rappie 50, while
> doing some minor acrobatics, one of the aluminium end pieces 'failed',
> (major upset followed). With this in mind I looked at the broken end and
> where the Al. sheath joins the carbon rod it must have developed a stress
> fracture, GRIEF.
>
> So what I'm going to do is, do away with the Al. and carbon components,
and
> re-make it out of one piece of Titanium, but still keeping the two
adjusting
> end pieces, which will be far lighter and much stronger than the original.
>
> Has any one else suffered with this problem?
>
> Does anyone else want else want any b-spoke parts made?
>
Before you do that, talk to Quick about the problem. I've heard before that
they are very understanding about collateral damage.
Don't ask, don't get:o)
Phil Martin.
---
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david
Aug 26, 2003, 04:03 AM
>
> Does anyone else want else want any b-spoke parts made?
>
> Regards
>
> Paul H
Titanium pushrods???
YES! Costs?
>
>
Paul Herbert
Aug 26, 2003, 04:03 AM
If enough people are interested then it will bring the cost down, as
suppliers of titanium only like you to buy by the length(meters) I will not
charge for the machining as I would like to try new things out and get feed
back, the only cost will be the material and postage.
david <david_perry@btconnect.com> wrote in message
news:bidcod$snu$1@titan.btinternet.com...
>
> >
> > Does anyone else want else want any b-spoke parts made?
> >
> > Regards
> >
> > Paul H
>
>
> Titanium pushrods???
> YES! Costs?
> >
> >
>
>
Nick Bineham
Aug 27, 2003, 04:02 AM
I've not had this particular problem but have had various problems with
Quick upgrade parts- generally poor tolerances. Whilst Quick are
understanding it does not make up for time rebuilding etc.
Would be interested in parts dependant on cost. not just pushrods but boom
supports as well! Presumably titanium could be thinner than carbon.
Nick B.
"Paul Herbert" <paulherbert@clara.co.uk> wrote in message
news:1061801089.66066.0@despina.uk.clara.net...
> Hi gang.......I use the 'Quick Uk' carbon push rod for my Rappie 50, while
> doing some minor acrobatics, one of the aluminium end pieces 'failed',
> (major upset followed). With this in mind I looked at the broken end and
> where the Al. sheath joins the carbon rod it must have developed a stress
> fracture, GRIEF.
>
> So what I'm going to do is, do away with the Al. and carbon components,
and
> re-make it out of one piece of Titanium, but still keeping the two
adjusting
> end pieces, which will be far lighter and much stronger than the original.
>
> Has any one else suffered with this problem?
>
> Does anyone else want else want any b-spoke parts made?
>
> Regards
>
> Paul H
>
>
Steve Simpson
Aug 27, 2003, 04:02 AM
> So what I'm going to do is, do away with the Al. and carbon components, and
> re-make it out of one piece of Titanium, but still keeping the two adjusting
> end pieces, which will be far lighter and much stronger than the original.
You may find that titanium is not a better choice than carbon fiber for that application.
Titanium is however a better choice for the rod ends.
Avoid using CA to glue titanium ends on. A 30 minute or longer epoxy would be a much safer bet.
Paul Herbert
Aug 27, 2003, 04:02 AM
There will be no ends to glue, I'm going to tap M3 straight into the rod
itself, then use the threaded ends from Quick UK
Regards
Paul H
Steve Simpson <simpson34@coxpanties.net> wrote in message
news:UXN2b.24989$nf3.16794@fed1read07...
> > So what I'm going to do is, do away with the Al. and carbon components,
and
> > re-make it out of one piece of Titanium, but still keeping the two
adjusting
> > end pieces, which will be far lighter and much stronger than the
original.
>
> You may find that titanium is not a better choice than carbon fiber for
that application.
>
> Titanium is however a better choice for the rod ends.
>
> Avoid using CA to glue titanium ends on. A 30 minute or longer epoxy would
be a much safer bet.
>
>
>
Beav
Aug 27, 2003, 04:02 AM
"Steve Simpson" <simpson34@coxpanties.net> wrote in message
news:UXN2b.24989$nf3.16794@fed1read07...
> > So what I'm going to do is, do away with the Al. and carbon components,
and
> > re-make it out of one piece of Titanium, but still keeping the two
adjusting
> > end pieces, which will be far lighter and much stronger than the
original.
>
> You may find that titanium is not a better choice than carbon fiber for
that application.
>
> Titanium is however a better choice for the rod ends.
>
> Avoid using CA to glue titanium ends on. A 30 minute or longer epoxy would
be a much safer bet.
Steve, I understand that titanium and vanadium aren't happy bedfellows, but
I didn't know the CA was a problem with titanium (shouldn't that be
"titanum"? :-). Good to learn something like that though, what with CA being
the adhesive of choice for most uf use these days.
Cheers
--
Beav
Please note my E-mail address is "beavis dot original at ntlworld dot com"
(with the obvious changes)
Beavisland now lives at
www.beavisoriginal.co.uk
>
>
>
Steve Simpson
Aug 27, 2003, 04:02 AM
> > Avoid using CA to glue titanium ends on. A 30 minute or longer epoxy would
> be a much safer bet.
>
> Steve, I understand that titanium and vanadium aren't happy bedfellows, but
> I didn't know the CA was a problem with titanium (shouldn't that be
> "titanum"? :-). Good to learn something like that though, what with CA being
> the adhesive of choice for most uf use these days.
I don't know what the problem is with Cyanoacrylate, but it just doesn't seem to stick to
Titanium.
Interestingly, you can buy cookware coated with titanium for it's non-stick qualities . . . . if
you don't mind paying $100 for a pot.
Heavier than aluminum, very expensive and a general pain in the ass to work with, titanium is
usually relegated to only those applications where it's particular qualities are imperative . .
.. like push-rod ends.
Plain epoxy or one of the metal filled varieties (JB Weld, etc) are the only safe way that I
know of to bond Titanium to anything (on the hobby level). Scuffing up and cleaning the titanium
surface is a good precaution also.
Courseyauto
Aug 28, 2003, 04:02 AM
There was once a guy at our field that could repair an aircraft carrier with
pop sickle sticks and CA. He glued an XCell T/R drive shaft back together with
a piece of flybar and some JB weld.
Biggie in PA
Aug 28, 2003, 04:02 AM
Depends on which country you are in.
Just like Aluminum (ah-LOO-min-uhm) over here is Aluminium
(AL-luh-min-ee-uhm) over there.
--
Biggie in PA
sjg1958 at hotmail dot com
"Beav" <beavis.original@ntloxoworld.com> wrote in message
news:GkS2b.3061950$mA4.419009@news.easynews.com...
>
> "Steve Simpson" <simpson34@coxpanties.net> wrote in message
> news:UXN2b.24989$nf3.16794@fed1read07...
> > > So what I'm going to do is, do away with the Al. and carbon
components,
> and
> > > re-make it out of one piece of Titanium, but still keeping the two
> adjusting
> > > end pieces, which will be far lighter and much stronger than the
> original.
> >
> > You may find that titanium is not a better choice than carbon fiber for
> that application.
> >
> > Titanium is however a better choice for the rod ends.
> >
> > Avoid using CA to glue titanium ends on. A 30 minute or longer epoxy
would
> be a much safer bet.
>
> Steve, I understand that titanium and vanadium aren't happy bedfellows,
but
> I didn't know the CA was a problem with titanium (shouldn't that be
> "titanum"? :-). Good to learn something like that though, what with CA
being
> the adhesive of choice for most uf use these days.
>
> Cheers
>
>
> --
> Beav
>
>
> Please note my E-mail address is "beavis dot original at ntlworld dot com"
> (with the obvious changes)
>
> Beavisland now lives at
> www.beavisoriginal.co.uk
>
> >
> >
> >
>
>
Beav
Aug 29, 2003, 03:01 AM
"Courseyauto" <courseyauto@aol.com> wrote in message
news:20030827150335.16681.00000025@mb-m02.aol.com...
> There was once a guy at our field that could repair an aircraft carrier
with
> pop sickle sticks and CA. He glued an XCell T/R drive shaft back together
with
> a piece of flybar and some JB weld.
I know a guy who glued the pitch horn back onto the blade holder of an
X-cell 60 using CA. He flew it like that for months too. Not that *I*
would!!
--
Beav
Please note my E-mail address is "beavis dot original at ntlworld dot com"
(with the obvious changes)
Beavisland now lives at
www.beavisoriginal.co.uk
Beav
Aug 29, 2003, 03:01 AM
"Biggie in PA" <sjg1958@hotmail.com> wrote in message
news:LY93b.7607$zL2.6883@nwrdny01.gnilink.net...
> Depends on which country you are in.
It was a slight "in-joke" between me and Mr Simpson Biggie
> Just like Aluminum (ah-LOO-min-uhm) over here is Aluminium
> (AL-luh-min-ee-uhm) over there.
--
Beav
Please note my E-mail address is "beavis dot original at ntlworld dot com"
(with the obvious changes)
Beavisland now lives at
www.beavisoriginal.co.uk
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