Ball Links & Carbon Fiber tail link

[Thomas Murphy]

What are the best ball links to use, since Rocket City are no longer
available?

What is the best way to assemble a carbon fiber tail link? Best to epoxy
the ball link directly into the carbon fiber arrow shaft or make up an
adaptor to fit into the shaft and thread the adaptor with M2 threads for the
ball link?

Thanks,

Tom

[Beav]

"Thomas Murphy" <tfmurphy@charter.net> wrote in message
news:10ip0k089o74e56@corp.supernews.com...
> What are the best ball links to use, since Rocket City are no longer
> available?

Robbie (Schluter) Miniature Aircraft, (which are about as direct a copy of
schluters as it's possible to get without infringing copyright) and a whole
raft of others these days. They're all pretty good.
>
> What is the best way to assemble a carbon fiber tail link? Best to epoxy
> the ball link directly into the carbon fiber arrow shaft or make up an
> adaptor to fit into the shaft and thread the adaptor with M2 threads for
the
> ball link?

Make an adaptor so allow for some adjustment. most push rod kits for tail
rotors include all the necessary hardware, but an alternative is to epoxy a
3mm bolt into the carbon tube and bore out the ball link shank to accomodate
the 3mm thread. (Cut the bolt head off first though, it makes it SO much
easier to get it into the tube that way:-)


--
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

[rokman]

The instructions with the carbon fiber tail pushrod kit I got comes with
threaded inserts for the ends and says to use JB weld to hold them in. I
have been using this setup for over a year with no problems.

"Beav" <beavis.original@ntloxoworld.com> wrote in message
news:10ip9fm7ba5oe04@news.supernews.com...
>
> "Thomas Murphy" <tfmurphy@charter.net> wrote in message
> news:10ip0k089o74e56@corp.supernews.com...
> > What are the best ball links to use, since Rocket City are no longer
> > available?
>
> Robbie (Schluter) Miniature Aircraft, (which are about as direct a copy of
> schluters as it's possible to get without infringing copyright) and a
whole
> raft of others these days. They're all pretty good.
> >
> > What is the best way to assemble a carbon fiber tail link? Best to
epoxy
> > the ball link directly into the carbon fiber arrow shaft or make up an
> > adaptor to fit into the shaft and thread the adaptor with M2 threads for
> the
> > ball link?
>
> Make an adaptor so allow for some adjustment. most push rod kits for tail
> rotors include all the necessary hardware, but an alternative is to epoxy
a
> 3mm bolt into the carbon tube and bore out the ball link shank to
accomodate
> the 3mm thread. (Cut the bolt head off first though, it makes it SO much
> easier to get it into the tube that way:-)
>
>
> --
> 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]

"rokman" <rokman@bellsouth.net> wrote in message
news:%_2Yc.38247$cx.22783@bignews4.bellsouth.net.. .
> The instructions with the carbon fiber tail pushrod kit I got comes with
> threaded inserts for the ends and says to use JB weld to hold them in. I
> have been using this setup for over a year with no problems.

I don't think the OP was talking about "kits" as such, more along the lines
of making up a "custom" linkage. His mention of arrow shafts negated a
commercially available kit.


--
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

[Thomas Murphy]

I was reading Ray Hostetler's book where he mentions using a carbon fiber
arrow shaft to make a tail linkage. Since Beav's post I have found the kits
at HeliProz and Rick's RC and am considering them, as the kits use ~5mm tube
whereas the arrow shafts are larger diameter.

I am rebuilding a Nexus with several new upgrades such as using a tail boom
mounted servo mount from a Kyosho Caliber, and using a Futaba GY401 gyro
with 9253 servo. Since using the nice Futaba setup I wanted a smoother
linkage to the tail and originally considered cutting back the wire,
threading the end and mounting a ball link. However this still would leave
a lot of binding through all the guides and a lot of flex. Thus studying
up in Ray's book has lead me down the carbon fiber path. Besides the Nexus
bashing do you have any other suggestions? As this is my first heli and am
just learning I don't mind the limitations of the Nexus. Rather learn on
something I don't mind breaking!

Thank you for your responses!

Tom

"Beav" <beavis.original@ntloxoworld.com> wrote in message
news:10j23op7ildbj0a@news.supernews.com...
>
> "rokman" <rokman@bellsouth.net> wrote in message
> news:%_2Yc.38247$cx.22783@bignews4.bellsouth.net.. .
> > The instructions with the carbon fiber tail pushrod kit I got comes with
> > threaded inserts for the ends and says to use JB weld to hold them in.
I
> > have been using this setup for over a year with no problems.
>
> I don't think the OP was talking about "kits" as such, more along the
lines
> of making up a "custom" linkage. His mention of arrow shafts negated a
> commercially available kit.
>
>
> --
> 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]

"Thomas Murphy" <tfmurphy@charter.net> wrote in message
news:10j6cdrmb1nin93@corp.supernews.com...
> I was reading Ray Hostetler's book where he mentions using a carbon fiber
> arrow shaft to make a tail linkage. Since Beav's post I have found the
kits
> at HeliProz and Rick's RC and am considering them, as the kits use ~5mm
tube
> whereas the arrow shafts are larger diameter.
>
> I am rebuilding a Nexus with several new upgrades such as using a tail
boom
> mounted servo mount from a Kyosho Caliber, and using a Futaba GY401 gyro
> with 9253 servo. Since using the nice Futaba setup I wanted a smoother
> linkage to the tail and originally considered cutting back the wire,
> threading the end and mounting a ball link. However this still would
leave
> a lot of binding through all the guides and a lot of flex. Thus studying
> up in Ray's book has lead me down the carbon fiber path. Besides the
Nexus
> bashing do you have any other suggestions?

First of all, anyone who Nexus bashes doesn't have a clue. It was designed
to do a job and it did it very well IF it was built properly, but being
aimed at the first timer, plenty of them aren't/weren't and it got an
undeserved bad reputaion. I've flown many a Nexus with nary a single problem
and I've flown others that were absolute dogs, BUT, I can say the same thing
for a lot of other heli's too. It was also never designed for 3D, but people
WANTED it for that and were disappointed when it didn't hold up under the
stress.

Now to suggestions. Make sure there's NO slop or play in the scissor arm
mixers (just above the swashplate) and if it doesn't have the ball bearing
version, try to track a set down and fit 'em. Same thing with the pitch
slider: no play in it and no slop. Don't overtighten the tail rotor
bellcrank on the gearbox either.

Other than that, and your carbon push rod with boom mounted tail rotor
servo, get flying it:-)


--
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

[Thomas Murphy]

Sorry Beav, the Nexus bashing was not directed at you! Thanks for your
comments, and I will have it up and flying soon.

Tom

"Beav" <beavis.original@ntloxoworld.com> wrote in message
news:10j72fim7t2f134@news.supernews.com...
>
> "Thomas Murphy" <tfmurphy@charter.net> wrote in message
> news:10j6cdrmb1nin93@corp.supernews.com...
> > I was reading Ray Hostetler's book where he mentions using a carbon
fiber
> > arrow shaft to make a tail linkage. Since Beav's post I have found the
> kits
> > at HeliProz and Rick's RC and am considering them, as the kits use ~5mm
> tube
> > whereas the arrow shafts are larger diameter.
> >
> > I am rebuilding a Nexus with several new upgrades such as using a tail
> boom
> > mounted servo mount from a Kyosho Caliber, and using a Futaba GY401 gyro
> > with 9253 servo. Since using the nice Futaba setup I wanted a smoother
> > linkage to the tail and originally considered cutting back the wire,
> > threading the end and mounting a ball link. However this still would
> leave
> > a lot of binding through all the guides and a lot of flex. Thus
studying
> > up in Ray's book has lead me down the carbon fiber path. Besides the
> Nexus
> > bashing do you have any other suggestions?
>
> First of all, anyone who Nexus bashes doesn't have a clue. It was designed
> to do a job and it did it very well IF it was built properly, but being
> aimed at the first timer, plenty of them aren't/weren't and it got an
> undeserved bad reputaion. I've flown many a Nexus with nary a single
problem
> and I've flown others that were absolute dogs, BUT, I can say the same
thing
> for a lot of other heli's too. It was also never designed for 3D, but
people
> WANTED it for that and were disappointed when it didn't hold up under the
> stress.
>
> Now to suggestions. Make sure there's NO slop or play in the scissor arm
> mixers (just above the swashplate) and if it doesn't have the ball bearing
> version, try to track a set down and fit 'em. Same thing with the pitch
> slider: no play in it and no slop. Don't overtighten the tail rotor
> bellcrank on the gearbox either.
>
> Other than that, and your carbon push rod with boom mounted tail rotor
> servo, get flying it:-)
>
>
> --
> 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
>
>