Hitec buddy lead

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David Wren - 28 Sep 2004 21:41 GMT

I have a Hitec buddy lead and note that the connections inside the plugs are
identical for both Hitec and Futaba transmitters. I know it works with two
Futaba transmitters and presume it will work with two Hitec transmitters as
it's a Hitec lead but does anyone know if the lead will work with one Futaba
and one Hitec transmitter.

David

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djindivik - 29 Sep 2004 01:51 GMT

Why not try it & see. ?? On the ground of course.!!

> I have a Hitec buddy lead and note that the connections inside the plugs are
> identical for both Hitec and Futaba transmitters. I know it works with two
[quoted text clipped - 3 lines]
>
> David

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A.T. - 29 Sep 2004 05:39 GMT

Hitec and Futaba TX and RX are fully compatible except for PCM systems.
Both must be set to PPM if linked together - neither will operate the
other's PCM RX.
There is no diode in the Hitec lead, Pins 4 & 5 are simply soldered together
at the student end only.
Hitec Laser and Eclipse can also buddy mode 1 to mode 2 and vice versa.as if
both are on the same mode.

NB: the new Futaba 9C uses a unique square plug.- reason could be that it is
more compact and the plug and cord are almost flat to the TX case and not so
easily damaged as the round type used on earlier models.

Caution X 2:
Some of the very early Futaba 8UAP would let the smoke out of their trainer
board when connected to Hitec slave with TX battery in place. The 10µH coil
would burn out. Buddy operation would not operate but no other damage to
that 8UAP, remaining functions operating normally - simple fix with no more
problems.
Futaba 9ZHP has 5V + through centre pin which is earthed to plug shield on
Hitec buddy boxes, not a good combination.

It is now possible to connect JR to Hitec or Futaba.
refer to 'Buddy Boxes. Servo Leads.Simulators.Interface"
at Alan's Hobby Web Links http://homepages.ihug.co.nz/~atong/
in particular "Intelligent Buddy Box Lead By Ken Hewitt" and
"TX 2 TX " http://users.belgacom.net/TX2TX/

regards
Alan T.
Alan's Hobby, Model & RC Links
http://homepages.ihug.co.nz/~atong/
.............................................................

> I have a Hitec buddy lead and note that the connections inside the plugs are
> identical for both Hitec and Futaba transmitters. I know it works with two
[quoted text clipped - 3 lines]
>
> David

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David Wren - 29 Sep 2004 08:18 GMT

Alan

Thanks for taking the time to provide such an informative answer. In fact
it was a link from your excellent site that led me to think that Futaba and
Hitec buddy leads were the same, I should have read futher. Proceed with
caution I think is the watch word here.

David

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reg - 30 Sep 2004 20:05 GMT

> Alan
>
[quoted text clipped - 4 lines]
>
> David

Go ahead with confidence >:-)
I have been using a Hitec Laser 6 and Futaba Skysport 4 joined together
with a Hitec buddy lead. The Futaba was the master because I haven't
bought a battery and crystal for the Hitec yet. You may find that you
have to alter the trim tabs slightly so that the controls are exactly
the same when switching between master and slave... it will only be a
slight adjustment so that the control surfaces remain in exactly the
same place when switching between the two transmitters.

Why the Hitec buddy lead ? Because it is good quality and around half
the price of other brands.

Reg

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David Wren - 30 Sep 2004 20:53 GMT

Thanks for that Reg.

David

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Model Forum / Radio Controlled / Air Models / September 2004

Hitec buddy lead