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Old Oct 17, 2013, 04:15 PM
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HoXVIIIb

https://skydrive.live.com/?cid=6d242...EZNii2w2mdoxjU

A link to some of Brian's cad and a pic of a box full of goodies!
I won't be starting building for awhile,still waiting bits and pieces and I'm going to get the plank flyable before I start this.
Stuart
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Old Oct 17, 2013, 05:10 PM
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Old Oct 17, 2013, 09:13 PM
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Great! Get to work.
Nice to see some substantial 'feet' on those ribs.
Erm.. why do those bigger (centre?) ribs have their Feet on their topsides seems as an anomaly or perhaps an upside down centre build sequence ?

As an intended to be helpful suggestion?
Build and fly the Stingray model (download plans and build sequence available) in the SMEFF Combat thread of Scratchbuilt foamies.
It's a V quick and Cheap build, instantly repaired and It Flies Very well.
Lotsa airtime/practice/experience possible with that wing thing. It doesn't even need a Gasp!.. airfoil (size/version dependant)
The Horten can only aspire to fly as well ( it's a Much prettier model though :-)
Point being; it's a quick /easy/suitable Trainer...it could save significant heartache.. later on.
Good luck.
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Old Oct 18, 2013, 12:48 AM
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Originally Posted by Bare View Post
Great! Get to work.
Nice to see some substantial 'feet' on those ribs.
Erm.. why do those bigger (centre?) ribs have their Feet on their topsides seems as an anomaly or perhaps an upside down centre build sequence ?
Yes, big feet just like the designer!

The bigger ribs are the center ribs. And yes, the center section builds upside down. Why? Because the stuff (landing gear and nacelles) gets in the way if you build it upright.

Regards,
Brian
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Old Oct 18, 2013, 03:23 PM
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Cool Stu. Can't wait to see how this one goes.

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Old Oct 22, 2013, 01:24 PM
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this ought to be interesting .... you go Stuart and nice work Brian.

Jens
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Old Oct 22, 2013, 01:53 PM
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Get the plank up, so you can start with this one !
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Old Oct 24, 2013, 12:13 AM
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Old Oct 25, 2013, 02:46 PM
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How do you plan on steering while on the ground with the fixed gears?
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Old Oct 25, 2013, 03:26 PM
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How do you plan on steering while on the ground with the fixed gears?
That's a darn good question. Stuart and I were thinking about using differential braking. Stuart may be going this way or another. I'm not sure!

Regards,
Brian
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Old Oct 25, 2013, 05:47 PM
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That's a darn good question. Stuart and I were thinking about using differential braking. Stuart may be going this way or another. I'm not sure!

Regards,
Brian
I've been giving this quite a bit of thought.Trying to brake one wheel out of four-I'm not sure how well it would work.Im veering(pun!) toward an idea I had early on,which is air brakes behind the outer exhaust ducts on each pylon.Pair of light servos should do.Pushing out,light spring or rubber band to reseat the vane.
Stuart
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Old Oct 26, 2013, 04:09 PM
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Old Oct 28, 2013, 05:46 AM
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Horten XVIII b

way to go Brian,

about the steering, aren't these landinggears intended for just their name, only used as gear in landing(s)?

Because: can there be enough speed gained to reach Vro?

btw: subscribed

Peter
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Old Oct 28, 2013, 06:16 AM
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way to go Brian,

about the steering, aren't these landinggears intended for just their name, only used as gear in landing(s)?

Because: can there be enough speed gained to reach Vro?

btw: subscribed

Peter
I must admit this has crossed my mind.Only answer at this stage can be we small see
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Old Oct 28, 2013, 12:10 PM
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Quick answer: She's a Bungee launcher :-)
Differential thrust.. might work ? Seriously tricky (not much fine control though)
At best it's a TX mix issue.
Or making the wheels steer a few degrees inside their doors? Fiddly mechanicals involved though.

One of several reasons why the 'A' version was unquestionably the superior aircraft design, despite R Hortens' Ego attack.
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