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Old Dec 16, 2011, 11:17 PM
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Tilt rotor fixed wing (Osprey)

Does anyone make anything remotely similar to an osprey or am I looking at building one? If it needs to be built, is there a way to use a quadcopter board? Can it be turned off for foreward flight?
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Old Dec 17, 2011, 04:01 AM
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There's this. The price probably isn't too bad for the amount of work that has gone into it, but it's very expensive compared to similarly-sized helicopters.
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Old Dec 17, 2011, 09:32 AM
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This one may be "remotely" similar. http://www.yellow-bl.de/flightsystems.html
[/URL]
YELLOW-BL VTOL RC Tiltrotor TILT 607 (1 min 6 sec)
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Old Dec 17, 2011, 11:40 AM
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Busted wing
The rotormast V-22 has the onboard controller already with it ...along with 6 carbon fiber rotor blades .. scale 3 bladed heads and the modified conversion servos .
Yes it is expensive (not any more than the trex tandem when it first came out ) where else are you going to get a true scale V-22 that does the full airplane conversion and does it as if you were just flying a normal helicopter from hover to fast forward flight mode .... the controller does all the mixing and changing servos and gyros around for you so all you do is fly it like a single rotor helicopter !!!!
This bird is engineered by Tom Mast who is not only a modeller at heart ,,but also a Bell Textron engineer ... believe you me it is not only true to scale from company CAD files but also licensed by Bell Beoing and a true engineering marvel .

Go to his website and take a look around . rotormast.com
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Old Dec 18, 2011, 03:05 AM
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Wow, that rotomast is extremely cool, now ifonly I had that kind of change. Its on my wish list now
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Old Dec 18, 2011, 08:46 AM
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Yes it is really awsome ,, and to me it is really cheap ... once you consider how much money and time I put out in the last 28 yrs that I have been trying to build one and never got all the way to airplane conversion ... even leads foam birds cost a pretty good amount .VTOL's are not cheap .
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Old Dec 21, 2011, 04:12 AM
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Hi, this is my solution:

http://www.rcgroups.com/forums/showthread.php?t=1496110

I continues to develop and over time I also work out a lot of valuable V-22. : Cool:
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Old Dec 24, 2011, 04:08 PM
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The Twins fuse
http://www.rcgroups.com/forums/showthread.php?t=1124466

and later a Tri Twins fuse
http://www.rcgroups.com/forums/showthread.php?t=1438491

This full fuse foamy Cargo plane can be adapted to look like an Osprey easily.

What controller are you planning to use ?

I am currently flying a KK board from Korea. as a Quad and it seems to be OK.
It also has a SW config for Osprey type controls.

I'll keep watching.

Bob
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Old Jan 31, 2012, 12:15 AM
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Does a foamy Osprey interest anyone ?

It's my next project

I'm planning on using the Minsoo kim Blue Board or the Blackboard , whatever.
I have a blackboard working very nicely on an X Quad.
Quad X-Copter flight at School yard (4 min 28 sec)


Osprey Nacelles will only be +&- 45 deg due to servo travel unless I can coax a bit more out of them with TX settings.

Rather than mess with intricate and delicate swivels and mechanisms,
I am going to mount large servos on the ends of the wing and mount the servo DIRECTLY to large circular output arms.
Part of my K.I.S.S. philosophy.

In about a week or so I'll have enough parts to test everything.
The prop adapters from HK were BOTH Eccentric and unusable ! :>(
What did I expect for $2 ?
But how can they screw up even simple lathe work ???

More l8r

Bob
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Old Jan 31, 2012, 05:26 AM
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Interesting project.
Quote:
Originally Posted by birdofplay View Post
The prop adapters from HK were BOTH Eccentric and unusable ! :>(
What did I expect for $2 ?
But how can they screw up even simple lathe work ???
Because the lathe they used cost 2$ also.
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Old Jan 31, 2012, 06:57 AM
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Quote:
Because the lathe they used cost 2$ also.
good one RC

bird of prey ... you might have something there !!!!
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Old Jan 31, 2012, 08:25 AM
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Quote:
Originally Posted by birdofplay View Post
Does a foamy Osprey interest anyone ?

It's my next project

I'm planning on using the Minsoo kim Blue Board or the Blackboard , whatever.
I have a blackboard working very nicely on an X Quad.
http://vimeo.com/35895595

Osprey Nacelles will only be +&- 45 deg due to servo travel unless I can coax a bit more out of them with TX settings.

Rather than mess with intricate and delicate swivels and mechanisms,
I am going to mount large servos on the ends of the wing and mount the servo DIRECTLY to large circular output arms.
Part of my K.I.S.S. philosophy.

In about a week or so I'll have enough parts to test everything.
The prop adapters from HK were BOTH Eccentric and unusable ! :>(
What did I expect for $2 ?
But how can they screw up even simple lathe work ???

More l8r

Bob
Nice project.

A servo stretcher might help get the tilt you need.
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Old Jan 31, 2012, 10:08 AM
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wow ... you guys are over here too !

Dont I mostly see you in Scratchbuiltfoamys ?

Regardless, Good one on the stretcher !

I'm going to try to see how far I can get with the TX throw adjustments.
If no joy I will give the SC stretcher a try.

I'd be happy with 130 deg total.

I ordered som Prop adapters from Innov8tive
BUT I might try to straighten out those $2 wonders on m y Lathe !

More l8r
Bob
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Old Jan 31, 2012, 11:49 AM
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Bob
you can also remove the servos pot and remotely connect it to the tilting nacelles with a mechanical advantage ( servo wheel on the pot and rod connected lower than attachment point to the big tilt arm ) and this will get a full 90 degree throw really easy from any servo .
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Old Jan 31, 2012, 01:48 PM
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Oh that sounds like way too much work !
Elegant and all but messy mechanisms again :-(

I'm only doing a Foamy so I figure I have some latitude

B'sides my quad, with a Little tilt flys forward PLENTY fast enough, ya know ? ! :-)

SO I am thinking that the Osprey will do fine if only +&- 45.
But I will still try to get more.
One TX allows +&=140% so it'l be close E NUF !

Bob
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