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Apr 28, 2011, 11:49 PM
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Bellingen NSW Australia
Joined Aug 2008
4,914 Posts
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Rds
Eric,
Will your RDS drives have some end float provision? I've found with my home made ones at least, that this is the hardest part. Because control surfaces are surface hinged, (top or bottom), the central RDS cranks need to move in and out to give correct geometry and prevent jamming. Jim. |
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Last edited by Jim.Thompson; Apr 28, 2011 at 11:50 PM.
Reason: extra information
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Apr 29, 2011, 09:00 PM
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Byron Bay, Australia
Joined Feb 2006
2,810 Posts
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Quote:
These drives don't have end float provision. I haven't heard of any issues with this setup in this thread so I'm assuming it works fine. I have seem some drives in other threads that do move in and out. Eric |
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Apr 30, 2011, 04:06 AM
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Sunshine Coast, Australia
Joined Sep 2004
1,116 Posts
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Looks really sweet Ezza
 I'll be looking for flight reports when I get back in town. Go Great! Ken. |
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May 15, 2011, 08:32 AM
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Byron Bay, Australia
Joined Feb 2006
2,810 Posts
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Finally got back to this beauty and have the wings finished. I found basically that the more I bent the flap rods the more deflection became available. Sorry I didn't measure but I bent the rods quite a bit more(three times before I was happy), and have almost 90 degree flaps available and more than necessary reflex. I did bend the aileron rods about an extra 10 degrees but as mentioned by others it is probably not needed.
I have to agree with Target, the rds pockets are really tight. No slop. One tip, when gluing the rds drives and rods into the coupler, fit the drives to the servo shaft to get correct centreing first. I glued them together on the bench. This cost me a few degrees in travel as I had to adjust to get the RDS rods centred. Waiting for fuse servos and battery now. Eric |
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May 15, 2011, 03:25 PM
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Bellingen NSW Australia
Joined Aug 2008
4,914 Posts
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Drive rods
Quote:
And what are the pockets made out of? I made my last ones out of carbon fibre/epoxy. But not sure it that was the best. Jim. |
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May 15, 2011, 09:02 PM
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Byron Bay, Australia
Joined Feb 2006
2,810 Posts
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Hi Jim,
The rods are 3mm thick and the pockets appear to be carbon. Eric |
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May 16, 2011, 05:13 AM
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Joined Jul 2008
269 Posts
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You will find that the rods are 3.1mm
The Aussie rods are 3mm Mick |
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May 16, 2011, 11:34 PM
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Harbor City, CA
Joined Oct 2003
19,715 Posts
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The ones on my Cyril I measured at 3mm..... And I would assume that they are the same on the Fosa, but I confess to being in a rush during measurement, and could be inaccurate.
R, Target |
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Latest blog entry: Stork 4 Pro X-tail from...
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May 17, 2011, 02:04 AM
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Joined Jul 2008
269 Posts
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Are the Fosa's build up using standard carbon or spread tow carbon
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May 17, 2011, 02:54 PM
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Mannheim/Germany
Joined Feb 2005
41 Posts
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Unfortunately they don't use spread tow. I asked for that on my Fosa order...
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May 17, 2011, 03:54 PM
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USA, CA, San Jose
Joined Aug 2005
729 Posts
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Got the word that my Fosa is on its way to the states, can't wait! Time to fly some B!!!
Aaron |
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May 17, 2011, 04:30 PM
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Oceanside, CA
Joined Mar 2006
140 Posts
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1.86 KG FOSA Ballast Sets
Hey guys,
One thing I noticed when I first flew speed with my Fosa was that with all the brass in it, I still wanted to be quite a bit heavier, and I am sure the Fosa could launch it no problem. I commissioned some molds for the wing and fuse ballast to cast lead slugs (about 25% heavier than the brass) and I also had some brass pieces machined to a taper that fits perfectly in the wing joiner. This cost a lot less than Tungsten! Fuse slugs = 85g ea Wing slugs = 225g ea Joiner inserts = 140g ea With full lead and only two brass pieces in the rear joiner (one piece in each side of the back compartments) it brings the AUW to almost 4 KG (3.93). I have a limited number of sets (5) and am going to sell some of them to raise funds to replace a broken wing panel on my Fosa :'( $125 each including shipping (con US). Send me an e-mail directly to stevecondon at cox.net if you are interested. Prefer PayPal but will accept other forms of payment too. |
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May 17, 2011, 09:43 PM
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Joined Oct 2005
1,151 Posts
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Quote:
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May 27, 2011, 02:11 PM
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Kent, England
Joined Nov 2005
241 Posts
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Just arrived this evening
Simon |
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May 27, 2011, 02:58 PM
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Orange, CA
Joined Oct 2006
2,101 Posts
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It apparently has some sort of pox disease...better get that looked at right away.
 Tom |
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