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Post by Garf on Jul 26, 2011 16:24:00 GMT -7
The profile NoblARF is flying, needs trimming, the NoblARF #2 is flying, also needs trimming. It is just about time to start NoblARF #3. This one is going to get a Fox 35 stunt built up with a 60th anniversary case, a plasma P&C from Tony Cincotta, and a Fox Super Stunt NVA. Should prove interesting. At least it won't need as much tail weight.
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Post by Garf on Jul 27, 2011 12:47:07 GMT -7
Right now it looks like the Fox Super Stunt NVA won't work in this thing because of close clearances. I may go with the Randy Smith custom NVA. I will reinforce the Firewall/motor mount area, but not to the extent of the NoblARF #2.  |
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Post by Garf on Jul 29, 2011 17:43:31 GMT -7
I'm getting ready to install the tank I made for the NoblARF #3. I keep making slight changes (improvements) to the installation. The tank started out as a Kap-Pak Rectank, and was modified to a steel clunk tank using the clunk out of the included plastic tank.   |
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Post by Garf on Jul 29, 2011 17:45:55 GMT -7
The tank fits perfectly in the compartment and holds 5 1/4 oz.  |
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Post by Garf on Jul 29, 2011 17:48:32 GMT -7
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Post by Garf on Aug 6, 2011 19:42:13 GMT -7
The tank compartment is closed, and I am in the process of hinging the flaps. The engine mounting holes have been drilled.
UPDATE: The flap hinging is complete. They work very freely. I have the preliminary throw adjustment done.
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Post by jehold66203 on Aug 11, 2011 8:48:06 GMT -7
Awful lot of fuel for a Fox Stunt.
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Post by Garf on Aug 11, 2011 9:26:02 GMT -7
The tank is a steel clunk, which means that I can safely short tank it at will. I bought a lot of the particular tank from Ebay, so that is what I will use for now. I still need to refine the venting a little.
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Post by Garf on Aug 12, 2011 20:34:10 GMT -7
The Dave Brown pushrod is done and the plane dry assembled to check adjustment. It looks pretty close.
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Post by Garf on Sept 1, 2011 16:31:49 GMT -7
The wing is installed, the stab/elevators are going in now. The method of installation I used for the rudder on #2 worked well enough that I am going to do the same thing on #3.
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Post by Garf on Sept 7, 2011 15:51:55 GMT -7
#3 is almost complete. The gear is in, the rudder is on, the engine has been installed using the Super Stunt NVA for now. It will be test flown with no cowling.
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Post by Garf on Sept 8, 2011 18:10:13 GMT -7
I test ran the engine today. It has enough power, but is not as smooth as I would like to see it. It should improve with some running.
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Post by Garf on Sept 12, 2011 20:41:53 GMT -7
Test flew it last Sunday. Flew 3 laps, then quit. Turned out the tank was contaminated and made short work of the small filter I used. Back at the shop, I replaced the Fox Super Stunt NVA with a Randy Smith custom unit. Than I installed a 1/4 scale filter. A test run revealed a fuel leak. After replacing the bad line, I ran it again. No more problem. I need to run it again, then clean the filter, then maybe it will complete a flight. Not very pretty without the cowling installed.   UPDATE: I ran it again and cleaned the filter. It was full of garbage. Hopefully I can get a couple of flights out of it before it stops up again. |
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Post by Garf on Sept 18, 2011 19:50:44 GMT -7
Test flew it again today. This time I got a full test flight. It has enough power. The outboard tip is low in upright flight and high in inverted flight. It feels like it has enough tip weight. I need to tweak the flaps.
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Post by Garf on Oct 8, 2011 20:49:47 GMT -7
The flaps have been tweaked. I went ahead and changed the plug. The old one looked terrible.
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Post by Garf on Nov 27, 2011 17:16:56 GMT -7
It ran slightly better, but I still put it in inverted. Broken prop and rudder.
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Post by Garf on Dec 8, 2011 11:38:49 GMT -7
Damaged rudder has been rebuilt and is awaiting covering. All that will remain is to reattach the rudder to the model. I'm going to use a smaller prop and see what happens.
UPDATE: The rudder has been covered and installed. Tomorrow I need to run the NoblARF #2 & #3.
UPDATE: Never got around to running the engines.
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Post by Garf on Dec 10, 2011 19:19:21 GMT -7
I tried an XOAR 10-5E prop. Good power, seems a little erratic. Swapped for a Top Flite Super M 10-5. A little more stable, plenty of pull.
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Post by Garf on Dec 18, 2011 16:53:20 GMT -7
The engine agrees with high oil fuel. It still wants to rev. Might need more pitch.
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Post by Garf on Dec 21, 2011 18:17:36 GMT -7
Before I do an engine change, I will try a MA 11-5 prop and see what happens.
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