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RE: ROBARTS ZIROLI 92 - 10/2/2011 2:29 PM   
Todd D


 

Posts: 312
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Joined: 7/12/2003
Last Login: 5/20/2013
From: Menomonee Falls, WI, USA
Status: offline 		Springer,

Yes, I bought it used, it's the one pictured in post 348. Just got it home this week. I have a few things I want to change, mostly cosmetic. I'll be going over the plane thoroughly over the winter to ensure airworthiness then mounting what I deceided to use, a DA 85. I want this plane to have plenty of power and speed.

First thing I want to do is add the moving cowl flaps like Sam did. I plan to hook mine to the throttle channel. Low throttle = open flaps, high throttle = closed.

Also want to add the switch/chrage/fuel/air service tray that Sam did. Clean up the outside of the palena dn those switches, fittings etc.

Thanks,

Todd

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RE: ROBARTS ZIROLI 92 - 10/15/2011 10:16 PM   
tfarmer96



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From: Wylie, TX, USA
Status: offline 		Ok mines ready to fly. We will just have to call her porky it came in at 38lbs and its a bit nose heavy

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RE: ROBARTS ZIROLI 92 - 10/15/2011 10:57 PM   
Todd D


 

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Joined: 7/12/2003
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From: Menomonee Falls, WI, USA
Status: offline 		TFarm, looks nice, what power plant did you go with? How muck weight did you add to the nose?

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RE: ROBARTS ZIROLI 92 - 10/16/2011 12:18 AM   
tfarmer96



Posts: 1770
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From: Wylie, TX, USA
Status: offline 		I put an da85 in it. There is about 4 lbs on the nose. After I get a few flights on it I think I will end up with about 3 1/2 on it. I'm sure it's in this thread but I was wondering how much others were putting in the nose?

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RE: ROBARTS ZIROLI 92 - 10/16/2011 1:54 AM   
Flakbait



Posts: 247
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Joined: 1/6/2002
Last Login: 5/21/2013
From: California City, CA, USA
Status: online 		I have two pounds, 37lbs with fuel.

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RE: ROBARTS ZIROLI 92 - 10/16/2011 1:55 AM   
tfarmer96



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From: Wylie, TX, USA
Status: offline 		It must be those hitec 5645s i put in the tail

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RE: ROBARTS ZIROLI 92 - 10/16/2011 1:57 AM   
Flakbait



Posts: 247
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From: California City, CA, USA
Status: online 		They are 5995's.

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       Post #: 382

RE: ROBARTS ZIROLI 92 - 10/16/2011 2:03 AM   
tfarmer96



Posts: 1770
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From: Wylie, TX, USA
Status: offline 		I have seen your bird its very nice. I know yours flys great. i just looked up the spec on the servos they are about the same weight. What motor did yours?

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RE: ROBARTS ZIROLI 92 - 10/16/2011 3:10 AM   
Flakbait



Posts: 247
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Joined: 1/6/2002
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From: California City, CA, USA
Status: online 		The engine is a 3w-85. Your airplane turned out very nice!

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       Post #: 384

RE: ROBARTS ZIROLI 92 - 10/16/2011 3:11 AM   
Flakbait



Posts: 247
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Joined: 1/6/2002
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From: California City, CA, USA
Status: online 		Thanks! "Wee Speck" has 44 flights. P-47's are great flying airplanes.

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RE: ROBARTS ZIROLI 92 - 10/16/2011 8:24 PM   
fw190d9



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From: Seguin, TX, USA
Status: offline 		Bring it on down anytime yer ready Farmer. I will put it thru its paces for ya.
E.

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RE: ROBARTS ZIROLI 92 - 10/22/2011 2:17 PM   
tfarmer96



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From: Wylie, TX, USA
Status: offline 		Here is another trick i got from Evan. I cut out the former so i could move the cockpit forward and then installed a ply switch plate.

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RE: ROBARTS ZIROLI 92 - 10/24/2011 1:37 AM   
tfarmer96



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quote:

ORIGINAL: fw190d9

Bring it on down anytime yer ready Farmer. I will put it thru its paces for ya.
E.


I will be taking you up on that one when i get to the pcm 109. I dont think Dean will let me crash on his couch.

Any way this bird flys great even at 38lbs very very nice no bad habbits. Thanks to advice from guys like Evan and Gary this thing really came together nice.

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RE: ROBARTS ZIROLI 92 - 10/24/2011 2:50 AM   
fw190d9



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From: Seguin, TX, USA
Status: offline 		Congrats Farmer, Looks great.
Evan Q.

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RE: ROBARTS ZIROLI 92 - 10/24/2011 4:22 AM   
Flakbait



Posts: 247
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From: California City, CA, USA
Status: online 		Looks Great!!!!

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RE: ROBARTS ZIROLI 92 - 1/16/2012 6:38 PM   
maddog-RCU


 

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From: Monticello, WI, USA
Status: offline 		Does anyone know how I can print out this with the pictures; Sam did an excellent job on documenting the build and I would like to have it with me when I do my build.

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RE: ROBARTS ZIROLI 92 - 1/16/2012 9:03 PM   
samparfitt


 

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From: West Chester, OH, USA
Status: offline 		I'm not sure that you want to as there are 840 pictures that I posted: that would eat up a lot of paper and ink. Seems like it would be best to just take notes along with post # for reference and pull them up on the web for the part of the build that you are doing at that time.
You could contact the 'web meister' and ask them for details on maybe being able to get a copy of just the print.

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RE: ROBARTS ZIROLI 92 - 1/16/2012 10:15 PM   
maddog-RCU


 

Posts: 213
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Joined: 1/12/2002
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From: Monticello, WI, USA
Status: offline 		Thanks Sam,
Good points, I know I can print it out in just text format; the ideal situation would be if I could download onto a disc; that way I can upload it onto the computer in the shop for reference and not have to get online to find what I need.

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RE: ROBARTS ZIROLI 92 - 4/2/2012 9:43 PM   
samparfitt


 

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Status: offline 		P-47 PM for the new season.

Last year, and after 140 flights over three seasons, the gear was real sluggish on the re-cycles and I had to cycle them, sometimes, several times to get them to function. Three weeks ago, I took the air cylinders off and cleaned, re-greased and replaced the O rings from robarts 'air system service kit'. It was pretty easy as the air cylinders could be removed from the gear without having to take apart the gear frame. Only the two C clips and pins were removed to get the cylinder out. Fortunately, one end of the cylinder screws off. The kit instructions say not to use pliers but I needed them to remove the end cap: it doesn't need a lot of pressure to remove but I used the pliers versus taking a chance of, accidentally, pushing on the brass air nipple and bending it, especially on putting the cap back on the cylinder. There was black junk in the cylinder, probably due to the O rings wearing. After re-assembly, they now work great.

Last Sunday, about 200' after take off, the engine went idle for about a second, and I immediately landing after that circuit. The battery was just charged that morning but the voltmeter read half way between green and red so I replaced the battery. Hopefully, that was the problem.
I checked the clunk, which was good and also replaced the spark plug. The choke/throttle servos are also functioning OK as, last year, the choke servo 'went south' me.



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RE: ROBARTS ZIROLI 92 - 4/4/2012 3:37 AM   
Todd D


 

Posts: 312
Score: 100
Joined: 7/12/2003
Last Login: 5/20/2013
From: Menomonee Falls, WI, USA
Status: offline 		Has anyone put a carbon fiber wing tube in this plane? It will save about 12 ounces behind the CG. could translate into 1lb total with less weight in the nose. Size is 32 mm, think I'll check them out in Toledo next week.

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RE: ROBARTS ZIROLI 92 - 5/21/2012 3:36 AM   
Todd D


 

Posts: 312
Score: 100
Joined: 7/12/2003
Last Login: 5/20/2013
From: Menomonee Falls, WI, USA
Status: offline 		OK, I think mine is ready to fly, maiden may be next weekend depending on weather. Going to try to post some photos and a video of the gear and cowl flaps operating.
Ended up with a 3W80 engine
dummy radial (left the two bottom two cylinders off for air flow for now).
Hi Tech 5645 MG servos on all but choke and throttle.
used the HiTech servo programmer to slow down the flaps, very scale now.
Futaba RX 14 channel
2 A123 2300 MAH batts for RX running through a Electro dynamics batt share system using two separate switches mounted near the firewall
one A123 with MPI regulator for the ign.
Lots of trial and error to get the the tail gear doors to work, thanks to Sam and this thread for the help with that
removed the needles from the retract valves, no need to slow the gear down.
26X10 Xoar for initial flights, got a 24X12 Mejlik 3 blade CF for later
A lot of work to finish the cowl, had two big holes in it from the previous owner and DA 100 installed, turned out well.

Interesting part is that with all the equipment installed, gear up, no fuel it balances at about 1 inch behind the Nav light lens with no weight in the nose, makes me a little nervous with everyone adding 2, 3 and 4 lbs lead to their birds and I need nothing. I know I read it several times in the thread but if someone could confirm the location for the CG I'd appreciate it. Hate a tail heavy aircraft for the first flight.

With that I just kept the Aluminum wing tube.

Here's a few photos and a video if I can get it to work. Well I tried, sorry there seems to be a server error.



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RE: ROBARTS ZIROLI 92 - 5/21/2012 3:42 AM   
Todd D


 

Posts: 312
Score: 100
Joined: 7/12/2003
Last Login: 5/20/2013
From: Menomonee Falls, WI, USA
Status: offline 		Got the photos to work but AVI video is not supported I guess.

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RE: ROBARTS ZIROLI 92 - 5/21/2012 3:47 AM   
more10cc


 

Posts: 22
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Joined: 10/8/2008
Last Login: 5/21/2013
From: Tokyo, JAPAN
Status: offline 		Hello, everybody
I made P-47, too.
There is the production thread in my blog.
http://low-guns.blog.so-net.ne.jp/archive/c2302900009-1
Toshi


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RE: ROBARTS ZIROLI 92 - 5/21/2012 4:02 AM   
samparfitt


 

Posts: 4655
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Last Login: 5/21/2013
From: West Chester, OH, USA
Status: offline 		Todd,
CG is 5.5" in the manual.
Looks like you did your homework.
good luck.

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RE: ROBARTS ZIROLI 92 - 5/21/2012 4:09 AM   
Todd D


 

Posts: 312
Score: 100
Joined: 7/12/2003
Last Login: 5/20/2013
From: Menomonee Falls, WI, USA
Status: offline 		Thanks Sam, I should be good then with no added weight, see you in FonDuLac in August if not before.

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