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Starting Yellow P-47 - 5/13/2002 5:58:14 PM   
f308gtsi


 

Posts: 37
Joined: 2/6/2002
From: Parma, OH, USA
Status: offline 		I am starting a Yellow Aircraft P-47 this week. It will have a G-62, Futaba radio, and Robart retracts. I plan on using the high torque servos suggested in the addendum to the original Instruction book.

If anyone wants to add their hints, tips, and suggestions on what to add, modify, delete, or do to further enhance this project, please do. I will appreciate all suggestions. Thank you for your time.
       Post #: 1

Starting Yellow P-47 - 5/13/2002 7:01:22 PM   
AirRayInc



Posts: 922
Joined: 12/30/2001
From: San Pedro, CA, USA
Status: offline 		Hello F308,
do a search here for Yellow P-47, and read the thread here about "flying my tp p47".

The plane builds pretty quick and easy. Cruise the instructions before you start. The sequence works good as presented.

As you go along post any questions you have, we have lots of hints for you. Enjoy, you gonna love it.

Ray

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(in reply to f308gtsi)
       Post #: 2

Starting Yellow P-47 - 5/13/2002 7:21:00 PM   
Tmoth4



Posts: 1358
Joined: 3/14/2002
From: Brecksville, OH, USA
Status: offline 		f308,
Where in Cleveland are you? I'm just finishing up a Ziroli 92" P47 with glass fuse. I'm putting a G62 and Robarts in mine also. I'd be interested to compare the two designs.

Jim

(in reply to f308gtsi)
       Post #: 3

Starting Yellow P-47 - 5/14/2002 7:23:34 AM   
Vince


 

Posts: 1650
Joined: 2/2/2002
From: Nederland, Tx.
Status: offline 		Do not install the flap and aileron servos on the hatch covers per the instructions. Mount them in the wing and use the covers just as covers.

Use plenty of hinges on the ailerons.

Be sure and confirm the stab incidence relative to the wing before you affix it. One my buddy built had a positive 3 on the stab, and required a bunch of down trim to keep it flying level. I set mine up at zero/zero, and it flies with very little elevator adjustment.

And enjoy it, it's a great plane, no pun intended.

Vince

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Can't keep my mind from the circling sky.

(in reply to f308gtsi)
       Post #: 4

YA-P47 - 5/14/2002 8:24:27 AM   
fw190



Posts: 793
Joined: 1/1/2002
From: Burbank, CA,
Status: offline 		here is mine cut and pasted on this thread...

I have about 20 flights on my YAP47 and the gear mounts got damaged... The mounting system is pretty weak ( It cannot be my landings ... I can imagine AirRay's facial expression ).
Anyways the ribs were only glued to the foam and the bottom sheetings. The ribs did not meet up with the top sheeting because it was half height of the airfoil. I removed all the mounts and put in full height ribs with front and rear ply spar reinforcement. This setup is not coming off. I had over 300 flights on my fw190d9 with this setup and the mounts never pulled out.

I also removed the heavy 'HIGHTECH FIBERGLASS HOLLOW CORE COMPOSITE MOLDED LEAD BALANCED AILERONS' and built my own 'BALSA' version. Pretty easy to do at 2hours and 2lbs of savings. I never in my entire life of building/flying warbirds have so much trouble with aileron flutters till I used these molded ones... now in the trash where they belong.

Well these might be a bit extreme for some of you YAP47 builders but its just some things I have learned building, flying and rebuilding mine. ALSO, don't get me wrong about YAP47 if had to get another P47 it will be again a Yellow. Saving my dollars and sense for the epoxy version

.... pasted

addition....

engine choice.... I recommend a Brison 3.2... only .5 less than the G62 and still have good performance. No mods required on a 3.2 to fit it entirely in the cowl. I guess if you already have a g62... why not use it.

fw190

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(in reply to f308gtsi)
       Post #: 5

P-47 "JUG" - 5/14/2002 9:21:20 AM   
Alleymutt


 

Posts: 64
Joined: 2/4/2002
From: Richfield, Minnesota.USA
Status: offline 		The only thing I changed with my YAP47 is that I did what Yellow recommended to do if you are going to use a biggas engine is to add the two extra spars in the wing to beef it up. I built mine per plan and have NOT experienced any flutter in the flying surfaces. I have 5 servos on the cg in the fuse and I am using Hitec 615 servos in the wing. It balanced dead on using a G-45 and a 6 oz Hamilton Standard aluminum spinner from Waine Seiwert @ Aerotec models in the Twin Cities. I do fly it very fast. I have had 23 perfect takeoffs and 21 very good landings. It was my first warbird and scale attempt, and it is a very forgiving aircraft . Mine weighs in at 21.5 lbs. I dont know anything about incidence, but you will see when you do your first taxi test with it. Tail came up and stayed there. A friend of mine has the same plane and he is using a G-62. His is 10 lbs more than mine and they fly the same way. There are alot more good things to say than bad about Yellow Aircraft warbirds. Dont believe everything you hear.

(in reply to f308gtsi)
       Post #: 6

Starting Yellow P-47 - 5/14/2002 11:45:23 AM   
fw190



Posts: 793
Joined: 1/1/2002
From: Burbank, CA,
Status: offline 		[QUOTE]There are alot more good things to say than bad about Yellow Aircraft warbirds. Dont believe everything you hear.[/QUOTE]


Alleymutt, I to used the 615 metal gears but I had the old instructions. If it was not for the Online-Forums such as these that helps builders out when trouble do arise from these problems. In fact, Yellow would not have updated there instructions if there were not enough of their P47 with aileron flutters.

The only time I got aileron flutter is the next flight after a rough landing. The ailerons are heavy and it damages even a good high torque servo or servo mounts. Do check the ailerons after a rough/bounced landing.

I agree! they are more good things about Yellow kits than bad. basically you take what you want.

Your P47 on a G45 flys the same as with a G62? does it have the same speed?

fw190

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(in reply to f308gtsi)
       Post #: 7

P-47 - 5/14/2002 6:15:48 PM   
MEMPHISBELLE


 

Posts: 227
Joined: 2/7/2002
From: CHILLICOTHE, IL, USA
Status: offline 		I bought a yap-47 . i was so pissed off when it came time to install yellows gear and id would not retract in to the wheel well i sold it. i called yellow and he said you have to bend the gear door covers to get them to fit. this did not work. also all the wood formers were loose in the fuse. one wheel well was routed 1/2 inch closer to the wing root than the other so the belly pan overhung to far into one wheel well.

(in reply to f308gtsi)
       Post #: 8

Starting Yellow P-47 - 5/14/2002 8:22:41 PM   
k_sonn



Posts: 1134
Joined: 2/15/2002
From: Bellevue, WA, USA
Status: offline 		I am currently putting one together. I have installed the engine (G62) and cowl. I mounted the engine inverted and slightly turned so it all fit within the cowl with having to cut out any holes. I used a B&B muffler (or should I call it an exhaust deflector). I plan on running the exhaust out at the scale locations. I re-enforced the firewall as per the instructions. I will be using the Spring Air retracts that are for the Top Flite giant scale P-47. The mounting rails are too far apart to mount them on the rails so I will make a mounting platform out of T6 aluminum. Did anyone make a hatch for the switches? If so, where did you place it and could you post a picture. Thanks.

(in reply to f308gtsi)
       Post #: 9

fw-190 - 5/16/2002 4:44:58 AM   
Alleymutt


 

Posts: 64
Joined: 2/4/2002
From: Richfield, Minnesota.USA
Status: offline 		Thanx for the input on the servo mounting on the Jug. I'm sure I don't have as much building experience as you do at this. I am fairly new to this hobby, and I do appreciate any advice found here. I think it's kind of scary for a newcomer to buy his first warbird and hear alot of negative comments about a very pricey plane. I went from 60 size trainer to a 108 size Dragonlady low wing(warbird trainer) sport plane to the YAP-47. My Jug flies easier than the Dragonlady and lands like a dream. Please keep all these comments coming, as this is why I,m here on RCU. The speed of my Jug with a G-45 swinging a 20-10 pro zinger at 6800 rpm,s is the exact same as my friend's with a G-62 in all aspects of flight. However the G62 will fit completely in the cowl without any cutouts in it. The G-45 has a thicker carb plate and therefor it won't fit in the cowl unless you cut a hole for the carb. I hope I didn't piss anyone off.......... Alleymutt out

(in reply to f308gtsi)
       Post #: 10

21lbs is darn good! - 5/16/2002 1:49:38 PM   
fw190



Posts: 793
Joined: 1/1/2002
From: Burbank, CA,
Status: offline 		Alleymutt, I go to hand it to you.... building a YAP47 at 21lbs is pretty darn good . I have not seen one this lite, normally they build between 24+ lbs. Did you fiberglass the wing? I guess I must be doing something wrong...

fw190

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       Post #: 11

Starting Yellow P-47 - 5/16/2002 5:10:23 PM   
f308gtsi


 

Posts: 37
Joined: 2/6/2002
From: Parma, OH, USA
Status: offline 		Alleymutt's P-47 came in at 21 lbs because it has no landing gear....he built it for hand launch !!

Couldn't pass that one up.

(in reply to f308gtsi)
       Post #: 12

Starting Yellow P-47 - 5/17/2002 3:19:41 AM   
Alleymutt


 

Posts: 64
Joined: 2/4/2002
From: Richfield, Minnesota.USA
Status: offline 		I do have a hand launch M version I plan on using on the slope that will be stripped out. The Jug wing is fiberglassed the way Yellow does it..... A 6oz to join the wing. 1.5oz out to the ailerons, and .75oz over the whole wing. It is lite cause I don't have a dummy engine, or a cockpit kit, or a pilot in it,(I think). I dont have An ignition system. I have only 1 1800 mha battery pack to run 9 servos. Just found a keeper I guess.

(in reply to f308gtsi)
       Post #: 13

Yellow Thunderbolt - 5/19/2002 7:22:36 AM   
boyd63



Posts: 39
Joined: 12/31/2001
From: LA
Status: offline 		Lost my first Yellow Jug due to "Stock" Servos(ALL WING SURFACES FLUTTERED AT ONCE), Now on my third Yellow Jug. REPLACE THE WING DOWELS WITH ALUMINIUM!!!. My second Yellow Jug went in when the dowels sheared off!. Now I'm flying with a Q-52,