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GROUP BUILD - Top Flite Giant Scale F4U Corsair

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Old 04-01-2007, 08:26 PM
  #2701  
cimara
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Yes Gibbs thats true i have a book that has an artical about it look here http://www.rcuniverse.com/forum/m_31...tm.htm#5342622 posts 2165 and 2166
Old 04-01-2007, 08:30 PM
  #2702  
cimara
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Did you all cut the hole in the Te of the wing for the flaps operating rod 3/8 by 3/4 ?That leaves hardly any wood to supprt the Te Is that a typo or is the Te not structual?
Old 04-01-2007, 10:17 PM
  #2703  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

NO...I too thought that was a poor way to actuate the flaps...I remember early in the forum posts that someone said that it was diffacult to get the flaps to operate with that flimsy 1/16 inch ply tab. I can not imagine a 30 lb aircraft flaps lasting very long with that setup...I instead used the same type control horns similar to the ailerons..I ran the control push rods outside the wing skin just like the ailerons...much stronger and work very well.
Old 04-01-2007, 11:25 PM
  #2704  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Hi asumut, My prop is 20 inch And I'm using a G62 I havent run the engine with the prop yet so I 'm not sure what rpm I'm getting this was the diameter the guys at solo props recomended for my engine and plane.

I mocked it all up yesterday and it looks like it should come in about 28 or 29 lbs dry weight

Trevor
Old 04-02-2007, 01:34 AM
  #2705  
asammut
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair


ORIGINAL: splitzed

Hi asumut, My prop is 20 inch And I'm using a G62 I havent run the engine with the prop yet so I 'm not sure what rpm I'm getting this was the diameter the guys at solo props recomended for my engine and plane.

I mocked it all up yesterday and it looks like it should come in about 28 or 29 lbs dry weight

Trevor
Thanks trevor, I have a G62 as well and solo props recommended a 22" 3 blade prop.???
let me know what rpm you end up with as I am only just starting to build the fuz. I have completed the wings and tail feathers except for covering.
cheers
Andrew
Old 04-02-2007, 10:32 AM
  #2706  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

solo props are variable pitch. you have problems running scale props on glow engined but large gs engines can handle it.
Old 04-02-2007, 10:35 AM
  #2707  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

i used the RCSB forum metod and ran a seperate servo to each cection and a match box to insure unison. I agree that ply tab isw not going to hold up. But TF expects us to monokote and go minimal scale detail to keep the wt down. Well didnt thney habg bombs, fuel tanks and rockets off the corsair? sure they did but they still flew. I have personally flown a 34 lb tf gs f4u and it flew well!
Old 04-02-2007, 01:33 PM
  #2708  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

GENTLEMEN !!!!!!! I have a story to tell about the stability of this topflite corsair.... HERE GOES I took the plane out this morning for the second and third flight...ok takeoff was good climb out was excellent and about half way through the flight I lost my ailerons they quit working my only thought was now what, my spotter yelled get on the rudder. it was flying on its own at this point with only elevator, I switched into high rudder differental and began to control the plane with rudder and elevator and throttle, would you believe I got it under control turned down wind and onto final ,,was too busy with my fingers to put the flaps down and landed the 30+ warbird with just rudder and elevator it landed and flared on the mains and I taxied back to the pits...all the spectators who were watching couldn't believe that that flight was completed with out ailerons...this bird is so stable I can't believe it...I found the aileron disconnected from the reciever...apparently during the flight the wire got caught in the throttle servo linkage and was pulled apart.....I went on to complete a third flight without incident.and that flight was just like the first one magnificent.stable takeoff stable manuvers and a stable landing this time with flaps If you thought this plane is difficult to fly and you are afraid of the first flight I say go for it....there are many things that can go wrong and cause a mishap such as pilot skill, mechanical and electrical failures...but as far as the plane being a bear in the air it is not !!!!!!!!!!.RCPILOT78
Old 04-02-2007, 06:35 PM
  #2709  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

here are some closeups of the folding mech
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Old 04-02-2007, 06:37 PM
  #2710  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

some more
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Old 04-02-2007, 06:46 PM
  #2711  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Nice work Tim, nice work!
Old 04-02-2007, 06:50 PM
  #2712  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Tim,

You never told me where I can buy the 3 1/4" aluminum spoked wheels for $120.00. Would you please let me know.

Thanks,

Barry
Old 04-02-2007, 07:46 PM
  #2713  
devens
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Congrats on the save RCpilot!! You owe your spotter a cocktail.

With your experience I bet your kicking yourself for the throttle servo - aileron wire thing huh. I am always paranoid about my servo wires that have to be connected at the field and need slack to get the plane assembled. I don't think I would have kept my composure if that had happened to me. Of course I don't have your spotter either [8D]


oh thanks for the confidence boost also!



I am finishing up the fuse sheeting tonight. I am down to the rear belly part. I wish I had done it out of 2 pieces insteads of 4 as the plans say. The belly has a nasty shape. Too nasty to try to seam on. My wing seats look awesome.

Bring on the fiberglass....well not ready for that yet.


Old 04-02-2007, 07:50 PM
  #2714  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Hey Tim,

Since you have everything in your plane including the kitchen sink and hot & cold running water....

I thought of something I am not sure you have and would be relatively easy to do.

I am not going to do it but you might.....a carrier hook...retractable!

what do ya think?

c'mon man....it would mean more servos! <-- joke
Old 04-02-2007, 08:31 PM
  #2715  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair


Congrats on the save, a great job, and I hope I never have to go there. But I have a question, Whare are you balanced ie: 5 1/4 like the book ???


Cheers Bob T

Corsair Brotherhood #5
Old 04-02-2007, 08:46 PM
  #2716  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

RT..I balanced at 5-3/8 the book calls for 5-3/4..this will give you plenty of stability for the first flights...you can adjust the range after you get familiar with the plane..
Old 04-02-2007, 08:54 PM
  #2717  
cimara
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Great job Rc on the save
Old 04-02-2007, 10:21 PM
  #2718  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

wheels are robart and look a lot nicer than the pic my cam is very cheap. devins I have thought of a tail hook i am waiting to see the weight. After tommorow all light wires will be routed and servo wires in place. I need 2 6v 3000mah pack to retract just the wings so im probably going to do the first flight wings locked then if she flys ok put the other batts in or if she needs nose weight she will get the batts.
I have to clean my mess my wife made that clear and after seeing the pic Im ashamed shes right. she wants me to buy a nice cabinet and organise my stuff if I stay upstairs. I think thats fair! I am off all week on spring break and flew once we have wind rain and snow this week!
Old 04-02-2007, 10:46 PM
  #2719  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

heres more I have the williams bros wasp engine. I KNOW THE CORSAIR DIDNT HAVE A WASP wouldnt want the scale purists to have a fit but it is made for rc use and will look great. more of the tail and wing wiring
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Old 04-02-2007, 10:48 PM
  #2720  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

on the tail pic the two dots above nose are my cats glowing eyes oh I could have turned all the lights on ill do that tomorow. cant fly might as well build
Old 04-02-2007, 10:53 PM
  #2721  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

thanks rc pilot for the info mine will be a flying brick most likley about 31 32 when all done i have to glass light and sand well
Old 04-03-2007, 12:34 PM
  #2722  
Chad Veich
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

I flew a Byron Corsair for several seasons that was about 31-32 pounds ready to fly and it flew just fine. The TF is the same size and will handle the weight easily. Just respect it around the stall as with all heavily loaded warbird types.
Old 04-04-2007, 11:26 AM
  #2723  
timothy thompson
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

where is everyone????
Old 04-04-2007, 11:53 AM
  #2724  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

There hear watch the hit count go up.

I am in the ho hum stages of my new project so I mostly just read and learn from what I see. hopeing the weather will break and our field will be dry enough to get a maiden on my corsair after the Toledo show, still have to test the engines on all 3 birds as I pickeled them for the winter, and the weather wont let me do that its 25deg hi to day[>:]

Catch you later

Cheers Bob T
Old 04-04-2007, 12:08 PM
  #2725  
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Default RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair

Tim & Bob,

It's 80 here today and sunny. Now for the really bad news, the wind is blowing 25 - 35 MPH and the weatherman says it's because you guys are send us an Artic Blast. Thanks a lot guys, thanks a lot! I just went by the field and there was no one brave or stupid enough to try and fly!

David
CorsairBrotherhood #3


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