Guillows Giant Scale Balsa F4U-4 Corsair  
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Guillows Giant Scale Balsa F4U-4 Corsair - 5/13/2008 2:30:55 PM   
john46


 

Posts: 39
Joined: 5/3/2008
From: Postville, IA, USA
Status: offline 		I was told I should post here so here I Am LOL
Was wondering if any 1 out there has ever Built the Guillows Giant scale Balsa F4U-4 Corsair it is Designed to be flown rubber powered on the box it says that it is Ideal for simple radio control with any single channel or single channel pulse equipment gas engin req is either a .049 or .07 I plan on using the thunder tigar GP .07 I have also been told its best not to cover the plane frame with Balsa wood skin this plane also has the folding wings and retractable landing gear would like to hear your input and would like to talk with others that have built 1 of these the wing span is 30 3/4 by the way

John
       Post #: 1

RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/13/2008 4:18:36 PM   
john46


 

Posts: 39
Joined: 5/3/2008
From: Postville, IA, USA
Status: offline 		ok since I posted the last post I have called tower hobbies and talked to a tech there since this is my first plane I want to research research research I was going to buy a Thunder tigar .07 engine But come to find out that Tower Hobbies has a engine that is less in weight it is the AP .061 and the tech also said less is Best so for every 1 that is starting to Build there first plane you must research every thing and ask Questions witch I have for the last week even on here this site is the Best I have found when people tell me you cant I say I will and I end up doing it and it works I always tell the wife never tell I cant because I will LOL there are a great Bunch of People out there that are willing to Help and give you good pointers on what to do and not to do I Just want to say thanks to every 1 that has told me things to help so I have started Building my Guillows F4U-4 Corsair


JOHN

(in reply to john46)
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RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/13/2008 6:47:37 PM   
Mr Cox



Posts: 282
Joined: 7/20/2007
From: Gothenburg, SWEDEN
Status: offline 		I agree that you'll need a lightweight engine but I haven't seen any figures for that plane. What is the wing area and estimated weight?

Converting from CL, or FF, to RC is a bit tricky as the main change is only added weight. I havent' done it myself (yet) but often been tempted, only to chickened out when I did the math with wing area and total weight...

(in reply to john46)
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RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/13/2008 9:16:47 PM   
digital_trucker



Posts: 1145
Joined: 2/4/2006
From: Dorr, MI, USA
Status: offline 		Waittaminnit...did you say this is your FIRST plane? First as in first ever or first as in first 1/2A scale plane?

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RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/13/2008 9:22:03 PM   
eroc144



Posts: 403
Joined: 10/4/2004
From: Downingtown, PA, USA
Status: offline 		John,

The short quick answer is that it can be done, just not easily. I converted the Guillows Zero a few years ago because I was bored, had a lot of time on my hands, and wanted to see if it could be done. It flew, but it's not for the faint of heart or slow of reflex, and mine works better as a display model hanging from my son's ceiling than it does with a regular slot in my flying rotation. Of course YMMV.

If you build it light then the AP .061 will probably power it - By light I mean no more than 15 oz, and that rules out folding wings, retracts, landing gear in general, sliding canopies, etc. The Corsair's gull wings make belly landing a challenge, and it will spin / cartwheel down the runway unless your landings are nearly perfectly flat. At least my Simple Series Corsair did. At this scale, landing gear doesn't work on grass (except for putting greens, although the golfers get upset if you land when they're putting) but if you have a paved runway then they can work.

Try a search on the 1/2a forum for "Guillows" - you'll find a lot of valuable info about Guillows planes in general, and converting them to RC in particular. I think you'll quickly see that it's not a good choice for the "first time builder or first time flier," but if you decide to do it anyway I'll cheer you on, and will keep a supply of tissues around in case the maiden flight goes south...

EG

< Message edited by eroc144 -- 5/14/2008 6:02:30 PM >

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RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/14/2008 2:24:33 AM   
john46


 

Posts: 39
Joined: 5/3/2008
From: Postville, IA, USA
Status: offline 		well it has been about 18 hrs and I Just got done with the fuselage frame it weighs about 2 cigarettes nothing more
I will be starting the wings tomorrow I think I will have fixed Landing gear and fixed wings to cut Back on the weight I would take a photo of the Fuselage frame and post it But I dont know how to up load it here again it is of the F4U-4 Corsair

John

(in reply to eroc144)
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RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/14/2008 3:29:47 PM   
gcb



Posts: 2340
Joined: 10/24/2002
From: Port Ewen, NY, USA
Status: offline 		John,

If I remember correctly, the plans already has conversion RC information on them, correct?

If you have building questions along the way, ask. It's easier to correct things BEFORE you apply glue.

Again, good luck.

George

(in reply to john46)
       Post #: 7

RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/14/2008 5:07:04 PM   
john46


 

Posts: 39
Joined: 5/3/2008
From: Postville, IA, USA
Status: offline 		George you are right the plans do have some info not a lot so I thought why not call and speak to a tech on the engines it only had the .049 and the .07 info and I wanted to find out what els would work trying to keep it as light as I could


know that I have some Building planes under my Belt I am thinking of Buying a trainer plane that would also take the .061 gas/nitro engine that I also could use my 4 ch on incase I crash this F4U-4 I am hoping that I dont crash but if I do then I would learn from that I wont stop building planes if I was to crash I really injoy doing this although I am Just starting out I realy injoy talking with you guy and gals on here you all have been a big help on what to do and not to do

John

(in reply to gcb)
       Post #: 8

RE: Guillows Giant Scale Balsa F4U-4 Corsair - 5/15/2008 12:27:40 AM   
gcb



Posts: 2340
Joined: 10/24/2002
From: Port Ewen, NY, USA
Status: offline 		John,

You've got the right idea but I think you would be a lot happier if you built the trainer first because they are usually easier to build.

That way, you could be learning to fly (an easier to repair and fly plane) while you are building the more difficult to build and harder to fly, Corsair.

I believe this is what we all were trying to say in the earlier thread.

Chances are that after you can successfully fly the Corsair, you won't need a trainer.

Of course it's totally your choice. Have you visited that RC club yet? You might ask those guys some questions also. Perhaps they can help you learn to run that AP .061.

George

(in reply to john46)
       Post #: 9

RE: Guillows Giant Scale Balsa F4U-4 Corsair - 6/19/2008 10:37:18 AM   
Team MPP


 

Posts: 45
Joined: 12/24/2003
From: CullybackeyCo. Antrim, UNITED KINGDOM
Status: offline 		There are a lot of guillows conversions to r/c electric. Im currently about to start work on the B-17 with 4x 10g motor turning GWS 5x3 3-blade props. Servos will be 5g and 9g and 6A ESC for each motor. For your F4U I think people are are using E-Flite Park 370 size motors swinging bigger 9x6 4-blade props. The key to your conversion being successful is building really light and that will mean altering a lot of the parts in the kit. Most of the formers and other main structure parts can be reduced in size as they are designed to take the strain of a big rubber band trying to squash the airframe. At the same time other areas need strengthening to take the different strain of the electric motors. Swap the wing spars to spruce or something like that.

I really recommend reading through the different conversons available on rcgroups. Lots of useful information and building techniques to be seen that can be incorporated into the F4U to get the best from it. A couple of the best reads and ideas are posted on the Piper Cub 95 build thread by Konrad or the B-17 build thread by Smokin' Beaver. There are also a few F4U builds but 2 of these are a little older for heavier gear. CapMike has just started a modern F4U build but he is going to a lot of extremes with retracts and wing airfoil modification.

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