RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair  
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RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 10/31/2005 5:32:15 PM   
wulf190



Posts: 1099
Joined: 3/31/2002
From: chicago, IL, USA
Status: offline 		Going to ebay to "buy it now" on the servos. I think they were of average strength as opposed to the little tiny weakest ones that are like 10 oz/in. or something.

Excellent to know on the CG. To be truthful, I don't mind flipping the door switch separately. I think that setup you've got is tough to beat for reliablity and simplicity though it's just one of the successful options as we've seen.

My 148's are good units. They seem nice and tough, very able to hold up to the load. I've got two sets of wheels to buy this week, the Aerotech's for this plane, and a set for my 1/5 FW, and between the two, it'll be more than 200 bucks. . I can buy new wheels for my Honda for that, four of them. But, hey, I'm not in this hobby to save any money anymore. Good stuff costs dough.

(in reply to onewing)
       Post #: 276

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 10/31/2005 10:53:06 PM   
Peter_OZ



Posts: 4751
Joined: 6/5/2002
From: Brisbane, , AUSTRALIA
Status: offline 		RT,
mate love the way you have your gear doors done, excellent work. Could you post some pics of the front as to how the front door is hinged at the bottom and the trailing arm linkage you use to the gear strut?

thanks
cheers
Peter

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www.petenplanes.com.au

(in reply to rt3232)
       Post #: 277

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/1/2005 3:21:25 AM   
rt3232


 

Posts: 2290
Joined: 12/4/2004
From: hastings, MN, USA
Status: offline 		Pete


Will try to take some close up's, later this week and post.

Bob T

(in reply to Peter_OZ)
       Post #: 278

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/1/2005 4:50:08 AM   
bosssman


 

Posts: 310
Joined: 5/7/2004
From: Moreno Valley, CA, USA
Status: offline 		Hi Bob, Mike, et al:

I am embarrassed that I started this thread and because of what happened to me job-wise, I have been hanging in the background. I am AMAZED at some of the posts I have read and the DETAILED PICS of operating gear doors and cockpits and other GREAT ideas!! I am almost ashamed to post any pics at all as I am WAY behind you guys - I have the top fuse done and sheeted and starting on the bottom half. I have FINALLY finished up laminating that MASSIVE main spar from 6 separate pieces. Keeping it aligned during each phase of gluing was a challenge, but I ended up with a fairly flat and straight main spar and have begun to glue the ribs to it to create the center section. I want to keep going on the center section so I can get to the retract mounting phase and follow along what Bob, Mike and others have already accomplished....

I must say for those that don't have this kit that it is BIG. I have other large kits waiting in the wings including a 1/5 Pica P-40 and Pica 1/5 Spit to mention a couple. I also have a Saxton Hellcat, which is a "knock-off" of the very popular Byron Hellcat. Now that sucker is HUGE!!! But, it is of fiberglass and foam wing/tail feather construction which doesn't really equate to building a 100 percent balsa 80+" warbird. I am extremely grateful for all the ground work that has been laid and hopefully I will be able to contribute a bit myself....

randy

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"If you're in control, you're not going fast enough" (Parnelli Jones)

(in reply to rt3232)
       Post #: 279

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/1/2005 10:39:55 AM   
rt3232


 

Posts: 2290
Joined: 12/4/2004
From: hastings, MN, USA
Status: offline 		Hi Randy

I ve seen your name lurking around RCU so I new you were out there, But it great to have you back cant wait for some pic's,


Bob T

(in reply to bosssman)
       Post #: 280

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/1/2005 4:46:51 PM   
onewing



Posts: 131
Joined: 1/7/2003
From: Sugar Land, TX, USA
Status: offline 		Randy,

George Jenkins wrote a review article on this kit for R/C Modeller magazine. You can find that article on Top Flight's website.

He made many re-enforcement on the structure which I followed. The obvious ones are:

1) Add shear webs on the outside wing panels. I was really surprised the original design does not have shear webs. Even TF's 60 sized warbirds have shear webs.

2) In the original design, the ribs are just butt-glued to the main spar. I think that is too weak. George Jenkins add triangular pieces (I forgot did he use spruce or balsa) to re-enforce those areas.

3) Use 1/8" dowels to re-enforce the structure: fire wall, wing mounting area, landing gear area, etc....

It is an article worth reading.

Also, I used the control surface throw specified in the instruction for both high rate and low rate. I found that with the CG recommended by f4you (1/2" ahead of the forwardmost recommended position) and the high rate recommended by the instruction, the airplane flies very well.

Onewing



(in reply to bosssman)
       Post #: 281

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/1/2005 5:41:35 PM   
bla bla


 

Posts: 1580
Joined: 9/19/2002
From: Oslo, NORWAY
Status: offline 		Or in other words... dare I say... generally overbuild it in the good ol' scale tradition?

_____________________________

BR blabla

(in reply to onewing)
       Post #: 282

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/1/2005 9:36:03 PM   
rt3232


 

Posts: 2290
Joined: 12/4/2004
From: hastings, MN, USA
Status: offline 		Randy

I have read All the wright up's on this Kit and have been building my secound, One the wing is plenty strong as designed, if I were to build a third I might add a stub spar bhind the wheel wells and just giggles webbing the first space out boardof the c/section, uother whise keep it light also add the firewall mods for cooling as well as the rudder and wing tipmods for looks. if I was looking for a SCALE bird to build then I would pick a different kit

Bob T

Iam ready for some pic's

(in reply to bosssman)
       Post #: 283

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/2/2005 4:01:19 AM   
onewing



Posts: 131
Joined: 1/7/2003
From: Sugar Land, TX, USA
Status: offline 		bla bla,

I think this is one of the reasons we like to build from kits. Each person can build it with his own flavor. This is just a hobby, and there is no absolute right or wrong in terms of how strong your structure should be (well at least it has to be safe). I admit that I may be over-building a bit. But hey, this is my kit and I like it that way.

The extra weight coming from re-enforcing the structure obviously did not affect the flying quality. This airplane flies so well that I am glad I did not skip those re-enforcement because of the fear of weight gain.

Use common sense to decide if you should make some re-enforcement. If you can strengthen the structure by 10% with a 1% weight gain, then it is an viable option.


Onewing

< Message edited by onewing -- 11/3/2005 12:46:23 PM >

(in reply to bla bla)
       Post #: 284

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/2/2005 10:55:41 AM   
rt3232


 

Posts: 2290
Joined: 12/4/2004
From: hastings, MN, USA
Status: offline 		Onewing
As long as you are happy , thats all that counts


Bob T

(in reply to onewing)
       Post #: 285

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/3/2005 12:33:00 PM   
ctflyboy


 

Posts: 581
Joined: 7/8/2002
From: Willimantic, CT, USA
Status: offline 		Bossman, & to ALL
I am grateful for you starting this thread,I have built a few scale projects but, all I had then was books for references, I have learned so much from all of the input from this thread.Its nice too know that there are people out there that have a wealth of knowledge and are willing to share it with you.

Man, THIS IS A GREAT HOBBY
Thanks
George

_____________________________

Remember, Man''s 2nd greatest adventure is FLYING,
LANDING is his 1st.

(in reply to rt3232)
       Post #: 286

RE: GROUP BUILD - Top Flite Giant Scale F4U Corsair - 11/3/2005 1:38:11 PM   
rt3232


 

Posts: 2290
Joined: 12/4/2004
From: hastings, MN, USA
Status: offline 		Ctflyboy

You were asking about my muffler take a look at post's 53, 55, and 56 in this thread, if you can print them do so as it will help when I get the dim's together for you.


BobT

(in reply to ctflyboy)