RE: 1/8 scale TopFlite Corsair Mods

RE: 1/8 scale TopFlite Corsair Mods
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RE: 1/8 scale TopFlite Corsair Mods - 7/17/2008 1:43:43 AM

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quote:

ORIGINAL: NCIS
I don't believe there are any Corsairs flying in the Midwest except when they have the EAA Oshkosh Fly In and Air Show.

Mike George has a flyable F4U-5FN based in Springfield, Illinoise.

(in reply to NCIS)

RE: 1/8 scale TopFlite Corsair Mods - 7/18/2008 8:05:11 PM

DreamingTree1027

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From: Bowling Green, OH, USA
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Thanks guys,

When I got this kit it came with retractable pneumatic landing gear, I wanted to be sure that they would work for this plane. They are Century Jet model retracts. They do rotate 90 deg but I am afraid they are too heavy and bulky. I am almost positive that the ones in the link are the ones I have. http://www.centuryjet.com/webstore/moreinfo.cfm?Product_ID=81 That is the link. Anyone else have century jet retracts opinions.

Sorry this is not technically following the forum topic but this has been a good place to ask ?'s about this model!

Also if anyone needs an extra set of plans I have several. They are copies, as I work at an Architecture/Engineering firm I can get copies of drawings this big.

Thanks in advance,
Flyin' Bryan

< Message edited by DreamingTree1027 -- 7/18/2008 8:24:55 PM >

(in reply to Chad Veich)

RE: 1/8 scale TopFlite Corsair Mods - 7/19/2008 5:01:10 AM

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Bryan, I believe those CJM retracts are for the 75" span Brian Taylor design which Bob Holman kitted some years back. Substantially larger than what you would need for the smaller TF kit.

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RE: 1/8 scale TopFlite Corsair Mods - 7/19/2008 2:19:56 PM

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quote:

ORIGINAL: DreamingTree1027
............................ I am almost positive that the ones in the link are the ones I have.
http://www.centuryjet.com/webstore/moreinfo.cfm?Product_ID=81

.....................Sorry this is not technically following the forum topic but this has been a good place to ask ?'s about this model!

First off, the CenturyJet retracts which are made for the Top Flite 1/8 scale Corsair have 3/8" diameter struts, just like the ones in the link that you provided. This is the normal size for struts in this size Corsair (even the smallest Robart RoboStruts are 3/8" diameter).

Secondly, CenturyJet produces MANY simular size rotating retracts, which are specically designed for suchplanes such as various P-40s, Hellcats, the Kyosho Corsair, Hangar 9 Corsair, as well as the Top Flite Corsair (and Royal Corsair?). Each set is designed for those specific aircraft, with the only differences usually being strut length. In many cases, a set design for one aircraft could be used on another. Actually, I think that Hollman had a 1/8 scale Corsair offering at one time (same scale as Top Flite and Royal), so maybe they ARE the correct size.

So my question is: why are you "almost positive that the ones in the link are the ones" you have? What info do you have to support your theory?

The best thing to do would be to contact CenturyJet. Be sure to have your retracts nearby, with something to take measurements with.

< Message edited by CorsairJock -- 7/19/2008 2:26:31 PM >

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RE: 1/8 scale TopFlite Corsair Mods - 7/19/2008 4:33:08 PM

DreamingTree1027

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Actually after a little more research the retracts are Century Jet model #33325, and they will work for the top flight corsair.

Thanks for your help guys

< Message edited by DreamingTree1027 -- 7/23/2008 3:07:12 PM >

(in reply to CorsairJock)

RE: 1/8 scale TopFlite Corsair Mods - 7/23/2008 3:08:32 PM

DreamingTree1027

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I got started on the stab, and am on my way (only about 99.8% to go

) to a 1/8th scale version of a Corsair. Wooohooo.

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RE: 1/8 scale TopFlite Corsair Mods - 8/2/2008 7:11:50 AM

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Hi,

I am about to start making horizontal stab for my model, i been going through this thread from beginning till 16pg, i didn't see anyone mentioning any mods that horizontal stab and elevator might need as compared to stock build. Can anyone of regulars of this thread link me to mod section that covers my concerned area. Thanks in advance.

Sammy
Ps, i will start cutting the parts for now untill i get the answer to my question.

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RE: 1/8 scale TopFlite Corsair Mods - 8/2/2008 10:28:38 AM

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There has been very little discussion on the stab and elevator, because their outlines are fairly accurate. About the about the only thing one could do would be give them a more accurate chord, by making it airfoild shaped (rather than flat).

< Message edited by CorsairJock -- 8/2/2008 10:29:22 AM >

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RE: 1/8 scale TopFlite Corsair Mods - 8/2/2008 2:01:47 PM

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Thank you Corsair jock for your response, i will certainly try to make the airfoil in the chord and start building the stab and elevator now.

Sammy

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RE: 1/8 scale TopFlite Corsair Mods - 8/2/2008 4:53:07 PM

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Second question for Corsair jock.

Would TF F4U cockpit kit work for my F2G with or w/out mods done to it?
I'm looking on buy one now. Plus would TF P-51 60sz Canopy work on my model or not?

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RE: 1/8 scale TopFlite Corsair Mods - 8/2/2008 8:33:01 PM

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Both would work, however: I have no idea how accurate either one is. The Top Flite cockpit kit leaves a lot to be desired, as far as accuaracy and detail, even for an F4U-1A ot D. I'm pretty sure the cockpit arrangements changed by the time Goodyear was making the F2Gs. I do not have any pics or documentaion on the F2G cockpit.
As for the canopy: I'm sure it would fit, but again: I don't know how accurate (or in-accurate) it would be.
Maybe Luke knows?

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RE: 1/8 scale TopFlite Corsair Mods - 8/3/2008 4:08:07 AM

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Well this really doesn't answer my question. I know what you mean for the cockpit kit but as for canopy, Luke did said he will send a spare one but for last few days he hasn't returned any of my pms, so i really don't know.

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RE: 1/8 scale TopFlite Corsair Mods - 9/29/2008 8:57:25 AM

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Ok, so I'm still in the planning stages with building my Gold Ed TP kit. As far as modifications are concerned this is what I'm planning into the do;

Fuselage:

I agree with what what posted somewhere in the VERY early posts in here that the fuselage looks really "flat" from the waist line up. This, I'm hoping I can address and redesign the waistline up fuse sections. (F7-F11). I'm undecided if I will add a retract tail wheel, but I will be re-enforcing F9B in case I decide I'm going to try fabricating a tail wheel assembly. The nose will be shortened to accomplish a more scale appearance, along with the proper "beveled" under the cowl flaps.

I'm hoping someone might be able to help me determine the proper amount of incidence of the main wing and the elevator. I just can't find out how much the LE of each has to move upward to accomplish the scale amount.

Also, what was the general consensus, did the nose have to move backwards 1/2 inch? or was it that F1&F2 moved back 1/4 inch with shortening the cowl flaps by 1/4 inch...?

Main wing:

Tip reshape will be carried out. I think it adds to the kit SOOOOO much in scale appearance.

The main flaps I'm hoping to address as well, I would like to make the sizing between the ailerons and the flaps closer to the scale sizing. From every picture I've seen, I've noticed that the flaps seem to go deeper into the wing than the ailerons (can someone confirm this?), so the TE would actually have a "step" heading towards the tip.

Rotating retracts w/LG doors will be added.

Tail Section:

I will also be making the tail sections (fin/rudder & stab/elev) both have proper airfoil shape, and not the "flat piece of balsa look" that the kit came with. Along with the 1/64 plywood "sheeting" to complete the look of the rudder of the trim tab and the non cloth control surfaces.

One other question. But, does anyone know what changes happened to this kit during the "revision" I have the original TOPA0100 Gold Ed kit, and I can't source or find out any info on what exactly the revisions were? TF has since discontinued the "revision package" now, so I'm SOL on finding that one. I just wish I knew what was revised.

I thank you guys for creating the EXCELLENT thread, I knew there were small "inconsistencies" with R/C modeling, but man, this thread has really opened my eyes.

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RE: 1/8 scale TopFlite Corsair Mods - 9/29/2008 10:33:44 AM

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quote:

ORIGINAL: rs_two_five
...............................I'm hoping someone might be able to help me determine the proper amount of incidence of the main wing and the elevator. I just can't find out how much the LE of each has to move upward to accomplish the scale amount.

Full scale incidences are posted in post #5 (page 1), and general discussion of modifications to acheive proper incidences is in posts precceding and after this that post. Rocketman modified his, and he discusses what what did.

quote:

ORIGINAL: rs_two_five
...........Also, what was the general consensus, did the nose have to move backwards 1/2 inch? or was it that F1&F2 moved back 1/4 inch with shortening the cowl flaps by 1/4 inch...? ............................................

It's been a long time, but I believe that MAINLY the cowl needs to be shortned by about 1/4" (before adding the cowl flap ring), and the cowl flap ring could be shortened slightly also (maybe about 1/8 ~ 3/16"?). But the big thing in this area is making the front of the fuselage rounded. This not only makes it more scale, but also vastly improves engine cooling, without having to add air exit holes.

Also: don't forget the wingtips: they are WAY off from scale.

< Message edited by CorsairJock -- 9/29/2008 10:41:54 AM >

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RE: 1/8 scale TopFlite Corsair Mods - 9/30/2008 4:05:23 AM

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Yep, I've got the wing tips also included in my HUGE list of mods. So I've got one other question for you CorsairJock, when you added the 3/32" ply to the outboard edge of the rudder, did you just shave off the thickness of the ply into the already constructed control surface? I'm almost thinking due to plywood being so hard to shape it would almost be better to just "cap" the center section of the rudder, then do the extra details in thin balsa. Sort of like the picture included. I believe it would save any access weight from the tail, while still accomplishing the same final result of having a tail section that might take a endo. The overall rudder contour would be modified to match more closely to the original rudder assembly along with the antenna post added into the center core of the tail..

< Message edited by rs_two_five -- 9/30/2008 4:08:15 AM >

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