RE: 1/8 scale TopFlite Corsair Mods (Full Version)

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Harpoon -> RE: 1/8 scale TopFlite Corsair Mods (1/21/2004 11:09:42 PM)

This is the best gun sight images I have. I don't know if these images will do. The first two images from Vintage Fighters FG1-D Rebuild, described as a Mark VIII. The third from FG1-D "Marines Dream" with an extra dark glass plate (Sunglass ?)
Accordingly to my books most of the WWII corsairs had a standard Mark VIII reflector sight.



hoonnz -> RE: 1/8 scale TopFlite Corsair Mods (1/22/2004 4:53:58 AM)

Fantastic! Thank you for those, the best images I've seen and now I can make a much better gunsight for my current Corsair that I have just started. Only missing view is from the top, I assume there is a light shining up through a lens to project range markings on to the glass circle.

Brian



Harpoon -> RE: 1/8 scale TopFlite Corsair Mods (1/22/2004 11:56:16 AM)

I do not have a picture from the top, but the sight is completely round, with exception of the rubber protection pad on the cockpit side. It is notable how much of the forward view that is blocked by the gun sight. That is maybe the reason why most restored corsairs fly without them. Here is another view with gun sight light on.



Rocketman612 -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 1:14:23 AM)

Well,
Many of us are glassing their Corsairs and would love to show the fabric detail of the outer wing panel. Both Luke and Jeff managed to pull it off with two thicknesses of sheeting. Awhile back in another thread I believe Bob H reported the was able to mimic the look by using Chartape and glassing over it.

Here is my attempt to reproduce his work. I took 1/16 wide tape and placed it where the ribs are located. The tape is burnished well. Next I applied the glass as per Jeff H (proflooney) with Deft lacquer. After one coat it looks good with good adhesion. Will give more coats and post more photos. This photo is of the tape before glassing. Pete



kram51 -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 2:59:53 AM)

Pete
How do you plan to define the perimeter of the fabric area? I'm liking your method for this part of the wing. Much easier than shaving out the wood as Luke did. My hands aren't that steady!

Mark



Rocketman612 -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 3:19:29 AM)

Mark,
I did not want to outline this area with tape but rather just let it blend in with the rest of the wing. The effect looks good so far. It looks like I have good contact along the tape edge. My digital camera is acting up so only the initial photo came out. I'm spending $ on planes and not cameras[X(] So I will try to get more posted tomorrow. Pete



Balsa Master -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 3:22:57 AM)

edit: you posted same time as me the didto goes to previous post.

------------

dito, i was thinking of doing what i heard earlier on this post (or maybe another not sure) but taking thicker cheeting over all areas and useing the 1/16 over the area wiht ribs and then making cap strips sounded painful and i didnt look forward to the front of the dip with the compound curve there.

this method looks much nicer, wht kind of tape is that? ive never heard of it b4...

(will post pics of my corsair when i get them... i took em but cant upload em to my comp. nothing exciting though its just the skeleton)



voyager_663rd -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 3:39:09 AM)

quote:

ORIGINAL: Balsa Master

this method looks much nicer, wht kind of tape is that? ive never heard of it b4...



I believe its just "chart tape". Comes in many widths, this being one of them.

http://www.summitpost.com/details/Magna-Visual-Vinyl-Chart-Tape-1-16-x-648-Black/45377.html



Rocketman612 -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 3:43:18 AM)

OK here we go. I finally got the images out of the camera. The first is glass only then right after the poly. Pete



Balsa Master -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 4:00:42 AM)

thanx.

what kind of glass is that, it looks very smoth. and it lays very flat too. much niver than the stuff ive used in the past.

also, about the gear reduction mentioned earlier, cna u put a gear unit on a mag 1.08? i didnt no you could put em on gass engens period so... it would be nice to turn a 20" prop [:D] that scale enough? all youd have to wory about is the plane rolling and the prop hitting the ground.

btw, if ne 1 got some more pics of thire door set up id love to see em, though im leaning towards the spring method shown earlier. im pretty sure i can do that esp since gravity does the hard part for you and all you need to do is keep the doors from flaping back and forth. seems easy, wish i though of it.



kram51 -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 5:34:30 AM)

The RCV motor has the gear reduction built into it. The motor is unlike any other glow engine you'll see, anywhere. Here's the website http://www.rcvengines.com/model_home_page_full.htm

Pete
Thanks for the additional pictures. I really like how your wing looks there with the glass laid down over the tape. Keep up the hard work!

Mark



Rocketman612 -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 10:18:32 PM)

Still looking good after three coats of poly. Sorry for the glare trying to get a good angle so the depth of the tape is seen.

Using Sig 0.56 glass cloth.

Pete



Balsa Master -> RE: 1/8 scale TopFlite Corsair Mods (1/23/2004 11:00:14 PM)

looks nice, ill have to try some of that. in past ive used 2oz glass from fibreglast.com good stuff but hard to lay in compound curvs.

also, is there a reductino unit that i can add to an existing engine, say maybe a magnum 1.08?? im simply not satisfied with the 14" prop, it looks so wrong[:o]

oh btw, try lifting hte LE till the TE cant be seen and al lthats seen is the area with the tape, this should outline the depth of the tape nicly.

now that my glue set up, time to find f8... i wonder where i put it...[8|]



kram51 -> RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 12:43:06 AM)

2 oz cloth?!?!?! WAY TOO heavy for such a small plane. 3/4 oz is the absolute heaviest fiberglass cloth to use on any TF 60 size bird.
notice that Pete is using .56 oz, that is about the lightest cloth you can get.
Mark



Balsa Master -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 4:45:48 AM)

[:)]never said i used it on a plane.

i build rockets too ya no...[;)]

theres lighter cloth than .56 oz, go to a local auto store ive seen cloth in the .2 oz areas.



ne 1 no of a say 16 X 4 or so 3 blade? i figure my engine will turn it and it will look more scale than the 14"



Balsa Master -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 8:56:02 PM)

just finished the left wint tip, all that i need to do is instal retracts , sheet, mount engine and glass. so close yet so far

pics later, hopfully tonight

the fuse wiht 3 servos, engine and 2 pieces of sheeting (preventing warp) as wel las my 1200 MHa batery weigh in at 4 lbs and the whole thing is 5.1 lbs unsheeted and unfinished. is that about right? (this weight include retract tail wheel)

also, the planes built rihgt but it has an incredible amount of right thrust, is this normal?

looks sorta like this (real pic later) maybe a little later since im not lookign at it right now. it look like way too much to me, but when i look the F2B and F2 are flat against the piece that sets the thrust angles so im confused. i no the fuse is straight and symetrical everything came out good but im worried about that right thrust, it looks mroe like 5^o rather than the 2 the instructions say it has.



Rebsix -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 9:34:04 PM)

Hi all, I'm building a 1/8 Corsair from scratch and following this thread very close, great ideas, and awesome looking Corsair's here. I drew my own plans using the 3 views from the Vought web sight. I'm trying to make everything I can for this except the radio gear, and hardware. I'm even mixing my own fuel. The cowl is done, and I'm attempting the oil coolers, but the canopy is proving to be a problem. I want it in 2 pieces so it can slide but scratch built isn't easy.
I found that using the "real thing", there are several things not usually included in r/c models. For instance....

Has anyone set the vertical stab with the 2 degree offset to compensate for the engine torque? If so, any feedback on how it helps or hurts?

Also, for the super detail guys, the early Corsairs didn't have a floor in the cockpit, Just 2 rails for the rudder pedals and a huge void below.

Thanks to a fellow Michigander for this post...great job

Rebsix



voyager_663rd -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 9:37:27 PM)

quote:

ORIGINAL: Rebsix

Also, for the super detail guys, the early Corsairs didn't have a floor in the cockpit, Just 2 rails for the rudder pedals and a huge void below.


Rebsix


Oh how I would love to see a pic of that. [;)]



Rebsix -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 10:24:41 PM)

This is the best I can do for now. I'll look through my books for more.



voyager_663rd -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/24/2004 10:46:58 PM)

I can see the frame where the stick goes down but obviously not thru to the ground. Hope you're successful in your search. This is just curiousity as I'm building the 1D, so don't bust a gut looking for one.



Rebsix -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/25/2004 12:54:15 AM)

From "F4U Corsair-in detail and scale":


"The layout of the [F4U-4] cockpit was completely redesigned. All previous Corsair variants had a floorless cockpit with two foot troughs below the rudder pedals. Beginning with the F4U-4, and the F4U-4B, a floor was added."

There isn't a detailed picture in the book, since I only have the F4U-4 through F4U-7. I don't think it will matter much with the limited view into a 1/8 scale plane. But a green floor would not be scale.
As I said before, for only the "Super Detail" guys.[:D]



Super Corsair -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/25/2004 1:41:55 AM)

quote:

ORIGINAL: Balsa Master


also, the planes built right but it has an incredible amount of right thrust, is this normal?




Does it look like this? My plans are to eliminate that right thrust and give the vertical stab 2 degree to off set the tork.



F4U Killer -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/25/2004 3:14:53 AM)

According to the Author of The Black Sheep. The Definitive Account of the Marine Fighting Squadron 214 in World War II

One of the Excerpts from a Pilot. The earlier version had a Plexus Glass floor so the pilots could see out the bottom, but due to the dirt and Jungle debris it was useless and thus discontinued in latter versions.


quote:

ORIGINAL: Rebsix

Hi all, I'm building a 1/8 Corsair from scratch and following this thread very close, great ideas, and awesome looking Corsair's here. I drew my own plans using the 3 views from the Vought web sight. I'm trying to make everything I can for this except the radio gear, and hardware. I'm even mixing my own fuel. The cowl is done, and I'm attempting the oil coolers, but the canopy is proving to be a problem. I want it in 2 pieces so it can slide but scratch built isn't easy.
I found that using the "real thing", there are several things not usually included in r/c models. For instance....

Has anyone set the vertical stab with the 2 degree offset to compensate for the engine torque? If so, any feedback on how it helps or hurts?

Also, for the super detail guys, the early Corsairs didn't have a floor in the cockpit, Just 2 rails for the rudder pedals and a huge void below.

Thanks to a fellow Michigander for this post...great job

Rebsix



hoonnz -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/25/2004 3:24:49 AM)

Balsa Master and Rebsix

Where is the right thrust built in? It should just be in the mount spacers, the firewall I assume is straight. Up to 3 degrees will be fine, but if it is more then fix it. Did you sand too much of the ply spacer? Or sand more than one spacer, doubling the right thrust?
Do Not substitute right thrust in the motor with right thrust on the fin/rudder [&o]. The right thrust from the motor is in proportion to the torque of the motor so it is correct at all revs. The rudder offset is only correct at one airspeed so if you slow down you are off to the left and if you speed up you are off to the right.

The Corsair was originally designed to be able to drop small bombs on enemy bomber formations and was to have a perspex or glass window in the bottom of the fuselage for sighting, that's why no floor. the idea was scrapped when it went into production. Leaving the floor out of a model is not realistic. You could only see the fact with great difficulty, and it robs room for servos etc. I want to put in an opening canopy, but at this scale it's getting pretty fiddly.

Brian



kram51 -> RE: RE: 1/8 scale TopFlite Corsair Mods (1/25/2004 3:26:06 AM)

Hey guys, I'm hoping one of you has the cockpit panel decal that you could scan for me. I've not been able to locate my own and want to move forward on it.
[&o]
If you could scan it and email it to me that would be great!!!

[:D]
Mark



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