Vought F4U-1A Corsair (Tamiya 1/48)

Started by John vd Biggelaar · 311 · 11 months ago · 1/48, Corsair, F4U-1A, Tamiya, Vought
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    George R Blair Jr said 1 year, 3 months ago:

    Looking good, John (@johnb). My canopies looked very similar. It gets to be fun when you are done painting and you have to pull off all of the micro-strips.

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    Eric Berg said 1 year, 3 months ago:

    John@johnb - I just got word from Louis that most of the time the canopies were kept closed to keep the elements out, especially because of tropical rain regardless of the wing fold. But, if we want to show the front office... And yes on the flaps up when parked.

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    John vd Biggelaar said 1 year, 3 months ago:

    @gblair, thank you, George. Currently preparing the rear canop part in the same way. Works quite well this way.
    @eb801, thanks, Eric. I think I will go for a closed canopy than. The flaps up will be a different story, all are glued in lowered position now already.

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    John vd Biggelaar said 1 year, 3 months ago:

    @eb801, today I was looking for the possibility to still have the inner flaps up. Searching a bit on the net I found something interesting. When you look at historical images of F4U with folded wings, the inner seem indeed to be in the up position like you mentioned. Looking at images of restored aircraft, most of them have the flaps lowered. I'm wondering why you see these differences between the old aircraft and restored aircraft.

    4 attached images. Click to enlarge.

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    Eric Berg said 1 year, 3 months ago:

    @johnb - that is very interesting. I have noticed that myself. We need one of our iModeler Corsair pros to weigh in on this. I bet Jim would have had the answer. My guess the flaps down on restored F4U's are for maximum visual effect. Why would a wing flap be down when the wing is in the folded position like on that first photo?

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    John vd Biggelaar said 1 year, 3 months ago:

    @eb801, even in all three color pictures they are in down position, the wing flaps. Let's hope an expert here can answer that. At this moment I'm not sure if I will correct the situation currently on my Corsair, I might do more damage than good.

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    Spiros Pendedekas said 1 year, 3 months ago:

    Very interesting indeed, my friends @johnb and @eb801! I also checked b/w seasonal photos, where in most, if not all cases, the flaps were up with folded wings. So, maybe, if you aim for an operational bird, you should consider the flaps-up option as more appropriate.

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    John vd Biggelaar said 1 year, 3 months ago:

    Masked and glued the sliding part of the canopy in closed position. Just like you see them most when wings are folded as mentioned by Louis @lgardner and Eric @eb801

    I did also try to remove the flaps from their downward position but that seems nearly impossible without doing harm to the wing. I will simply leave them in down position. Maybe not like it was on an operational aircraft but most people looking at it will likely don't know it.

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    John vd Biggelaar said 1 year, 3 months ago:

    Going through some of my books about the F4U, not for the first time, I finally found a picture of the Corsair with folded wings and all flaps down, must have missed that before. The book containing this pictures is from the excellent Aircraft in Action series of the F4U by our well beloved friend Jim Sullivan. I do know it is an Honduras F4U-4 but I assume it sometimes also occured on earlier birds. It even has the canopy open, but the more friendly Honduras climate could be the reason for that.

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    Spiros Pendedekas said 1 year, 3 months ago:

    Excellent job so far, my friend @johnb! Great that you found a pic with flaps down and wings folded!

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    gary sausmikat said 1 year, 3 months ago:

    Hey John, here's a couple more for confirmation.

    2 attached images. Click to enlarge.

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    John vd Biggelaar said 1 year, 3 months ago:

    @fiveten, thanks a lot, Spiros. Mostly with the flaps up but I do have an excuse to keep mine in down position.
    @gwskat, thank you very much, Gary. Very nice pictures which, on the first picture, shows it did happen on earlier ones as well.

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    Louis Gardner said 1 year, 2 months ago:

    John vd Biggelaar (@johnb)
    I'm sorry for the late entry. I have been working on completing the FM-2 Wildcat, and have not logged into Imodeler in a few days.

    You are fine to build your Corsair with the flaps down and the wings raised. It is occasionally seen in wartime era photos where this is done. Personally I like the Corsair better with the flaps dropped. I think it looks better this way.

    I have an idea as to why we often see the flaps dropped on restored Corsairs. It has to do with gaining entry into the plane. The Corsair has an entry step built into the inboard flap on the Starboard side of the aircraft. If the flaps are lowered, it is much easier to climb into the plane. It doesn't matter if the wings are folded or not.

    If the flaps are raised, you have to climb up on the main wheel, and then climb from there on top of the wing in order to get into (or on) the plane. On wartime planes they were likely concerned with foreign object debris hitting and causing damage to the flaps if they were lowered and the engine was running. Plus the engine oil coolers are located in the leading edge of the wings, just ahead of the main gear wells.

    It could be possible the coolers might not work as efficiently when the flaps were down. This is a guess on my part and not a known fact. I know the Spitfire was affected in this manner.

    The center flap had a disconnect button on it. This would allow the ground crews to drop the center flap by disconnecting it from the linkage. This was done to perform maintenance or install the wing mounted weapons. When the flap was dropped / disconnected, this allowed the ground crews easier access to the rear portion of the weapons bay.

    As far as the flaps being raised or lowered, in conjunction with having the wings folded, to my knowledge, it didn't matter. The flaps could be either raised or lowered, depending on the conditions, and usually followed the maintenance unit's SOP's. These excellent pictures that were posted by our friends show it could go either way with the wings raised or lowered.

    The same thing went for the canopy, and if it was closed or not. In many pictures of Corsairs in the Pacific theater, we often see the canopies were closed. On occasion they are photographed in the open position too. My personal thought about this are weather and environment related. By closing the canopy, it helped to keep the cockpit dry and a bit cleaner too. But the trade off for closing them was the temperature often climbed to excessive heights inside the cockpit.

    You could indeed cause damage if you try to remove the flaps and reposition them. I would leave them as is.

    In the end, the choice is yours, and I would build it to suit personal tastes. Have fun with it... 🙂

    You are doing a magnificent job with your Corsair John, and I look forward to your next installment.

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    John vd Biggelaar said 1 year, 2 months ago:

    @lgardner, thanks a lot for this, Louis. I'm glad some pictures were found with all options shown. It is possbile now to build it anyway you want. And I don't have to change anything at my current progress.

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    John vd Biggelaar said 1 year, 2 months ago:

    Finally started with the paint preperations. A first layer of primer, also to check if some clean-ups are required. Not looking too bad I have to say.