Revell 1/48 P-47N Thunderbolt
|NOTES:||Kits World sheet KSW148088|
I leave you to numerous books, websites and reviews here at Modeling Madness for the big-picture history of the P-47. As for the N, Republic and Alexander Kartveliís design team finally brought together all the refinements developed through the bubbletop D-series and the P-47M - weapons including rockets and bombs; Pratt & Whitney R-2800 with water injection; Curtiss Electric paddle-blade prop - and a new, wider-span wing with blunt tips and additional fuel tankage. The result was the second-fastest and longest-ranged operational version of the P-47.
P-47Nís served almost exclusively in WW II as escort and strike aircraft in the closing months of the Pacific war and stateside in the postwar and 1950s period with Air National Guard and a few USAF units. Interestingly, the postwar successor unit to the wartime 332nd Fighter Group also flew the P/F-47N.
has 103 parts, including options for rockets, bombs, or a pair of 165-gallon
P-38/P-61-style drop tanks. Wheel wells consist of three wall pieces each,
with the main gear legs molded integrally with the rear walls.
youíve built the classic Monogram Thunderbolt kits from the 60's, youíll see
few similarities in the Nís parts layout. Although a new-tool kit when
issued, the parts quality and ease of construction suggest that Revell/Monogramís
b-team handled the design and mastering.
The finesse of areas like the aileron and flap ranges from poor to average, but panel lines on the fuselage and empennage range from average to fair. Engraving on the wing hardpoints is a bit on the deep side. Not Tamigawa, but manageable. Generally, detail on the engine, cockpit and landing gear parts is soft. Some cleanup with jewelersí files will help sharpen up the detail, but aftermarket gear would be better. Scale Aircraft Conversions doesnít have a P-47N gear on its list of available sets; given that they would have to cast a gear wall too, itís understandable.
The fuselage includes inserts for the undernose exhaust waste gates, side supercharger ducts and the ventral turbo. The turbo and side vents fit well, but the waste gates donít fit in their recesses and will need some cutting and filing. The two shutters on each gate either need a lot of thinning or replacement with photo-etch or scratchbuilt pieces.
P-47Ns had a mini-antenna farm on their spine, and ProModelerís solution to that was strange at best - a poor-fitting insert with the main mast and what appears to be an insulator. Save yourself some trouble - trim off the antenna and insulator, replace the insert with a chunk of plastic stock, fair that into the fuselage and reattach the antenna and insulator later in construction. (Dorsal insert pic)
The main wheels have an overlapped-scale treatment for the diamond-pattern tread. Hub detail is passable. You can use a scriber or razor saw to engrave the tread lines but I chose to get a set of Ultracast replacements for the recessed tread and sharper hub detail.
underwing stores lack the definition that you find in Tamiya or even the
older Monogram Thunderboltsís weapons. The HVAR rockets are quite usable,
though, and the drop tanks need re-angling of the mounting tabs to hang
correctly. The 500-lb bombs can be replaced from one of several WW II US
The kit engine includes two banks of cylinders - two halves per bank - a prop shaft and a fairly accurate crankcase for the N versionís R-2800. The engine does not have the ignition harness, but detail otherwise is acceptable unless youíre taking it to a contest.
The stock Curtiss paddle-blade prop compares fairly well to the propeller in the Tamiya P-47M kit. An Ultracast propeller certainly would be sharper, but itís not a critical issue unless youíre competing with rivet-counters.
The cowling still shows the step at the cowl ring that has been a tradition of Monogram Thunderbolts since the 60's - easily fixed with masking tape and a swipe of your favorite filler putty. A separate intake splitter installs with little drama and causes no fit issues when attaching to the fuselage.
The cockpit may be the biggest source of heartburn. Unlike the older Monogram Thunderboltsí instrument panel, stick and single-unit tub/seat/consoles, the N cockpit consists of a floor, seat separate sidewalls, instrument panel, separate rudder pedals, stick, throttle quadrant and flap handle. Detail is soft, the instrument panel undersized, and fit of the sidewalls and bulkhead less than positive. Lots of test fitting will be needed.
The windscreen and canopy are slightly thick but have good clarity. A well-detailed K-14 gyro gunsight, underwing landing light lens and two undersized wingtip light covers round out the clear sprue.
I started with the wing, because it had the most visible fit problems. Test-fitting repeatedly, I installed the gear wells with my favorite cement, methyl ethyl ketone - MEK - and clamped the parts in as best an alignment as I could get. The inboard gear doors are integral to the inner well walls, and I needed to keep them attached as a visual reference for well alignment. Next time - if there is a next time - Iíll cut them off. Also, if thereís a next time, Iíll engineer a way to install the gear legs later.
Testors Model Master Euro I green airbrushed on the fuselage sidewalls and cockpit unit made a fair match for Republic cockpit green. I scraped the paint away about 1/16th inch above and below the previously scribed lines inside the fuselage for a clear gluing surface.
Now for the fuselage itself; I cemented the side vent doors in place in the rear fuselage and test fitted the lower ventral turbo panel before cementing it with MEK and securing it with cyanoacrylate glue. The duct shutter after of the turbo vent also got cut away and replaced with one made from .010 plastic sheet.
Remember the screwy dorsal antenna insert? I cut a chunk of styrene bar stock, cemented it in the insert slot and sanded it to shape when set. To provide a more secure location for the wing later on, I cemented tabs from styrene sheet just inside the front and rear wing openings in each fuselage half. Finally, I cemented together the fuselage halves and let the assembly set.
Rigging the model works better with some planning at this stage. After beating my head against a wall over several photos, I figured that the radio antenna wire ran from its fin leading edge attachment to the insulator/isolator that was on the fuselage antenna mount. Iíd already drilled attachment points for the three dorsal antenna posts, so I made a new isolator from carved and sanded plastic rod. After attaching it to the fuselage, I drilled down through it with a #78 drill bit into the fuselage interior. After all the painting, decaling and final finishing, I figured I could rig, thread the bitter end though the hole, grab it with tweezers through the tail wheel mount opening and secure it. To save the suspense - it worked as planned.
The kit provides zero positive location or retention for the cockpit. Solution? Make your own. I cemented the cockpit inside the fuselage and test fitted a length of plastic tube to wedge and cement between the cockpit floor and interior lower fuselage. For added insurance, I mixed up some epoxy putty and pressed it up and around the cockpit tub. (This is a particularly good idea as I had my cockpit come adrift when I built this kit after it was initially released. Ed)
After attaching the wing with MEK and taping the dihedral in place, I found slight mismatches along the lower fuselage/wing join that a few swipes of Tamiya gray putty handled easily.
The oil cooler vents and supercharger waste gates just forward and underneath the wing root leading edge donít fit, period. The cooler shutters also are lumpy with thick edges. I cut away the shutter doors and spent some quality time with a Dremel and small cutter bit to deepen the fuselage recesses. After cementing them in place, I broke out the sanding sticks to blend them into the fuselage before more swipes of Tamiya putty.
Using flat and square jewelersí files to refine the shutter openings, I then used an old Eduard P-47N photoetch set (the same that provided the cockpit seat) as a guide to cut new shutter doors from .010 styrene strip. After trimming and light sanding, I got all four doors to fit. I could have used the Eduard etch to refine the circular waste gates, but I felt than the kit representation had a more three-dimensional look.
The horizontal stabilizers attached with little drama after cleaning up the mold seams on the leading and trailing edges. A swipe of Tamiya putty followed with a wipe of a nail polish remover-soaked q-tip took care of the gaps in that area. The vertical fin has shallow sink marks on both sides; I outlined the offending areas with masking tape, troweled a thin later of Tamiya putty across the marks, removed the tape and sanded the areas down after the putty cured.
Now, while all this work had been progressing, Iíd been taking several breaks to research P-47N markings and equipment configurations. While working on the fin, I noticed the kit has recessed points for the AN/APS-13 tail warning radar introduced late in WW II for use on USAAF fighters. From the accounts Iíve read over the years, pilots varied in their opinions on its usefulness. Looking at various photos of Ie Shima-based Ns, I couldnít find much evidence to suggest its widespread use, but I decided this model was going to have it. I drilled the four antenna holes from each side and, thankfully, they aligned well on both fin halves. I saved their installation until after final painting and decaling.
engine and cowling caused few problems. The engine consists of two banks of
cylinders -each molded in front and back halves - a separate crankcase and a
propeller shaft to be strapped between the front cylinders and crankcase.
The cylinders fitted fairly well, with a bit of needle file work to clean up
the seams between the cooling fins. I airbrushed the cylinder banks with
Testors Steel and painted the
crankcase with Testors Model Master Gunship
Personally, I hate dealing with many kitsí propeller shaft installations, so I got two sections of nested brass tubing and reamed the crankcase shaft opening to accept the larger-diameter tube piece. I left the tube slightly proud of the crankcase front to act as a bearing.
The engine mount is molded on the main fuselage halves and has a solid front, so I opened that to avoid any clearance problems with the tubing and new prop shaft.
The kit propeller actually has a good overall shape when compared to the paddle prop in the Tamiya P-47M kit, and I cleaned it up, installed the smaller-diameter tube with JB Weld five-minute epoxy and used an old drafting triangle to align the shaft as the epoxy cured. A test fit of the engine, propeller and fuselage showed all was well.
The cowling also went together with little muss or fuss. I sprayed the intake duct part first with Testors Aluminum thinned with lacquer thinner to ensure a hard, easily-handled finish. Inserting the duct in the cowling, I penciled its position so I could lay in strips of tape to mask the cementing points. After airbrushing Testors square-bottle zinc chromate yellow inside the canopy and letting that cure, I super-glued the duct in place.
As mentioned above, fixing the step between the cowl and cowl ring was easy - I laid a strip of auto painting masking tape (tough, adheres well and is easy to lay around compound curves)along and behind the cowl ring. After using an old X-acto blade to trowel a thin layer of Tamiya putty into the step, I removed the tape, let the putty set and then used sanding sticks to blend the cowling.
After final puttying, sanding and polishing, I installed the well-molded K-14 gunsight on the instrument panel after painting the housing flat black and adding ranging dial detail with white paint. The windscreen attaches to a raised platform molded on the fuselage. It looks odd at first, but if you mask it correctly it will correspond to photos. Attaching it with a clear PVA glue or watch crystal cement will work well, but I tend to knock windscreens loose when masking them - I used MEK with a needle applicator carefully to cement the screen in place.
that set, I used Parafilm M in two layers (thanks to David Cantrell for
steering me onto that technique) to mask off the windscreen panels. The
double-layer Parafilm cuts cleaner when removing it from the canopy frames.
I then applied lengths of 3-M brand white poster putty around the cockpit
opening and used pieces of Parafilm to close off the canopy. I also
installed the wing racks, which fitted well to the wing undersides.
Be warned: If you choose drop tanks for your P-47N, do NOT use the sway brace cradle parts for the wing racks. Looking at photos helped again - the kit tanks already include the specific sway brace for the kitís 165-gallon tanks.
Also, the kit tanksí attachment tab will force the tanks into a nose-down attitude instead of being parallel with the planeís thrust line. Easy solution: make a scribe mark about halfway down the front edge of the tankís mounting tab. Using a BAF - big a**ed file - file down the top of the tab so it slopes down from the rear of the tab to the scribe mark. When you attach the tank, it will be at the right angle. (droptanks; uncorrected tanks; corrected drop tanks)
detailed the tanks by drilling a hole for the fuel line aft and slightly to
port of the mounting tabs. The filler caps are not represented on the tanks
- I used a small Dremel ball cutter in a pin vise to hand-mill a recess into
the tanks. Using a craft scrapbooking paper punch, I knocked out a couple of
styrene sheet discs and cemented one in each recess. After the tanks were
shot with primer and Metallizer non-buffing Aluminum Plate, the kit filler
point decals were applied and snuggled right into the caps.
racks were also drilled on their port sides for the fuel lines from the
tanks, which were made from lead wire and installed later with the tanks .
.The P-47N rack features a rear sway brace that swings down and contacts the rear of the drop tank. The kit braces were a bit thick to my eye, so I made new ones from .020 plastic rod with punched-disc hinge points and contact cradles sliced from styrene c-channel stock. They were installed when I hung the tanks near the end of the build.
As Peter Falk used to say in ĎColumbo,í one more thing. I used the Dremel and a small dental bit to mill out a recess under the port rear wing root for the T-boltís retractable step. That was built from plastic strip and also installed near the end of the build.
|COLORS AND MARKINGS|
priming, I sprayed flat black on the windscreen framing. I also masked the
main canopy inside and out, spraying the interior frame with Model Master
Euro I Dark Green.
So .... each color area was masked and painted separately before being masked over. The wheel wells were outlined with tape and the inner gear door exteriors and gear legs masked (to be painted later with Citadel acrylic Chainmail and Testors Silver oleos) before getting the zinc chromate yellow treatment. After that set, I used white poster putty and tape to mask off the wheel wells. I then masked off everything but the empennage and wing stripes with Glad Press Ďn Seal food wrap and tape strips before preshading the panel and hinge lines with Model Master Insignia Yellow. I then mixed up a 70/30 percent mix of Insignia Yellow and flat white and misted it over the tail and upper wings to get a sun-faded effect.
After masking the tail and stripes, I shifted the overall masking and outlined the fuselage anti-glare panel with tape strips. I also attached the cowling with poster putty and masked it to align with the fuselage panel. The panel was sprayed with Model Master ANA Olive Drab, allowed to set, and masked in the same manner as the wells and yellow ID markings. Yeah, itís complicated, but it saved a lot of headaches - I promise. Everything was left to cure for a couple of days - mainly so I could recover from eye strain.
I used Testors Metallizer Aluminum Plate buffing for the overall finish, with a few panels painted in non-buffing Aluminum Plate. The oil cooler shutter areas and the panel around the underfuselage turbo exhaust got sprayed with Metallizer Burnt Metal. After an hour, I removed all the airframe masking except for the windscreeen and did minor touchup to the yellow and OD areas with a 3-O brush and paint. I attached the engine to the mail fuselage, followed by the cowling, with super glue before masking the cowling opening. The airframe then got a coat of Metallizer sealer in preparation for decaling.
I used the kit decals for the fuselage national marking since it was already divided to fit across the fuselage side vents, and the kit decals also went down well, Fuselage and wing stencil decals also came from the kit sheet. After setting and a wipedown to remove excess solvent deposits and glue, I applied another coat of sealer. After that set, I sprayed a very thin wash of pale gray and mineral spirits over the upper surfaces.
artistís acrylics mixed with Future/Pledge acrylic floor polish and
distilled water to make pinwashes for the panel lines - Payneís grey for
overall airframe lines, raw umber for areas aft of the cowling. I then mixed
the leftover washes into a sludge for oil streaks, applying dots and
streaking them aft with a brush. Exhaust stains at the waste gates were
airbrushed with Model Master Panzer Dark Gray and later enhanced with
I painted the gear struts - photos suggested lacquered struts and bare metal oleos for Ns - and attached Ultracast diamond tread resin wheels (sprayed flat black with aluminum hubs and treads weathered with Tamiya weathering powders and chalk pastels). I also managed to lose both gear torque links to the concrete floor monster, so I had to make new ones from bits of styrene sheet and rod.
New gun blast tubes were fashioned from drilled sections of .040 styrene rod and super-glued into the wings. IFF lights and the landing lamp were cemented in place, and the masking was removed from the wingtip lights.
The kit lacks a ventral rack and sway braces as seen on many photos of wartime P-47Ns, although a shallow depression where the hardpoint would be is molded on the lower fuselage section of the lower wing part. I notched a short length of .030 plastic square strip and cemented in in the recess to represent the actual rack. Using photos and the Tamiya P-47M for reference, I drilled locator holes for the sway brace arms .I then built the arms from brass wire, grooved plastic strip and punched styrene discs before super-gluing them in the holes.
installed the main canopyís internal brace, and that made the canopy ride
too high on the fuselage. Solution: the internal brace has two small pips
underneath. Cut them off with nippers. The canopy will sit properly.
After final rigging and dorsal antenna installation, I made the AN/APS-13 radar antennas from loops and lengths of brass wire and attached them to the previously-drilled holes.
I know that the P-47N is a relatively rare bird in aviation history, but this project really made me wish that Tamiya had engineered an extra sprue and a couple of inserts to turn their M kit into an N. That said, the Revell/Pro-Modeler kit is the best game in town if you want a fairly accurate N. The shapes are there, and it doesnít take too much aftermarket to make it look good. But it will test your skills and patience, and even the old Monogram T-bolts had sharper and cleaner detail in most areas than does this bird.
If youíre willing to do the work and if you treat it like a short-run kit, though, it will reward you with a good representation of the ultimate combat Thunderbolt.
National Museum of the USAF: http://www.nationalmuseum.af.mil/factsheets/factsheet_media.asp?fsID=2213&page=2
Kit courtesy of my wallet.
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