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| Westland Lynx HAS.2; Airfix 1/48 - converted | |
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| Tweet Topic Started: Jul 4 2018, 11:37 AM (111 Views) | |
| Nikon User | Jul 4 2018, 11:37 AM Post #1 |
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"BEAVER"
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Joining in with this build will be my Lynx HAS.2. Starting with this kit; ![]() My Lynx is to be a unique helicopter in the distant past of the Royal Navy - which one will be revealed in a later update. The excellent kit needs a fair bit of conversion. Main rotor blades - the kit blades need the paddle tips removing and a straight blade section grafting on, to make the correct length. The root profile needs amending also. Tail rotor blades - The HAS.2 tail rotor went anti-clockwise when viewed from the port side - the kit tail goes clockwise, so this direction needs reversing. The kit tail rotor blades are shown correctly for an aircraft that isn't running. The blades are correctly canted outboard. The blades need removing to mount them correctly. I'll explain why this needs to be done later. Strengthening plates on the kit fuselage and tail boom didn't exist in the early 1980's, so they need cutting and sanding off. Horizontal stabiliser - The kit version is the short one with a Gurney Flap. I need to fabricate a new, longer version without the flap. Reverse Gearbox - this needs to be removed from the tail pylon. Other modifications are relatively minor, but the kit needs some considered work to backdate it. Should be fun! Regards, Nigel
Edited by Nikon User, Jul 4 2018, 11:43 AM.
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| Olde Farte | Jul 4 2018, 01:10 PM Post #2 |
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Lt. Derek 'Smurfy' Reeve
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Sounds as though some fun is on the horizon Nigel.
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| Mark M | Jul 4 2018, 02:28 PM Post #3 |
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Hawk T1
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I'm confused already |
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| Nikon User | Jul 4 2018, 07:53 PM Post #4 |
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"BEAVER"
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Before anyone mentions it, I know there's a resin conversion kit out there, but now I have some mojo back I feel like some old fashioned modelling! (Having written that, it won't surprise me if I regret the decision) |
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| DevilFish | Jul 5 2018, 12:42 PM Post #5 |
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LCDR Paul "Voodoo" Carter
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I just want to know what a Gurney flap is.... |
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| Nikon User | Jul 5 2018, 08:20 PM Post #6 |
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"BEAVER"
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One of my favourite subjects Paul! In straightforward terms, it's a piece of metal at the trailing edge of the Lynx horizontal stabiliser, that sticks up vertically from the top surface. The following link to our "How to" guides, explains a bit more. http://s15.zetaboards.com/Mainly_Military/topic/766680/ Nigel
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| DevilFish | Jul 6 2018, 10:01 AM Post #7 |
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LCDR Paul "Voodoo" Carter
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Thanks for that! lol |
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| Olde Farte | Jul 7 2018, 09:18 AM Post #8 |
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Lt. Derek 'Smurfy' Reeve
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Sorry Nigel but there's me thinking it was a flap on a stretcher to allow the wind to pass through. Yeah, I know I'll get my hat. Edited by Olde Farte, Jul 7 2018, 09:20 AM.
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| Nikon User | Jul 8 2018, 06:25 PM Post #9 |
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"BEAVER"
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UPDATE As mentioned before, the Alley Cat conversion is out there - and I have one sitting nearby as I type - but having found my modelling enthusiasm has returned, I've decided to go a little "old school" and carry out all the conversion from my HMA.8 kit to become a HAS.2 from around 1980 by using more traditional modelling methods. Starting with some easy stuff... Under the fuselage, between the main wheels, the kit has the Doppler antenna, moulded on a box structure (marked in red). For my aircraft the kit antenna needs to be cut off and the antenna plate (but not the housing box) must be re-located to the front of the aircraft. ![]() Once cut off with a razor saw, the sides of the box were trimmed away with a craft knife, to leave the antenna plate, which was then fixed to it's correct location - on the right of the photo. ![]() Next up was the tail boom. This was assembled from the two halves, being careful to select the boom type that folds. At the area that is the aft end of No.3 drive shaft, there's a gap that, on the more modern aircraft, is filled with a DSP (Digital Signal Processor). The first photo shows the gap, and the second shows what would be there on the later model. ![]() The next photo shows a piece of plastic card and some old round sprue to fill the gap, making it take less filler to create the rounded profile. ![]() The boom was finished with filling and sanding. That's it for the first update - more of the easy stuff in a couple of days! Regards, Nigel |
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| Olde Farte | Jul 9 2018, 10:32 AM Post #10 |
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Lt. Derek 'Smurfy' Reeve
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You are a sucker for hard work Nigel but it works and well. |
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| Mark M | Jul 9 2018, 08:24 PM Post #11 |
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Hawk T1
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Very cool |
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| Nikon User | Yesterday, 7:30 PM Post #12 |
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"BEAVER"
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UPDATE 2 The tail boom is now ready for primer, having completed the filling and sanding of the DSP aerial on top of the drive shafts. This first photo shows two more areas that need to be modified on the tail fin. Marked in red at the top is the reverse gearbox cover. The original Lynx had the tail rotor turning anti-clockwise (when viewed from the left side) but in later versions, the rotation was made clockwise, so this is what my kit has. The way Westlands reversed the rotation was by way of a modified gearbox, resulting in a protrusion on the right side of the fin. For my HAS.2 version, I have cut off the reverse gearbox bulge and filled the resulting hole. Below that, also marked in red, is a fairing that needs to be removed by sanding it flat to the surrounding surface. ![]() With the fin attached to the boom, all serious modifications to the tail are complete. The tail rotor is going to be a separate subject - and I'm not looking forward to it! ![]() Another area tackled to date is the nose of the helicopter. The kit nose has a radar fairing on the underside, where I need a smooth nose cone. The large round fairing, marked in red, is to be cut off with a razor saw. ![]() The hole on the underside of the nose cone was impressive! ![]() The hole was patched from the inside with plastic card and the gap filled with some plastic tubing, to reduce the amount of filler needed. ![]() After filling with Perfect Plastic Putty, the sanding was started ![]() ![]() All in, the build has moved on quite well. I think the next update will feature the sponson, so I can then get the fuselage halves closed up. More soon. Regards, Nigel |
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| Mark M | Yesterday, 8:56 PM Post #13 |
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Hawk T1
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| DevilFish | Today, 6:31 AM Post #14 |
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LCDR Paul "Voodoo" Carter
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Amazing work! |
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| Olde Farte | Today, 7:30 AM Post #15 |
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Lt. Derek 'Smurfy' Reeve
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2:37 PM Jul 11