Both wings of Myrsky are being assembled

Lauantai 9.6.2018 - Member of Tuesday Club


Suomeksi

In the beginning of this year the Tuesday Club of the Aviation Museum Society has been working on the Myrsky project and the main emphasis has been in assembling the left wing of Myrsky MY-14. The test wing has also been under construction and some metal parts have been made too. The left wing has been assembled in a steel framed assembly jig where the wing spars have been firmly fastened. The area between the wing spars was built in the jig and the areas of the leading and trailing edge will be built later.

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In the beginning of May the left wing was at the phase where the area between the wing spars was nearly ready and its upper surface covered with plywood. At this point the wing didn’t need the support of the jig anymore and could be unfastened. A lifting support was built from steel tubes for both ends of the wing before unfastening and moving it from the jig. The supports were necessary because the wing is too heavy to be moved manually.

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Photo: Jorma Laakkonen.

When the wing had been unfastened from the jig, it was lifted by the supports at the ends of the wing using a forklift and a manual lift and moved on a wooden working platform. The wing was also turned upside down so that the covering of the lower wing surface can be started.

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Photos: Jorma Laakkonen.

The covering of the wing was started by building the supporting battens for the plywood covering. This means fastening the lines of lengthwise battens between the wing ribs. The plywood covering is glued on these battens and secured by screws.

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The construction of the battens was started by gluing plywood rests on the upper edge of each rib. The battens will be installed on these rests and the ends will be glued on the ribs. The battens were glued one by one as “bridges” between the ribs. By the end of May the installation of the battens had been completed and the actual covering of the area between the wing spars could be started.

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The aim is to have the covering ready before the left wing will be placed on display in the VL Myrsky-project exhibition at the Finnish Air Force 100th Anniversary Airshow. Also the test wing built by the Tuesday Club will be on display there.

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When the left wing was unfastened from the jig, it can be used for assembling the right wing of Myrsky. Now the Tuesday Club team had reached the point where both wings of Myrsky can be built and assembled simultaneously and side by side in the restoration room of the Finnish Aviation Museum.

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The construction of the right wing in the jig will follow the same procedure as for the left wing. The wing will be built in the jig until the area between the wing spars is ready and the leading and trailing edges will be built later.

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The wing spars of the right wing were fastened on the jig and the ribs were installed between the spars. The ribs had been ready and waiting for some time for the wing assembly to begin. The ribs were easily installed and the wing construction began to take shape. The metal brackets for the landing gear system were fastened on the wing spars and ribs and the fuel and air pipes of the auxiliary fuel tank were pushed into place through the holes in the ribs.

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When the fuselage with engine, the left half of wing and the test wing are on the show in the Finnish Air Force 100th Anniversary Airshow on June 16th and 17th 2018, there is on the show the biggest Myrsky assembly since 1965. See you there!

Photos (execept when separately mentioned): Lassi Karivalo.

Avainsanat: aviation history, restoring, old aircraft, VL Myrsky II, MY-14


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