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News 1 April 2017

Cowlings are still the main focus. The front cowling has caused all sorts of trouble, but finally its installed and painted Hellblau on the underside. The pre-formed skin for the R/H side cowling did not fit at all. First we had to make a wooden plug and beat it to correct form. Then we had to construct a roll forming machine to make the internal doubler profiles for the cowling. Parallel to this we started to make the heat shields positioned between the carburettor and exhaust system. To make this we have to master the art of forming parts with the English wheel. The learning curve is steep!

Four out of five engine cowling panels in place. The R/H panel is the trickiest.

Producing the heat shields with the help of an English wheel.

The first piece of aluminium tested in the home made roll forming machine. Just a few minor adjustments are needed before we can start to make stiffeners for the R/H cowling.

 

News 21 January 2017

The cowling seems to be the most challenging part of the restoration project. This is probably no surprise to people used to restore aircraft. We are lucky enough to have three original cowling details in good condition (top, L/H side and bottom) but there are much more to it. The cowling on the Storch is of “shrink fit” and do not accept the slightest deviation. Two millimetres out of position one place can lead to a 5 millimetre gap another place. The challenge is to find good references and adjust accordingly. Can you trust original parts or is it the newly made parts that cause the problem is a frequent asked question. I wish we had a few more original blueprints of the cowling


Trial and error in progress.


Air inlet louvers for installation on the top cowling. Some aircraft had no inlets and the French cowlings had two big scoops. We make the version with three small forward facing inlets in a row on the left side. Arild Tveit with tools and the production results.


Eivind Svenningens about to install new fasteners on the bottom cowling.

 

News 26 November 2016

So far the list of remaining work tasks has been too long to put on paper. Now, I have started to make a list of remaining to-do items. We have to make a plan for how to finish each task. Many tasks have been delayed because we didn’t know exactly how to do it or because we were missing parts. We know that the Storch don’t fly before all items are finished. The last flap, the landing gear, brakes, cowlings and the fuel priming system has been in focus lately.

The missing R/H flap (see News 3 June 2015) has arrived and has been repaired. Time to put on the fabric.


Harald Holm giving scale to a nearly complete landing gear leg.

The Sola Aviation Museum kindly accepted an exchange deal. They got a restored non-airworthy top cowling (left) while we got an as-new cowling (right).

Brake master cylinders installed inside the rudder pedals.
Fuel primer pump (yellow knob) in place below the instrument panel.

 

News 17 September 2016

We move on with a lot of details like cowlings, hoses, and the landing gear.


Engine with exhaust system installed.



New hoses ready for installation. Brown for oil and yellow for fuel.



Dirk Bende kindly let us copy one of his aft cowling supports. The parts for new supports ready for heat treatment at Aerospace Industrial Maintenance (AIM). The wooden blocks are tools needed when forming the parts.

 

 

 

 

 

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