2022.06.14

We have lately been working mostly on preparing to move the center section out of the concrete hall and into the workshop.. This is because we will start work on repairing local corrosion damage in the center section. These lesions are mainly localized to the areas within the wing, float and engine mounts. This will be a time consuming job. If we are lucky, we will not have to do other and more intrusive work on the center section. Ultrasound examinations, as IKM Inspection AS has done for, shows us that fortunately there is little corrosion on the most complicated parts of the support structure in the center section.

The center section will take up a lot of space inside the workshop. To free up this space, it has been a priority to work with the Caproni nose section. The latter has of course had some consequences for the progress of the work with He 115 cockpit and nose section. The first relocation of the center section inside the concrete hall has now been completed. The plan further now is to saw out a five meter wide opening in the west- the wall of the concrete hall. Through this we will then roll the center section. When the center section is out of the concrete hall, we must immediately close the opening in the brick wall. The process of sawing out the hole in the concrete, move out the center section and then close the hole in the concrete wall must happen in one and the same day. We plan to do this during the autumn.

The center section has been moved and is here ready to be rolled further out of the concrete hall
The concrete wall to be sawn out to make room for the exit of the center section

When we raised the plane, we found in the Kanzel parts of a measuring instrument that we did not understand the use of. We understood that these were parts of a drift meter, but we were unsure how this had been mounted in the plane. The drift meter was then given a temporary preservation and then stored. On the starboard side at the front of the Kanzel there is a rectangular hatch. Behind this hatch we found the remains of a magnesium bracket and the remains of a cloth cuff. We did not understand what this hatch and bracket had been used for. In pictures by Heinkel 115 this hatch appears, with few exceptions, as closed.

Then we are lucky and are contacted by Marc Bressan who lives in Switzerland. Marc Bressan has a very solid knowledge of and experience with German aircraft instruments. He had restored and built up a complete drift meter himself. Marc offered us to share with us his extensive knowledge and documentation about He 115 Tribsgërete. He sent us a bunch of pictures that showed us what a complete system should look like and work.

The information we received from Marc showed us that we needed a lot to have a complete system for drift measurement.. Marc now offered to complete and donate to us parts he had left over from the restoration of his own Tribsgërete. With these parts we were now in possession of a complete system for drift measurement. The drift meter that we found in the plane in 2012 was only temporarily preserved and did not open up for interior cleaning and preservation. Marc opened this for us and did a thorough internal preservation of the meter for. This facility for measuring drift, will when these are mounted in the aircraft show these well again forward in the Kanzel. We owe Marc Bressan a very big thank you for the help the project has given.

This equipment, along with everything else we have found on board, shows that a very well-trained crew was needed for them to be able to operate and benefit from all the aircraft's systems.

The tube to the drift meter system was the only one we found when we were in 2012 raised the plane.

The following pictures we have mainly received from Marc Bressan:

This base plate that we were missing was donated to us by Marc Bressan
Same base plate finished lacquered
These are the parts that make up the base plate
The base plate is test-mounted on the starboard side of the Kanzel.
Behind the black hatch there should be a canvas bellows through which the pipe should be inserted.
The base plate is test-mounted in Kanzel.
The top of the tube was missing, this we also got donated by Marc Bressan.
The top of the tube.
Top sample mounted on the aircraft's original tubes.
Marc Bressan opened and preserved the inside of the tube for us.
From the inside conservation work on the pipe.
The lens was removed and cleaned.
Pictures of the pipe after Marc Bressan has finished preserving and completing missing parts.
Detail photos of the top that we received as a gift from Marc Bressan.
Original parts mixed together with parts that we received as a gift.
The lens is reattached after cleaning.

2021.06.16

In this post, we will show some pictures of the parts that are now in place in the cockpit.

Behind everything that is now mounted in the cockpit is a lot of work that the pictures can not make visible. This applies to both work with electrical components, work with instruments, as well as work with photos and documentation.

In addition to the work on the cockpit and the Pulpit, we have also begun to prepare what we will have to do with the center section in the years to come..

It is a guiding principle that we should as far as possible utilize all the original parts that we found in the plane when it was raised in 2012. At the same time, we try as far as possible to make things work again.

We all wish you a good summer…

Harald Egge in the process of installing brackets and valves for operation of cooling flaps outside in motor cowling.
A look ahead in the cockpit
Sigfried Hernes in the process of setting a bracket for dimmer switches.
Mute the switches in place right next to the trottle box.
The trottle box is also finished and ready for installation in the cockpit.
Details on trottle box.
Details on trottle box.
Torkild Thang Jørgensen has made a new one for the buck that was dismantled 1942.
Internal and external engine buck.
Egil Thomsen has worked patiently with countless small and large electrical components.
Here it is just a matter of pressing, much works as when the plane crashed.
One of the electrical components found in the Kanzel.
This switch has Egil made to work and is original, only the cover and nameplate are made new.
Hydraulic valve for flaps operation.
Handle for emergency release.
Original siderors pedal
Suspension for rudder pedal.
Pulley for wire transfer from the rudder pedal.
Same pulley for wire transfer from side rudder pedal.
Tools for punching out new housings for castors.
Cable gate with fuses and junction boxes.
Primer pump for starting motors. The levers are for opening and closing hot air valves.
Bomb hatches under the cockpit with associated cylinders are back in place.
Hydraulic hand pump for inflating flaps in and out.
Sigfried Hernes has managed to get Revi charged back to functional condition.
The cockpit is now temporarily set out in the exhibition and work is therefore now being done on the Kanzel
Harald Egge and Roar Henriksen working with Kanzel.
Georg Krautz Johanessen has restored parts for the suspension for the pilot's seat.

2021.05.23

We have received the good news that Heinkel He 115 The project by the National Heritage Board has been allocated funds for the work on the aircraft's center section. The allocation is limited to 40000 kroner and will be used for preparations and construction of a gig that we need to be able to work on the center section's supporting beams.

Before we can start the work of building such a gig, we will first map the extent of corrosion damage to the supporting beams.. To make such a survey, we consider using NDT as a method. On that occasion, we are already in contact with IKM Inspection AS who have been on an inspection and looked at the center section. Their preliminary opinion is that the use of ultrasound as a method will give us the best result. They will now make a more comprehensive assessment of how they can best make a survey of corrosion damage in the supporting beams..

IKM on inspection of center section
Stein explains how the girder is built.
Front of center section before we had dismantled all equipment in advance.

2021.01.11

The year 2020

The year 2020 was a good year for Heinkel 115 the project through which many positive things have happened.

We have for several years had restrictions on the type of work we could do on the plane. During the past year, the Armed Forces Museums have largely been abolished these restrictions.

It formerly Heinkel 115 the steering group has been closed down. As a replacement for this a support group has been established with members from the Friends' Association, as well as two conservators engaged by the Jærmuseet. This solution gives us that working with the aircraft an easy access to a very versatile experience and competence.

It also in over the past year there has been a unanimous understanding that it can be necessary to make some interventions on the center section. This mainly applies to supporting beams, with associated attachments for wings and floats. This has led to it now is working to find solutions for how such work can be completed. Our goal is still to make small interventions and preserve as much as possible much of this section.

It has Throughout the year, work has been done on a number of different sub-projects. I de cases where equipment is completely destroyed, we integrate what may be left of the original equipment in the new one being built.

An example is the work that has now been completed to build a new hydraulic hand pump for flap and opening of bomb hatches etc.. Of the original pump, only handles remained, mechanical transfer to stamps, pistons and end caps. Said parts are built of high-quality materials and had done well down on the fjord bottom. All the pump housing and cylinders, on the other hand, were almost completely corroded.  Pump housings and cylinders have now been rebuilt and the pump can now again be used to pump oil. The above mentioned remaining parts have been integrated in the new pump.  

It is also throughout the year made a new instrument panel for the cockpit. Although most of the original panel was gone when the plane was lifted, will still the new panel be equipped with original instruments. These are instruments that were found in the aircraft and which has now been preserved and in some cases partially rebuilt.

Through At the same time, we have gained a good overview of the work with the instruments which instruments and other similar equipment have been in the cockpit of the aircraft and nasal section.

Another of the bigger things that have been done through 2020 is the work of rebuilding the system for suspension and transmissions from the rudder and toe pedals. Also here is remaining original parts have been integrated into the new finished product.

It has also become worked hard to preserve original electrical equipment. These are things like circuit breakers, switches, terminal blocks and many other smaller electrical components. The work is a time-consuming work of patience that is now really beginning to show again in form of finished preserved parts. These have either already been reassembled in the plane, or in stock ready for use..

The big and extensive cableway along the port side of the cockpit was also completed early in 2020

The outer the section of one engine stand was completely missing when the plane was lifted in June 2012. This is because one engine was salvaged before the plane sank in December 1942. It the missing section has been rebuilt during the autumn. At the same time, we have what we have of original brackets and other equipment for the motor brackets have been reassembled on the engine jacks.

Photo sharing archive and documentation is a time-consuming task that runs as long as the project ongoing. It is also through 2020 been working a lot on these things.

When the plane was raised in June 2012 a few smaller parts were left at the site. It was last year, several ROV dives were made at the crash site in Hafsfjord. Although the plane was unusually complete sea ​​wreck to be, also missing our plane things that can not be found elsewhere. A new application has therefore been sent to raise He 115 parts from Limingen.

2020.10.22

Efforts Heinkel He 115 has been going on all summer without the usual break that the participants' summer holidays tend to bring. Such has also we have been influenced by Covid 19.

Much work has been done to create a new instrument panel cockpit. We have only a few cm of the original panel2 left off. Even if the panel is new, it will still be filled up by the original instruments who was on the plane the day it crashed.

A lot of impressive work has also been done to recreate parts for suspension of side rudder pedals, both for pilot and for navigator. Some of the parts of this large system were almost completely gone when the plane was lifted . Again has managed in a good way to intrigue some new parts in among the many originals parts.  

A curiosity is that it has managed to get light in again the hand lamp that was placed in a box in the back of the telegraph operator cockpit.

Work is also currently underway to make new the missing parts to one engine stand.  These are parts which we are missing since one engine and both floats were salvaged right after that the plane had crashed.

It is also gratifying that we will soon be able to continue the work to repair the corrosion damage in the supporting beams in the center section. The idea is to do necessary interventions to preserve the residual strength of the load-bearing structure, and in a as far as it is justifiable, to preserve the rest of the center section. The idea behind this approach is to be able to preserve as much of it as possible center section as original.

Over time, we have searched extensively for information on an instrument with a associated system that was located on the starboard side of the Kanzel. We have now received a great and informative answer from Armin Züger in Helsinki. He had read our request in a previous post on this website, se link; http://heinkel115.com/2020-06-11/?lang=en

Attached you can read Armin`s answer.

 There was some open questions about a so-far unknown instrument, related to torpedos.

There is an operation manual: D.(air)T. 7212  "Description, Operation and maintenance of the PVC drop weapon 1006 A“ (which I have attached as a pdf document) that might shed a bit more light in this.

In the picture there some words “Scharf Torpedo Fallschirmlot Blind” on the unknown instrument.

“Scharf” and ”Blind” means basically “disarmed” and “armed” (i.e

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. defining if the torpedo will explode or not explode finally).

“Fallschirmlot” is another expression for Luftmine (parachute mine, LMA and LMB ), you will find this also in the manual

Now the interesting part:

The document contains also a schematic picture of a He 111 cockpit. There is one lever named BlindScharfhebel. And I guess this is what the unknown mechanism of your He 115 is. It’s a lever to arm/disarm the torpedo (in case of the He 115 maybe combined with some other functionality).


2019.05.28

We have during the time that has passed since last status update of the homepage, got clogged the parts of the end walls of Heinkel hall which is dressed with timber cladding . The use of dehumidifier inside the concrete hall has meant that this cladding has dried out and opened to allow moisture to migrate through all the gaps which are encountered in planking. The consequence of this has been that the weather conditions on the outside of hall in a substantial influence to the humidity inside the hall. We can Now measure that it is both a clearly more stable and significantly lower relative humidity inside the warehouse.

It is now summer and vacation time and this will affect the activity around the Heinkel He 115 project a while forwards .

It has also been worked on both with the plane's instruments and to make copies of brackets and mounts for rudder pedals

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. These latter should be used as plugs in støypeformer.

The main priority for the Heinkel He 115 the project is to preserve the aircraft so intact and untouched as possible. Yet there is a fact that the aircraft has remained at the bottom of a inlet in 70 year. Salt therefore drawn between aircraft many joints . Our challenge is therefore still finding a method that best safeguards the desire to make small engagement in the plane while ensuring that aircraft do not over time destroy. We looking therefore still active over a wide registry to find this. In one end of this registry finds a possibility of conducting a electrochemical desalination, while at the other end finds a possibility of completely or partially to dismantle the aircraft parts . The aircraft's center section is a complex construction with many very tight joint. It would therefore be difficult to remove salt from these joints. As part of the studies round choice of method we have recently spent some time on mapping how the center section is actually built. This is to provide an overview of how a whole or piecemeal removal thereof can carried.   

Efforts Heinkel He 115 project since January 2018 been hampered of the Armed Forces Museum is in a process where they will consider future ownership of equipment that is lent on landfill agreements. It now appears that this process has come so far that they imposed restrictions on work on aircraft soon can be raised.

2018.09.19

Efforts Heinkel He 115 the project has now started up again after a long summer

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. Still working with Heinkel He 115 project hampered by us since January been ruled by the Armed Forces Museum is in a process where they will consider future ownership of equipment that is lent on landfill agreements. We therefore still some temporary some restrictions on the work of Heinkel He 115 project.

We will now proceed to clarify the parts to be used in the new Heinkel 115 exhibit of that work is underway. This exhibition will be in a separate room next to the place in the hangar where both cockpit section, abdomen, and the motor is placed.

It will also throughout the winter to be the work of creating and installing the piping for hot air in the cockpit section.

Jiong in efforts to clarify lavettplate port-MG 17.

Lavett port-MG 17 in the process of being prepared for use in the new He 115 exhibition.


2016.11.03

There is still a little new to talk about his Heinkel He 115 project. This is because we are still working to flush clean joints in the center section with hot water. This is a painstaking work that does not show any appreciable again for other than those directly involved in the job
. The center section has been node that has carried a significant amount of the aircraft weight. Therefore, a part of the joints here very compact and compound. Obviously, this is a challenge for us in our efforts to flush out as much of the residual salts as possible, from these joints. So far, the experience of the work good, although it. as mentioned, in the center section, are some places we can not get to a proper flushing. That work is not a pleasure, may well most easily kept quiet up, but we do see the light that this will we be able to implement.

Roar Henriksen started with flush joints in the bomb bay

Roar Henriksen started with flush joints in the bomb bay

It is now also the time when we get delivered dehumidifier that we have in order.

Ernst Knutsen made a breakthrough in the effort to seek out original technical Heinkel He 115 drawings. Creative leting of the Swedish National Archive war archives, has produced 104 engineering drawings and parts manual on 118 pages. Our friends in Sweden have already copied the material for us, and converted this to pdf format. If you open the attached link you can see an example of such a drawing. He 115 drawing

Our good friend Georg Krautz Johnsen has done a brilliant work of rebuilding the pilot's seat with associated equipment

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. The result is very good and includes a lot of original parts and some that Georg have reconstructed.

Georg posing next to a nearly finished seat with accessories.

Georg posing next to a nearly finished seat with accessories.

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2016.04.22

We are currently working to dismantle the last small parts of the center section

. This is yet again a number of smaller brackets, hoses and bolts that we want to remove, While it is still possible to get turned them loose
. Because of the difficult access to many of the nuts, this is both a difficult and time consuming work
. For the wings part is it takes out now fully dismantled and finished cataloged

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. As we soon also have finished the dismantling to be from the center section, we will be at a significant milestone; all that should be removed from the plane is then out, and we will also simultaneously be finished with the extensive work that has been and continuously to catalog all that has been disassembled.

We also worked on getting the team to a system that allows that we can now save all the major parts that have been disassembled hanging along the walls, or down from the ceiling. All this to make the hall ready for the job that awaits, when we should wash out the salt from the countless joints in wings and center section.

We now that George has started to work with us, been a very gratifying and well-qualified contribution to the gang working with plane.

We now have stored all major parts hanging up from the floor

We now have stored all major parts hanging up from the floor


2016.03.26

Then there are Easter and some time off from the weekly work of Heinkel He 115. We have since year until Easter chosen to take parts from the plane with into the workshop. This is to be able to work with those in hot environments. But now that Easter will soon be over and spring is on its way, we will continue working out in the Heinkel hall to conserve wings and center section. Most of the parts in these sections are now dismantled and taken out, and the next step of the way will be to wash out the salt from all the joints.

Sola Vision AS is now finished the work to tight Heinkel hall, so that we can now fit air drying unit for lowering the relative humidity inside the hall.

Sola Vision AS in efforts to seal Heinkel hall

Sola Vision AS in efforts to seal Heinkel hall

We have over time been questioning how we in the short and long term should treat dinghy, which was part of the rescue equipment on board the aircraft. This lay while immersed in fresh water, before it was taken out of the water and then stored in a cool dark storeroom. The challenge of figuring out what should be done with the boat is much related to being able to identify which rubber material it is made of, and then to find an appropriate way to preserve this material on. To help us with this, we have now been using stale Eliassen who have a solid expertise in rubber materials. According to Brett, there are about. 70.000 thermoplastic qualities today. About as many existed in the last century
. Accordingly, Brett solid work to do to be able to identify the correct rubber material

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. Fortunately, it is in the boat even an intact label where data about the manufacturer and serial number appears.

Stale liassen consider dinghy

Stale liassen consider dinghy

Here you can read rubber boat manufacturer and serial number

Here you can read rubber boat manufacturer and serial number

Turtallshendlene sample mounted after they are fully cleaned and conserved

Turtallshendlene sample mounted after they are fully cleaned and conserved

Compressed air Bottle and ammunition crate that was recently dismantled and taken out of the center section

Compressed air Bottle and ammunition crate that was recently dismantled and taken out of the center section