2021.05.24

We are looking for a more comprehensive technical documentation for Heinkel He 115 than what we already have today. Our stock of technical documentation is currently limited to a collection of incomplete drawings and the flight manuals for sale at Archiv- Haffner. What we most hope to find is to share the manuals that all Germans of the current vintage aircraft types were equipped with. Beyond Spare Parts List / parts lists, we are of course interested in all information about Heinkel 115.

It is possible that at the end of the war there was no interest on the part of the victorious parties to take care of He 115 documentation. This is possibly because the aircraft already represented a then "outdated" technology. Therefore, this documentation was often left to its own fate.

Here in Norway, too, it seems as if Heinkel 115 the documentation has not been well taken care of. We have not been able to trace technical material that may have been left at the conclusion of the peace in 1945.

We have another hope that there may be more material in Sweden, and has therefore made several inquiries yours.

Our German friend, writer and author Christian König makes a great and impressive effort to help us with the search for documentation about the aircraft type. He uses his large network to call for material. Christian has also written articles in the magazines Flugzeug Classic and Luftwaffe Revue, where he calls for information on a replacement list for Heinkel 115.

Christian König on his visited with us 11. January 2019

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.

2021.02.23

It has again gone a little while where it has worked very well with Heinkel 115 project. The focus during this period has been on working with a new instrument panel, completion of work on building a new hydraulic hand pump, the continuous ongoing work to preserve electrical parts, as well as further work with documentation, photos and sharing archive. Work on a new engine buck has been completed ended in anticipation of us being able to solve the problem of missing it one of the aircraft's engines. Work continues on preparing to be able to start up the work that will have to be done with the center section.

We also have started up again looking for parts lists / catalogs / Spare part list / service-parts-list for flyet. Both Norway and Sweden operated these aircraft, and we have not yet given up the hope of tracking these down in one of these two countries. It's through Christian König also made attempts to trace these catalogs through his wide network of contacts in and outside Germany. Among other things, there will be an article in FlyPlast and hopefully also I FlugzeugClassic m.m..  

Harald Egge standing next to the hydraulic pump he has built
The pump is rebuilt around what was left of the original parts.
The pump is test-mounted in place by the frame 4.
Sigfried Hernes measures the space for a new bracket that will contain the dimming switches
New bracket with original mounting ears and original dimming switches
Hydraulic flap control valve.
Handle for emergency release
Egil Thomsen makes a tireless effort to preserve electrical components.
Harald Egge and Georg Krauts Johannesen have saved and got light in the instrument list again.
Torkild Tang Jørgensen has rebuilt the engine stand that was dismantled in 1942.
New engine stand to replace the one that was dismantled in 1942


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).


2020.06.11

Armed Forces Museums have for some time placed some restrictions on what types of work as we were able to do on the plane. These restrictions have now been lifted, and we can now continue the collaboration with the Jær Museum on the further work on the aircraft.

Pending that the said restrictions should be lifted we have continued to work clean and preserve parts as in 2014- 2015 took off from the aircraft cockpit and nose section. During this past winter season has several of these parts been reassembled in the aircraft

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. Large parts have also been reconstructed as was completely corroded when the plane was salvaged 2012.

Now is exhibition season again in progress, and the cockpit and nose sections are rolled out from the workshop and into the exhibition hall. Here it must stand the exhibition season is over again. Then it will be re-entered the workshop again.

It's working continue to finish outstanding work on the objects that have become preserved or made new through the winter season. In summary, it is quite clear that there has been a lot of positive things over the last six months plane.

We have been working on the aircraft ever since 2012 began to get acquainted with the aircraft and its equipment. Nevertheless, new questions about equipment are constantly emerging that we do not fully understand what has been used. Since we now work extensively with Kanzel and the cockpit sections, the most equipment that has stood here we are concerned about. By studying images from the days after the uplift, we have become aware of an instrument that has been linked to the insight and triggering of the torpedo. So far we have not been able to finally identify which instrument this has been. Attached are pictures taken by the instrument in June 2012.  

2020.04.17

We have just had access to copies of some pilot logbooks. These show the use of the aircraft during the period it was used as a school aircraft in Pütnitz. It had then characterized BH + AM . The logbook that we are showing here is a page from Feldwebel F Keller

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2020.04.16

It has been done a lot of work on the nose and cockpit sections since our last status update. Much of this work is cleaning and preserving parts like we do previously taken out from the nose and cockpit. This is work that requires a lot of work both patience and courage

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. It is therefore gratifying to see how good results achieved. An example is:. the fuse line that was mounted during the pilot's port foot rests.  These were basically full of rust and sediment residues, but a patient effort has led to several of these now in functional condition. The fuses are along with several larger terminal blocks now mounted back in port cable gates.

Another great work that has now been done is to create new all the big and complex the cableway that runs along the port side of the cockpit. Of the original cableway we had only a very small bit left. Therefore, it became a major challenge both to find out what the cable street looked like, and then to make a credible one copy of this. Both have succeeded very well thanks to a solid piece of professional work.  Since we want to preserve so much of the originality as possible, is the bit we had left of the original cable street, been integrated into the newly created street.

There are also more places to come of the parts removed from the cockpit and nose 2014. Of these,. mentioned footrests, first fuck, a hydraulic cylinder and the navigator's folding seat. The retrofitting of the hot air system is also complete. That is as far as may have been used original pipes found when the cockpit and nose were emptied 2014.

It's working also by reconstructing what we lack of parts for suspension of siders pedals, and to create a new cockpit dashboard. To this last, we are so lucky to have finished preserving the original instruments.

Finally, have to It is mentioned that work is also being done on the last of the motorbikes. Here everything must go brackets are cleaned and reassembled as they were before dismantling winter 2015.

Unfortunately, the work on the aircraft is still hampered by an ongoing process of responsibility and ownership.

Before cleaning, the fuses that have been in the cable gates under the port saw foot rests like this.
The fuses are ready for mounting into the cable gates, several of them have now become functional again
Egil Thomsen patiently works with the fuse series on the above pictures
Georg Krautz Johnsen has done an impressive job of rescuing hydraulic cylinders
Parts of the large cable street on port side
Harald Egge has created this cable street only from the point of view in pictures and the first plate remnant which is now an integral part of the new cable street. The fuses from the above pictures can be viewed together with the original marking plate.
The foot rests on both sides are back in place
Hydraulic cylinder for flaps sample-mounted in connection with the work of aiming for a new instrument panel. Unfortunately, the original panel was completely gone when the aircraft was lifted.
Harald Egge is in the process of making new suspension for the side rudder pedals. We are here again in the situation that we have to make new parts that integrate with the original equipment.

2019.12.17

There is currently a high activity in the Heinkel He 115 project and work simultaneously with several things.

We want to investigate whether an electrolytic treatment of the center section can be an alternative to a further dismantling of this. The method that we initially want more knowledge about, has been developed as an alternative to having to disassemble crashed plane, survivors up from saline . It is among others . used in Australia for the preservation of one Oskar is chasing

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. We have begun the process this paper by sending out requests both to people who have been involved in the development of the method, and to personnel who have been involved in projects where this method has been used.

At the workshop, it has been working very actively. It is among others. made an impressive effort to assemble back much of the original pipe arrangement for transporting hot air forward in the cockpit and nose section. The original touching is all walled, and is clearly marked by lying 70 years at the bottom of a fjord . It is therefore gratifying that craftsmanship has made it possible to re-use much of this impressive tube arrangement.

An impressive work is done in order to preserve and reuse the original piping
German high levels of craftsmanship

It has also been worked on with the instruments that were found in the aircraft. Radio direction-finding antenna is opened and cleaned, while powertrain / foundation upon which this has been left back can be rotated without it being necessary to replace bearings.

Antenna for radio bearing
Socket bearing antenna, here still works the original German ball bearings

More control levers from the cockpit and nose have been cleaned and put into working order again. It has also been working a lot with 2 PCS. steel cylinders, for 58 kg air pressure. Said, along with associated control system pnaumatisk, have been cleaned and placed in storage in anticipation of getting back mounting plane. Work is currently also working to clean electrical fuses and junction boxes.

Lever associated system for reinforcing torpedo

Now that much of the work on pipe system for hot air begins to become clear, is the next big challenge is to create new cable guides . These are boxes that were used to protect aircraft countless wires. Sadly most of these away when the plane was salvaged. Fortunately, we left some debris that may help us to dimension them. Many of these were complex formed and it will be challenging to get to make copies of these.

One of the more complicated cable boxes that we must create a new copy of, The photo was taken in April 2014

2019.09.01

A new summer is almost past, and it is again time to think about what work needs and should be done on our Heinkel He 115. The situation is now a little different than what the was before we finished the work before the holiday

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. There is an ongoing extensive and intensive works to finalize museum Bf 109 project. This work will be for a shorter period lay claim to very much of the area in the workshop. Accordingly, it be small area free for other work . We must, therefore, in this period limit our work into smaller parts that can be handled by the area we currently have available.

This restriction in the workshop area gives us extra time to think through what alternative methods we have available to preserve the aircraft originality of the longest possible period. It is the second and major players, that work to preserve the originality of sjøvrak of aircraft, done a lot of work to develop methods to stabilize the compositions of these wrecks. A method they have developed is to give the material an electrolytic treatment. We will in the future, and in cooperation with the other parties involved in He 115 project, make a new survey of which of the methods developed that may be relevant for our aircraft. This work will require that we make a wide range of requests among the actors has been involved in the development and use of the different methods.