I did email the German agency at graupner- service.de but they did not reply either !

Hi Len,
The cooperation between Graupner and the Chinese firm SJ (who developed the HoTT RC gear for Graupner) ended in 2018/2019 and the Chinese factory was closed.
Since early 2020 a new factory in Korea has been (or IS being🙄) set up and European sales are being handled through D-Power Modellbau, primarily a copter and drone company.
Link to Online shop-
https://www.d-power-modellbau.com/graupner
This arrangement is for the Graupner electronics range only - no model kits!
I believe that some Graupner models landed by Robbe and subsequently ended up by Krick.
There is also a new Graupner Service Centre here.
https://www.graupner-service.de/en/home-english/

Hope 🤞 this helps!
Cheers, Doug 😎

I was searching for information today and was surprised to read that Graupner went into administration 2018, so maybe that was why I could not get any official help as no one answered my emails to them! does anyone know the latest?

It would be a waste of time calling me, even on blue lights and two tones it would take me at least 1 day and you would have very little left
Len

Hi Len.
My intention, so far, is to use LiPo batteries to save space. I will use fairly large capacity units. I will probably use 7.4 volts for the equipment with suitable voltage regulation. The motors will run on 11.1 volts and the receiver feed via the BEC on the ESC. This is my plan at the moment. My wiring will be far away from that diagram supplied by Krick. If you hear of a large fire in Hungary, I probably got it wrong.
Peter.

Peter,
This time NOT reading the instructions paid off LOL!!

Martin555.

Hi Len.
After inspection of my crane I have found that I did not glue it together, just friction fitted. I will add a brass section to raise the height of the crane and replace the lifting rope. I am a lucky (or just lazy for not having glued it) boy.😁
Peter.

I should have no problem with that method Colin. Most of my railings collapse on their own anyway.😁
Peter.

Colín,
That is an interesting thought, might have to move the bollard further back! Hope Peter reads this.
However for me until I understand and learn about how graupner multiswitch system works, I have disconnected both the anchor and hoist ( even though they are wired and could work),sorted some of the lighting am using an 8 channel receiver!
Len

Good morning Len, looking at your dinghy problem, I worked on acanal maintenence boat a few years ago and it had a collapsible section of guard rail to allow the dinghy to be launched and retrieved.
Cheers Colin.

Peter,
Have looked and tried, amount of lift is very little, I considered removing railing back to pillar near hoist but dinghy fouled up with bollard! Also tried smaller dinghy but did not look right good luck, will be watching with interest.
In the process of hiding loose wires by zip ties and sticky tie clips under the deck, and wondering if battery(no 285) is needed as battery ( no 289) should be sufficient with a spur off to feed receiver?
len

Lucky me. It is only pushed together so far. I can add a lift piece. Thanks for the warning.
Peter.👍👍😀

Well spotted Len. I can now see why this could never work. I will try to do a modification to the upper railing to see if the dingy will raise over the lower railing. If it will, I will add a chain. I think it is too late to modify the crane but I will look closely at it. I do not want to spoil the crane as built.
Peter.

Sorry.
Little warm here,40 in the shade

Hi Len,
I think your last post should of been for Peter.

Martin555.

Peter,
Find closeup at eye level,you can see problem!
Did notice on two pictures krick catalogue shows extended crane pillar
Len

peter,
have done so!

Hi Len.
Perhaps you could start a harbour and add some pictures of the completed model there. It would be nice to see all of your hard work.
Peter.😊

Hi Len,
The main thing is every thing is working and she floats.
Maybe you can post some photos the finished model i am sure the other members would also like to see her.

Martin555.

Huston, I have a problem!
Just tried to video, come to conclusion easier said than done as I do not have video editing program!
8x4meter pool not big enough and my piloting is rubbish as I keep hitting the walls and do not want you to see it! Will have to find A big area of water and get permission
Wish I had access to water like mouldbuilder appears to have!
But everything of the reduced controls (8 channel receiver) works well!
My apologies
Len

Thanks Len. Looking forward to the video too.

Excellent,
Looking forward to the video.

Martin555.

Put into the pool today and noticed a couple of things, seems a bit heavy on starboard side and the water jet is approx 4 meter range.
Peter, some info, add a bit more on the plastic water pipes to B&C( they kink at the bottom of the metal tubings so only A gets water and make sure the hole through top of cabin is bigger than they say as it rubs against the rubber connection causing the radar to lift and hit the mast array!
Will do a short video later as to get full effect of lights I has to be a bit darker than now!
Apart from the above well pleased and RC works(thanks Martin)as we wanted!

Tried as per the video, freezing as necessary ( if I had disconnected the radar motor I would still would have had to manually switch it on.) not very good as only have a big soldering iron, not got round to fine point one!

Len,
Did you zero the pot before testing. ?

Martin555.

Martin,
No! But there was no indication and nothing on the voltage tester. As there is plenty of space and not chancing another servo, reverting to my original thoughts.
As it’s getting warm switched my garage fridge on so can have cold drinks!
Len😎

Hi Len,
Did you try the utube servo with lights only and not with the radar motor. ?

Martin555.

Martin,
Tried the switch using a servo as the utube,but did not work(bin one servo), have got a micro switch with roller and a servo, making a box for servo and screwing micro switch on the outside so when servo operated via the receiver it switches on the micro switch and we have lights (it works by holding it hence the box)
Len

Peter,
If you measure the dinghy and then the gap between the crane jib(taking into account the supplied hook) according to the plans it is touch and go if the hook connects directly to the middle bench and not as per the building instructions(which use carrying chains.If you do not shorten the tubing (BK12 on the plans) it might work but looks wrong. the other alternative is to shorten the side rail by 2 uprights and use a chain but you may have a problem with the mooring bollard.
This seems strange me offering advice rather than asking for help!!!!!
Len

Just a note on your comment. Is the crane incapable of lifting the dingy over the railings or does yours have a particular problem. Should I modify them to suit as I have not made these yet.
Peter.

Well done Len. You got there in the end. I have this path to travel soon. I have other ideas on how to solve this issue but time will tell. Martin will be pleased to hear that the instructions are not much good in this case. I can wing it as usual.😬

Hi Len,
That is great news.
I am glad the members of this site were able to help you to get your Dusseldorf working.
And i am sure we are all looking forward to seeing the video.

Martin555.

After nearly a year and with a little help, advice and guidance from members (I tell lies it should be a lot of help) with special thanks to Martin I HAVE FINALLY GOT MY DUSSELDORF WORKING!
I could not get the switch module working (and still do not understand how it works) decided to set a reduced operation, and only use the GR-16, 8 channel receiver.( the manual says I can run two receivers and when I tried it all that happened was the operations were duplicated.
What I have done is to ignore the anchor winch (Water is too deep in my pool and tiled floor), the hoist and winch at the stern as the dinghy is too big to go over the side rail and the raising/ lowering of the monitors
The lighting (except the blue light) and radar motor are wired together and manually switched on before the boat leaves.
So far this leave me an unused receiver!
I programmed the boat pre-set on my transmitter which automatically gave me steering and speed controls on the right joystick and training of the monitors on the left joystick( the two cabin monitors on horizontal direction and the bow monitor on the vertical).
Some of the wiring had only two wires to the receiver so would not work, this was overcome as follows: the blue light had a blinker switch. I used uno switches to operate the searchlight motor and the pump( I was going to use three Krick uno switches) but after couple of weeks found the receiver would only operate two!
So I have finished up only using 7 channels!
I intend to now tidy it up and see how it operates in my pool hope to video some results and post later!
THANKS for all the help given to me and watch out for Graupner problems (Manual in excess of 100 pages not counting the receiver)

Hi Len.
I have sent you a PM.

Martin555.

Martin,
should be around from tomorrow thursday, let me know when and will be in garage by all the bits!
Len😐

could get GR-24 receiver which would give me 12 channels but will still have switch problems😀

Ok Len,
We will chat later just give me a shout when you are ready.

Martin555.

Mouldbuilder ,
Transmitter is showing 16 channels and can allocate switches to all!

Martin
Thought I had,but looking again,NO I have not but will, just removed red wire, it has affected the switch for blue flashing light, have either fast or slower flash.
Wiring diagram attatched it is A3 size,
Will be busy for first half of this week.

On my Taranis, you have to first ensure it is switched to 16 channels. You then bind the receivers one at a time, one set for 1 to 8 and the other from 9 to 16. If you do not change the setting for each receiver, they will just both be bound as 1 to 8.
Peter.

Len,
Just a quick question.
On the original diagrams did you remove the + from the ESC (283) to 8ch receiver (284)?

Martin555.

Hi Len,

Ok It' time for a re-think.
It looks like i better have a copy of the diagrams.

Martin555.

Martin, followed your advice, I have connected the two receivers (tried binding together,individually and from different power sources) only to find they duplicate each other every time, so have 8 channels(plus 8 duplicates). all channels I tried switches will work if using a servo but apart from the blue light (which has a blinker unit) all others are on permanentely (the switches,even set on transmitter) do not work.
have 3 channels available to run3 motors
radar(on permanentely),searchlight and water pump(as necessary),also 2 sets of lights(if all lights are on together and search light as necessary).
could connect lights to radar motor to save one switch which makes one short.
Cannot have all monitors together as two on cabin are facing aft and one on bow faces forward( might try reversing bow monitor servo)
Len

I may have a faulty switch module and just accidently found out the Robbe switch module is conpatible to the Graupner hott systems!!!I am therefore getting one, changing the wiring as per the original wiring diagram and hopefully getting further on( may even complete) and get things working as it should!

Forgot to say only using a GR-16 receiver at this stage and not using the. preset boat channels.

I am back again! still having problems!
I have been able to connect the blue flashing light and allocate it to a switch via a Krick Ro8220 binker unit!!!!
I then wired the running lights together and tried to allocate a switch so I could turn them on and off at will, the allocation was successful (tried the flashing light which works) but will not turn the running lights off or on, tried them on the channel and switch for flashing lights but still wont work( they work if I connect them directly to a battery).
Have tried every combination of 2 & 3 wires without success! any ideas?????

sorting out and checking wiring, so far so good! put boat in water today to check for leaks( and basic driving and turning) pool 8M*4M, not big enough as boat goes "mas rapido". found I had 12mm water in hull, fortunately not affecting electrics, My own silly fault, did not make sure water inlet pipe for pump was above water level! now letting it dry out but thinks that is the only water ingress!
next stage RADIO SETTINGS but will do 1 at a time, Garage now warm enough to work in without gloves.

have been moving forward slowly from restarting from scratch, reading manuals and have changed the speech on transmitter to english( the controls have been changed some time ago).It is saying " receiver voltage" on the transmitter it is showing 2.7v, I have then checked the voltage going into the receiver (trying several cables and even plugged power supply directly avoiding the switch)and is 6.5v so is it a faulty receiver or the transmitter?

Jonathan,
Just heard I can get my cable from my postbox Monday so will be able to sort the wiring, trying to work out wiring plan (see photo), what do you think?
In case I get fed up have ordered a Tamiya Konghead 6x6 car kit from cornwall so I can relax a bit, have plenty of areas to play with it( due wednesday)!

Jonathan,
I have just sent a message to Robbe modellsport (Graupner agents for europe )via their website, explaining the problems and included the comment about the translation of the manual, also asked for an email address so I can send a copy of the wiring diagram for them to look at