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>> Home > Members > John
Registered
3rd Sep 2014
Last Online
9th Dec 2017
John

Member Stats
Stats
Member No. 3022
Registered 3rd Sep 2014
Last Online 9th Dec 2017
City Bury
Country United Kingdom
Boats in Harbour 0
Sailing Locations 2
Forum Posts 104
Photos Posted 24
Likes Received 58
Likes Given 821
187 Total Posts
Sailing Locations
Mutual Model Boat Society
Since: 2nd Apr 2017
Bury Metro Marine Modelling Society
Since: 2nd Apr 2017
Harbour
Empty Harbour
Fleet Admiral!
Ranks Points
Fleet Admiral 1000
Admiral 800
Captain 600
Commander 400
Lieutenant 200
Sub-Lieutenant 100
Chief Petty Officer 50
Petty Officer 25
Seaman 10
Apprentice 2
Recruit 0
Top Ranking Member!
Points
Activity Worth Awarded
Boats in Harbour 8 0
Forum Thread 5 10
Forum Post 2 208
Event 8 0
Photo Gallery 10 0
Photos Response 3 42
Video Post 15 0
Video Response 3 69
Build Blog 20 20
Blog Post 5 5
Blog Response 3 129
Sailor 8 16
Guestbook Post 8 0
Liked Posts 1 821
Received Likes 2 116
1436 Total Points
United Kingdom
Recent Posts
Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
I was just nice to see her sail Dave. It was very quiet at Bury today, I guess a lot of people thought the lake would be frozen with the early frost we had.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Hi Doug, I am running late tonight due to my list of jobs! The problem is solved! I still do not understand what the problem was but the replacement of the escs has done the trick and she now performs as she should! Sailing today was a real pleasure thanks everyone for your help.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Hi Dave and Paul, as the two current esc’s are new under warranty and came fitted with Tamiya connectors. I am reluctant to cut the wires for now hence the connectors. The switches are one from each ESC one of which has the red wire cut. The range test was fine so the tx and rx are fine. The rx goes at the front under the deck far away from everything and above the waterline when it sinks in full reverse. The wires were out so you could see how everything is connected. If this does not work I can try two batteries next.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
The pictures with the new ESC's. It will be on the water tomorrow weather permitting.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Thanks Tom, I shall have a read.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Hi Berty, I am looking forward to the solution myself 😁

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Hi Paul, yes the easy solution would be to get a single esc to power both the 600 motors. I am going to look into that option if it does not work this week 😁

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Hi Paul, yes it sails at Bury and I am continuing to try different options. There has been much head scratching at Bury over the problem and the rescue boat has been out a couple of times to rescue the boat in reverse. The Y leads have been tried as you suggested. It is easy to test the rotation direction by feeling the air flow and slowing them manually to observe them.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
I will take some pictures when I go on Wednesday. The connections are all good. The problem is present either when the boat is first put into the water or shortly within seconds after. The battery is a 3cell Lipo always fully charged before use. I have used a bec and without a bec. Esc's are Mtroniks tio marine 30. I have tried several tx and rx it is currently a Planet!

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
That is a very interesting question Doug! and the answer is yes and no. Sometimes I have control of the speed on other occasions it has gone to full speed reverse and I have no control.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Sorry, yes I have tried using it without the bec and it made no difference.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Hi Dave, yes on the bench everything works as it should in both directions. In the water the only direction is reverse. Sometime it can go forward at low speeds for a short period before the reverse kicks in but then only reverse is available at all speeds.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
No voltage on the prop shafts of rudders, it must somehow be related to the increase in the current being drawn when the motors are under load. That is why I was thinking try another type of esc which does not required any setting up. I will let you know what happens Wednesday 😁

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
The problem is both motors. For some reason they work fine until they are in the water then they both only go in reverse. It is not the transmitter as I have tried two tx and rx. Not about distance or height. Nothing is connected to the water. Have tried moving the rx. Current thinking is it must be some kind of feedback between the ESC's but that does not explain why it does not do it on the bench.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Thanks All, I shall give the suggestions a try and update you on Wednesday weather permitting.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Sorry Reilly, A single motor with one ESC works perfect, as does the other motor with the other ESC. The Viper ESC's have been set up as a pair in the boat and individually on the bench. The problem remains only when the boat is in the water. So I am going to try ESC’s which do not require any set up and see next week.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
Another week and the problem remains despite trying different options. Plan is to buy two new ESC which do not require programming or setting up. The good old blue metal ones! Will let you know what happens of course.

Twin motor control problem by John Fleet Admiral!   Posted: 1 month ago
The problem persists! Another week, to try a few new things.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Hi Dave, no it will be Wednesday. I will let you know.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
The Rx is above the water and has been tried in 3 positions. John.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Thanks Tom.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Thanks Dave and Doug, I will make sure the ESC's are set up and if the hurricane has passed I will look forward to a nice day sailing 😁

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Thank you all, The boat did not sail today due to an unrelated problem. Plan is to fit the new ESC's which arrived today and make sure they are correctly programmed, also considering losing the mixer as it did not alleviate the problem. It will sail next Wednesday and I will give you an update! Thanks again for all your help.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Yes I will give you an update tomorrow.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Hi Berty, That is what I will be doing at the lake tomorrow. I have found the problem impossible! So in the absence of anything else will try a new esc! How can something change when it is in the water! There are no connections to the shafts or external in the water! Anyway it will be sailing backwards at Bury tomorrow.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Hi Jarvo, Yes one red lead has been disconnected from an ESC.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
The mixer was used because the problem was present with a Y cable splitter. The mixer is Mtroniks WTail mixer and is connected to the rudder. Everything is fine on the bench even full both ways. It is powered by a fully charged 11.1v Lipo

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Hi Dave, I have used two radio systems Planet and Spektrum to see if that was the problem. The problem is the same with both. If you use either ESC and motor there is no problems. The esc were connected direct to the rx and are now connected via a mixer unit. I can not understand how it is fine on the bench but not in the water. I have tried lifting the transmitter to see if is about the height and walking away to see if it distance. Back to the water tomorrow with new ESC's. John.

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Hi Berty, the props and direction of rotation are correct. The motors only rotate in one direction when in the water. They are fine on the bench. John,

Twin motor control problem by John Fleet Admiral!   Posted: 2 months ago
Twin 550 brushed motor Pt 109. Motors run fine on the bench (forward and reverse). When in the water the boat goes only in reverse despite the direction of the stick. Have tried another radio and have the same problem. The motors have independent viper ESC’s. Originally it used a cable splitter and then used a mixer and the problem remains any ideas?