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>> Home > Members > Berty
Registered
16th Oct 2017
Last Online
17th Dec 2017
Berty

Member Stats
Stats
Member No. 4553
Registered 16th Oct 2017
Last Online 17th Dec 2017
City Longbridge Cl
Country United Kingdom
Boats in Harbour 1
Sailing Locations 0
Forum Posts 3
Photos Posted 0
Likes Received 4
Likes Given 0
4 Total Posts
Sailing Locations
No Sailing Locations
Harbour
Graupner Optimist
Type: Yacht
Seaman
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
3 points away from Petty Officer!
Points
Activity Worth Awarded
Boats in Harbour 8 8
Forum Thread 5 0
Forum Post 2 6
Event 8 0
Photo Gallery 10 0
Photos Response 3 0
Video Post 15 0
Video Response 3 0
Build Blog 20 0
Blog Post 5 0
Blog Response 3 0
Sailor 8 0
Guestbook Post 8 0
Liked Posts 1 0
Received Likes 2 8
22 Total Points
United Kingdom
Recent Posts
Graupner Optimist by Berty Seaman   Posted: 1 month ago
[Score: 8/10] Powered by NiCad (4.8v) Batteries - Comments: Just acquired a Graupner Optimist ..,Have not made a yacht since Marblehead racing days so looking forward to an interesting build. Came with full accessory kit , plans and all wood in good condition even though it's 40 ? Years old

Twin motor control problem by Berty Seaman   Posted: 1 month ago
Hi John.. Been following this for some time....have you considered that the motors are not going into reverse ! ..but that the prop. wash is pushing against the underside of the hull ....thus giving a reverse thrust similar to that used on a jet engine ....this would only show at increased revs A rx going into fail safe would not cause this problem neither would not removing a red lead on an esc....I have flown planes with 2....4....and 6 esc,s and never cut a red wire off the esc. Can't wait to learn the reason in due course Berty

Twin motor control problem by Berty Seaman   Posted: 2 months ago
Hi John I think its time for the bath test......half fill bath......run motors with model held up in air to make sure motors are running correctly.....lower model half way into bath props half in half out of water.... check motors still running correctly...then fully into water....motors must still run correctly.....they can't reverse when they smell water !.....can they? Can we see photo of props and rudders....the solution may lie elsewhere I love this problem it's a good un !l Berty

Twin motor control problem by Berty Seaman   Posted: 2 months ago
With twin motors,that usually run in alternate directions...I e. One clockwise...one anti clockwise you need 2 different props...one clockwise..one anti etc...are you using the correct props ?