Forum: RIBs & ribbing
21 May 2013, 22:23
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Replies: 63
Views: 8,211
I suggest the following :
- you need a bloc...
I suggest the following :
- you need a bloc of hard plastic, or better metal (ali) deep enough, for instance 2 inches, to keep the bit straight while you drill. It must be large enough to allow it...
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Forum: Engines & props
21 May 2013, 13:14
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Replies: 7
Views: 2,264
Go to catamaran ...!
I own a 6.3 south...
Go to catamaran ...!
I own a 6.3 south african one, made by Stingray, not a light unit due to a lot of GRP + big 2-men console with 2 front seats, + 2 men-bolster for driver and ... + bow...
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Forum: RIBs & ribbing
19 May 2013, 10:17
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Replies: 14
Views: 2,361
To Teamplonker
You don't say what pitch your...
To Teamplonker
You don't say what pitch your present 3 blade prop is ! Nor your present "low" RPM ! Is it really 4400 with a 15" prop, extremely low indeed.
You said nothing about speed, did...
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Forum: RIBs & ribbing
19 May 2013, 09:50
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Replies: 19
Views: 2,457
When the lines from pump to motor are not...
When the lines from pump to motor are not straight, but with highs and lows - like snake - it is impossible to bleed the air out.
My solution is to bleed them out of the boat :
- it needs good...
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Forum: RIBs & ribbing
11 August 2012, 07:59
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Replies: 28
Views: 13,745
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Forum: Engines & props
22 May 2012, 22:52
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Replies: 3
Views: 1,929
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Forum: RIBs & ribbing
22 May 2012, 22:46
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Replies: 6
Views: 1,877
I think you are mistaking, there are no short...
I think you are mistaking, there are no short shaft in this power - lets try to find one unless special order if any - and I doubt that an Hysucat could reach 40kn with 25 or 30hp !
With a pair of...
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Forum: Engines & props
22 May 2012, 08:21
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Replies: 20
Views: 9,516
The cheapest : unscrew your console gauge...
The cheapest : unscrew your console gauge receiver and half-turn it, then re-screw !
Your problem is the way of the Resistor variation of the tank gauge, with one model the resistor value is...
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Forum: Engines & props
22 May 2012, 07:59
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Replies: 3
Views: 1,172
There should not be major problems !
You have...
There should not be major problems !
You have to know the gear ratios of the old and new engines, then you select the right prop for the new one to get the same rpm on both engines.
I had to do...
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Forum: RIBs & ribbing
07 November 2010, 22:35
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Replies: 4
Views: 3,681
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Forum: RIBs & ribbing
21 August 2010, 13:51
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Replies: 5
Views: 6,310
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Forum: RIBs & ribbing
21 August 2010, 13:48
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Replies: 15
Views: 3,405
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Forum: RIBs & ribbing
21 August 2010, 13:09
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Replies: 18
Views: 8,540
the grp boat is made by assembling the hull...
the grp boat is made by assembling the hull (bottom part) to the deck part, and there is probably a broken section somewhere around the assembly line, which opens when you ride, and leaves the water...
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Forum: Engines & props
09 August 2010, 09:07
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Replies: 21
Views: 7,986
I would suggest to angle the engines.
This is...
I would suggest to angle the engines.
This is very common in South Africa where most of ribs are twin'ed.
On Tomcat-Stingray cats, it is mandatory - 7 degrees on each engine - otherwise you get...
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Forum: Engines & props
09 August 2010, 08:11
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Replies: 3
Views: 2,868
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Forum: RIBs & ribbing
25 March 2010, 19:19
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Replies: 39
Views: 16,968
While you are removing the powerhead, I would...
While you are removing the powerhead, I would suggest that tou carefully check the 2 bolts which go through the top silent blocks. 3/8 with US threads, not ISO.
Take care they break ... even if the...
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Forum: RIBs & ribbing
25 March 2010, 19:09
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Replies: 18
Views: 4,976
I agree with Biffer statement.
It seems that...
I agree with Biffer statement.
It seems that the legs are too short in all directions - possibly there is nothing between the deck and the hull.
If I had the same problem, I would open the deck,...
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Forum: RIBs & ribbing
25 March 2010, 18:45
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Replies: 7
Views: 1,281
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Forum: RIBs & ribbing
01 March 2010, 08:34
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Replies: 6
Views: 1,538
I would add : be very careful when "inflating"...
I would add : be very careful when "inflating" the hull, as the (internal pressure x hull area) is huge and able to break all the GRP sealings.
I tried once, on a 7.5m hull, inflating slowly until I...
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Forum: RIBs & ribbing
28 February 2010, 17:58
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Replies: 5
Views: 11,654
this is a very interesting topic, because I had...
this is a very interesting topic, because I had the problem several times - ie remove some old glue from pvc or hypalon - and I always ended by grinding it carefully with an electrical grinder with...
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Forum: RIBs & ribbing
10 January 2010, 18:05
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Replies: 19
Views: 2,836
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Forum: RIBs & ribbing
10 January 2010, 08:53
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Replies: 19
Views: 2,836
I have several roll-bars available, all in SS,...
I have several roll-bars available, all in SS, pictures and size on request.
And a Nautinox 1969 one - see their catalog on line - very nice with its nicely curved tube, width is registrable, can...
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Forum: RIBs & ribbing
08 January 2010, 16:52
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Replies: 28
Views: 13,745
tube
I have a friend working for a tube maker in Italy, and I just had my pontoon rebuilt with 1670decitex Orca hypalon - one word is great !
At a very affordable price, that's not bad ...
If you were...
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Forum: Engines & props
29 November 2009, 21:59
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Replies: 7
Views: 1,981
To avoid an engine seizure in case of automix...
To avoid an engine seizure in case of automix failure, I would recommend to add 0.5% of oil into the gasoline.
If the automix is ok, this will add a few oil to the right %age, not a problem.
If for...
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Forum: Engines & props
29 November 2009, 21:43
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Replies: 5
Views: 1,767
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