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Forum: Hatteras Tech Talk

Techinical Discussion & Hatteras Related Topics Only

  1. 8v92ti Oil Selection & Allison Question

    Got 2400 hrs on the port and 1700 hrs on the stbd. The mechanic put in SAE 30 at the last oil change. The Spec says SAE40 and to use 30 "Only when the ambient temperatures and engine cranking capabilities result in difficult starting should SAE30 grade oil be used" So which weight would you...

    Started by Chasemmc‎, 10-11-2017 08:22 PM
    • Replies: 5
    • Views: 728
    10-12-2017, 08:40 AM Go to last post
  2. Expected top end of Ď83 60í enclosed bridge SF with 12v92s

    I know my boat has been run light itís entire life. The old owner told me itís an 10-11 cruiser. In a couple weeks when Iím able to run it up, assuming I can get 2350ish what should I expect to see other than a lot of fuel disappearing from the tank? 20kts? It does have fins that I realize will...

    Started by oceanjake‎, 10-09-2017 12:08 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,781
    10-12-2017, 08:21 AM Go to last post
  3. How do you do an frame rebuild 12v71

    I am curious. I've seen lots of posts regarding rebuilt engines that were done in the boat. My question is how do they actually achieve it? How do they lift the heads off? How to get adequate access to the crankshaft underneath etc? I'm looking at the engine room on my 1984 61MY now and trying...

    Started by scottinsydney‎, 10-09-2017 01:06 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,927
    10-11-2017, 10:06 PM Go to last post
  4. 32 VOLTS Rule 3700 on Amazon at $173

    Pretty good price i noticed today while shopping for 24v version and that Amazon prime free 2 day shipping. Rule 15A 3700 GPH Heavy Duty Bilge Pump, Non-Automatic, 32 Volt https://www.amazon.com/dp/B000O8F7VU/ref=cm_sw_r_cp_api_mhP3zb2NBDAR0

    Started by Pascal‎, 10-11-2017 06:54 PM
    • Replies: 3
    • Views: 398
    10-11-2017, 08:31 PM Go to last post
  5. Looking to Remove washer/dryer from 1991 40 DC

    I am looking for advice from anyone who has dealt with replacing the factory installed washer/dryer aboard a 40 double cabin motor yacht. My unit has failed and needs to be replaced. I can purchase todays version of the unit and the measurements are all the same, that the good part. However the...

    Started by sea trial‎, 10-11-2017 10:58 AM
    • Replies: 1
    • Views: 401
    10-11-2017, 11:48 AM Go to last post
  6. Hull Thickness & New Stabilisers 1984 61MY

    Ive seen many posts on hull thickness and got a real surprise when the old Naiad 252 stabiliser system was removed this week. Being replaced with a Vetus system. Thought I would post a few photos from the slipping this week. In the end the old blocks and rusted old Naiad parts came out as one and...

    Started by scottinsydney‎, 07-01-2017 08:36 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 38
    • Views: 6,930
    10-11-2017, 09:26 AM Go to last post
  7. Horrible Hum in Driveline. 1984 61My

    This afternoon I took the boat for a 20 mile run at 1100rpm. Boat had just been splashed yesterday from antifoul. No issues in departing. On arrival I brought back the throttles to idle and a loud hum resonated through the entire boat. Investigation shows noise coming from starboard engine side....

    Started by scottinsydney‎, 10-10-2017 05:34 AM
    • Replies: 9
    • Views: 1,241
    10-10-2017, 09:30 PM Go to last post
  8. Max width at the waterline, 1981 70' extended deck house MY

    HiDoes anybody know what the max width/beam is on a 1981 70' hatteras extended deck is at the waterline?not sure if I can cgetvit my slip

    Started by Mattie69‎, 10-10-2017 07:34 PM
    • Replies: 3
    • Views: 456
    10-10-2017, 09:27 PM Go to last post
    • Replies: 1
    • Views: 1,163
    10-10-2017, 09:26 PM Go to last post
  9. Refiting and roving bulkheads

    Any advice on removing or modifying the galley/salon and galley/pilot house bulkheads to open up a 1981 70' extended deck MY, I am also considering enlarging the fly bridge ladder access and replacing the ladder with a stair case in the pilot house ....are the bulkheads structural ?

    Started by Mattie69‎, 10-10-2017 07:39 PM
    • Replies: 2
    • Views: 684
    10-10-2017, 09:21 PM Go to last post
  10. Galley bulkhead removal ,can it be done?

    Hi I am brand new to the forums, I have owned several boats and yachts overs the years and am looking at purchasing a 1981 70' hatteras motor yacht, the no cockpit model , has anyone removed the galley bulkhead and opened up the galley to salon for an open concept floor plan , also considering...

    Started by Mattie69‎, 10-10-2017 02:03 AM
    • Replies: 3
    • Views: 502
    10-10-2017, 11:46 AM Go to last post
  11. Looking for surveyor with Hatteras experience and engine surveyor in Ft. Lauderdale

    Hello everyone, I have a contract pending surveys and I am looking for recommendations of a yacht surveyor, preferably with Hatteras experience, and a good Cat engine surveyor in the Ft. Lauderdale area. The yacht is a 1998 74' CPMY with Cat 3412. Thanks so much for any info. Ron

    Started by bayboater‎, 10-09-2017 11:21 PM
    • Replies: 1
    • Views: 369
    10-10-2017, 10:57 AM Go to last post
  12. hp and tork and the new engines

    Issue with new engines Cummings , Cats , Mans. I have stumbled on a issue. What is the problem here you guys with motor knowledge. The new cats 12.9 is rated at 1050 hp but they will not perform as their counter parts. For example a detroit 892ti hp of about 735 to 725 will push a 61 S...

    Started by Tim Powell‎, 10-09-2017 12:26 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 989
    10-09-2017, 11:29 PM Go to last post
  13. 1973 45C - "Longitude 90" Refit Thread

    I have been absent from the board for quite some time- moved around, had some kids, went through a few jobs- anyway, back home in Biloxi for good and finally have some time to spend on the old girl. I bought the boat 10 years ago in Miami and immediately had lots of plans as far as a refit goes;...

    Started by skrmetta90‎, 09-17-2017 07:41 PM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 3,136
    10-09-2017, 06:23 PM Go to last post
  14. Washer Dryer Wiring

    Hi, Installing a new ge stackable WD seperate units dryer 3 prong 220 volt plug washer 110 volt plug The original circuit consist of 2 120 volt lines each one with a black wire (hot) and a white nutreul wire questions is where do i tie my grounds into the white nuetrel wires ? ...

    Started by Mike in S Fla‎, 10-09-2017 10:31 AM
    • Replies: 2
    • Views: 467
    10-09-2017, 02:04 PM Go to last post
  15. Detroit Diesel 16v92 DDEC 1993 with 4,000 hours.....

    So here we go, engine survey comes back great but, there is no previous service as it relates to a tune up ever being done during those hours. Do you think that the injectors are worn enough in 4k hours to warrant replacing? .......a question posed to the Detroit Diesel mech. ......which was meet...

    Started by northshoreone‎, 10-05-2017 06:49 PM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 3,443
    10-09-2017, 09:14 AM Go to last post
  16. Flo- Scan Alternatives????

    Iím finally considering taking the plunge and purchasing Flo-Scans. Before I make this investment is anyone aware of any alternatives? Although Iím sure they will pay for themselves a few years down the line, I want to consider all options. This just seems like a ridiculous amount of money given...

    Started by 86Hat41‎, 10-06-2017 07:39 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,178
    10-08-2017, 11:27 AM Go to last post
  17. 60 enclosed bridge fuel gauge

    Topped off my boat for the first time thus weekend. Fuel gauge didnít move off 1/4. Any pointers? If mechanical I have a feeling itís gummed up. Previous owners didnít want to give away any fuel so they ran it on fumes and pumped the forward 518 gallon tank into the main tank until bone dry. I...

    Started by oceanjake‎, 10-02-2017 01:14 AM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 2,328
    10-07-2017, 08:14 AM Go to last post
  18. Help: Need voltage regulator for 12.5kw Phasor

    I am trying to find a voltage regulator for my Phasor 12.5kw generator. I have tried Southeastern Power . I have called, emailed with pictures and no reply. Does anyone know where else to try? This is what I am looking for. If anyone can help I have all details from Generator end if needed. ...

    Started by tazdog‎, 10-04-2017 10:16 PM
    • Replies: 7
    • Views: 936
    10-06-2017, 10:41 PM Go to last post
  19. Spray from vent while filling fuel

    Does anyone else get this? It's annoying. On my 1000 gallon tank, after about the 900 gallon mark fuel starts sputtering from the vent line unless I slow the input down to a trickle. Does anyone else experience this? Any solutions I haven't considered?

    Started by oceanjake‎, 10-03-2017 07:20 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,377
    10-06-2017, 12:46 PM Go to last post

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