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  1. dougfrolich
    Boat Design Gallery

    R34

    Uploaded by: dougfrolich, Feb 15, 2017, 0 comments, in album: Member Album by dougfrolich
  2. dougfrolich
    Boat Design Gallery

    USS_Iowa_BB-61_alongside_USS_Midway_CV-41_in_1987

    Uploaded by: dougfrolich, May 31, 2015, 0 comments, in album: Member Album by dougfrolich
  3. dougfrolich
    Boat Design Gallery

    p12

    Uploaded by: dougfrolich, May 28, 2015, 0 comments, in album: Member Album by dougfrolich
  4. dougfrolich
    Post

    Exhaust system for Self righting vessel

    Yes I agree the cross connect could be a problem when running on a single engine. I think the key to minimizing the potential of flooding the off...
    Post by: dougfrolich, May 26, 2015 in forum: Boat Design
  5. dougfrolich
    Post

    Exhaust system for Self righting vessel

    Water trap type mufflers if used need to be large. If one engine operation is anticipated then maybe some time of redirect should be...
    Post by: dougfrolich, May 21, 2015 in forum: Boat Design
  6. dougfrolich
    Post

    Exhaust system for Self righting vessel

    Check the SNAME library for the USCG 47ft Motor Life Boat. A very well done explanation is given there.
    Post by: dougfrolich, May 21, 2015 in forum: Boat Design
  7. dougfrolich
    Boat Design Gallery

    Island Tender

    Uploaded by: dougfrolich, May 11, 2015, 2 comments, in album: Member Album by dougfrolich
  8. dougfrolich
    Post

    vinyelester resin

    Vinylester is used in quality boatbuilding. See Wyliecat.com
    Post by: dougfrolich, Apr 28, 2015 in forum: Materials
  9. dougfrolich
    Boat Design Gallery

    Rudder Tube M30

    Uploaded by: dougfrolich, Mar 23, 2015, 0 comments, in album: Member Album by dougfrolich
  10. dougfrolich
    Boat Design Gallery

    30' Sportboat

    Uploaded by: dougfrolich, Mar 16, 2015, 0 comments, in album: Member Album by dougfrolich
  11. dougfrolich
    Post

    Cable or Chain Ferry

    J-Mack https://www.youtube.com/watch?v=gwS_sVVI8ok
    Post by: dougfrolich, Mar 12, 2015 in forum: Propulsion
  12. dougfrolich
    Post

    Cable or Chain Ferry

    two cable ferries near Rio Vista California one is the Real McCoyII and the other is the J-mack. Operated by Cal-Trans.
    Post by: dougfrolich, Mar 12, 2015 in forum: Propulsion
  13. dougfrolich
    Post

    Stolen Designs

    I think it sucks that people steal other peoples work!!! BUT... "it is not the ones who steal your ideas and present them as their own that...
    Post by: dougfrolich, Feb 7, 2015 in forum: Boat Design
  14. dougfrolich
    Boat Design Gallery

    730

    30' offshore sportboat
    Uploaded by: dougfrolich, Jan 29, 2015, 2 comments, in album: Member Album by dougfrolich
  15. dougfrolich
    Boat Design Gallery

    460

    Uploaded by: dougfrolich, Jan 23, 2015, 0 comments, in album: Member Album by dougfrolich
  16. dougfrolich
    Boat Design Gallery

    297

    Uploaded by: dougfrolich, Jan 23, 2015, 0 comments, in album: Member Album by dougfrolich
  17. dougfrolich
    Boat Design Gallery

    1165

    Uploaded by: dougfrolich, Jan 23, 2015, 0 comments, in album: Member Album by dougfrolich
  18. dougfrolich
    Post

    Stability Analysis - Trim problem

    This article may help...starts on page 17 cheers
    Post by: dougfrolich, Jan 22, 2015 in forum: Stability
  19. dougfrolich
    Boat Design Gallery

    HEAVY_STUFF

    Uploaded by: dougfrolich, Jan 15, 2015, 0 comments, in album: Member Album by dougfrolich
  20. dougfrolich
    Post

    Raymarine ST60

    http://www.raymarine.com/view/?id=5534&collectionid=23&col=4530 Follow the link above and note the E85001 converter will do the job. its easy...
    Post by: dougfrolich, Dec 8, 2014 in forum: OnBoard Electronics & Controls
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