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    The Games Chest
    Question of the Day?
    5592 Posts ยท 79 Followers ยท 385 Photos ยท 14041 Likes
    Began 3 years ago by
    Captain
    United Kingdom
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    Latest Post 20 hours ago by
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    United Kingdom

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    In the context of advanced ship propulsion systems, which of the following best describes the primary operational advantage of a contra-rotating propeller (CRP) arrangement on a modern commercial ship?

    A. It eliminates the need for a rudder by providing full directional control.
    B. It increases propulsive efficiency by recovering rotational energy lost in the slipstream of the first propeller.
    C. It allows the ship to reverse direction without changing engine rotation.
    D. It reduces cavitation by operating both propellers at identical speeds and directions.

    Select your answer above. Good luck!

    Members who have participated in the last 30 days
    Position User Score Correct Incorrect Unanswered
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    1 RubaDub 100% 30 0 0
    1 AlessandroSPQR 100% 30 0 0
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    1 RonH 100% 30 0 0
    2 Newby7 97% 29 1 0
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    2 ekoral 97% 29 1 0
    2 roycv 97% 29 1 0
    3 Yabbie1 93% 28 1 1
    3 EdW 93% 28 2 0
    3 TonyAsh 93% 28 2 0
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    17 Lauriem 10% 3 1 26
    18 Oxford-Dave 7% 2 2 26
    19 Cpt-Pugwash 3% 1 0 29
    19 Hhager2 3% 1 4 25
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    Show More
    roycv
    Fleet Admiral
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    25 Views ยท 1 Like

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    In my thinking if you were to the leeward of an enemy you would be leaning over and pointing your guns higher giving more range to fire.
    Whereas the enemy ship would be leaning towards you with guns dipped lower and less range. Possibly having to close the lower gun ports.
    But what do I know it all seems a bit dangerous to me.
    Roy

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    AlessandroSPQR
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    ๐Ÿ‡ฎ๐Ÿ‡น Italy
    ๐Ÿ“ Question of the Day?
    28 Views ยท 1 Like

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    Sorry, I was in the wrong topic.
    I deleted it.

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    roycv
    Fleet Admiral
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    27 Views ยท 2 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    It's the first time I have got that question right! I chose longest answer and crossed my fingers
    Roy

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    luckyduck
    Lieutenant
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    28 Views ยท 2 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    Answer B could have been correct if it had stated gun ports clear to windward, rather than smoke clearing, which was the killer part of that answer. Read all the answers firast before jumping in.

    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 361
    SouthportPat
    Commodore
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    29 Views ยท 3 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    Not to mention the gun ports of the leeward vessel being above the waterline

    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 361
    AlessandroSPQR
    Fleet Admiral
    ๐Ÿ‡ฎ๐Ÿ‡น Italy
    ๐Ÿ“ Question of the Day?
    33 Views ยท 4 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    That's true, Nick, but until everyone learns the problems of staying downwind in the days of galeons and vessels, the AI โ€‹โ€‹will never give up, hahahahah.

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    Nickthesteam
    Rear Admiral
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    32 Views ยท 4 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    Repeat question...

    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 361
    If it don't fit, use a hammer to make it fit....
    RossM
    Captain
    ๐Ÿ‡จ๐Ÿ‡ฆ Canada
    ๐Ÿ“ Question of the Day?
    32 Views ยท 1 Like

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    APRIL 21

    Is this question bad?

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    Force nothing, waste nothing, leave nothing undone
    BOATSHED
    Captain
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    35 Views ยท 7 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    I Wouold like to thank you all that said they were glad that my op went well..
    I now just need to get through the stiches out and the recovery physio.
    I can't wait to get back behind thewheel of my car again, but my wife is holding me back on that
    so is one of my sons and he lives 250 miles away. they say fitness first. OH WELL.

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    BOATSHED
    EdW
    Captain
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Question of the Day?
    38 Views ยท 2 Likes

    Warning: Undefined variable $CONFIG_status in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 324
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    Warning: Undefined variable $QUESTION_answered in /homepages/28/d580901040/htdocs/hobbyland/sys_files/ajax/list_posts.php on line 352
    Good to hear the op went well, you are one step closer to becoming bionic man

    Regards
    Ed

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