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    RA INGA IV Maiden sail
    25 Posts ยท 13 Followers ยท 6 Photos ยท 125 Likes
    Began 1 month ago by
    Lieutenant Commander
    United Kingdom
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    Latest Post 1 month ago by
    Captain
    United Kingdom
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    GaryLC
    Captain
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    41 Views ยท 3 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 5 hours ago
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    Great stuff, a really great bit of very neat deck planking, and a beautiful paint job on the hull in my favourite shade of green. Regards, Gary.
    Gary Steam Marine, the only way to go.
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    PeterL3
    Master Seaman
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    32 Views ยท 2 Likes
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    Wow FAN TAS TICK well done on you maiden sale what a lovely sight hope you have more thanks for letting us all share your venture regards peter l โ›ตโ›ตโ›ต
    AlessandroSPQR
    Captain
    ๐Ÿ‡ฎ๐Ÿ‡น Italy
    ๐Ÿ“ RA INGA IV Maiden sail
    43 Views ยท 3 Likes
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    Country: ๐Ÿ‡ฎ๐Ÿ‡น Italy
    Online: 6 hours ago
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    Hi Roger A1.

    Regarding this statement:
    "Air has to travel further around the back of the front this means it travels faster. Faster means low pressure on the back and high pressure on the front."
    I sent you a private message.



    For everyone I say this:

    You are right to look for an ideal curvature for your sails but think about the wing lift formula.
    Considering only the factors that can be modified (certainly not the density of the air), it is clear that the surface area and the wing coefficient influence in a linear manner while the speed influences in an exponential manner.
    In reality we can't even act on the speed (which is that of the wind) but just hope that there are enough knots.
    I have seen sails that looked like sheets hanging out in the sun and still managed to sail even in clause hauled.
    This is not to say that structuring a sail in the best possible way is not important, but what is most important is the wind.
    My intent is not to criticize anyone's comments but only to reassure Rogal who did an excellent job with both the model and the sails.
    Frankiesays1953
    Leading Seaman
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    50 Views ยท 2 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 2 days ago
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    She looks great on the water Roger, ballast looks spot on. I look forward to seeing her heeling over under a bit of a breeze. Did I detect a bit of power at the beginning of the video to give her a kick-start?
    hermank
    Commander
    ๐Ÿ‡ง๐Ÿ‡ช Belgium
    ๐Ÿ“ RA INGA IV Maiden sail
    62 Views ยท 4 Likes
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    Country: ๐Ÿ‡ง๐Ÿ‡ช Belgium
    Online: 2 days ago
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    Rogal 118
    Looking forward to see it after finishing thรฉ New colours on thรฉ hull
    Rogal118
    Lieutenant Commander
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    63 Views ยท 8 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 3 hours ago
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    Hi there Hermank. It is my next refurb project a 1/12 th scale Tyne lifeboat, purchased from a club member last summer. It sails very smoothly and quietly and works well, it just needs a coat of paint and all the fiddly bits adding to the deck and super structure. Shouldโ€™nt take long Iโ€™ve started to refurb the crew that came with it.i will keep everyone posted as I progress
    Roger
    hermank
    Commander
    ๐Ÿ‡ง๐Ÿ‡ช Belgium
    ๐Ÿ“ RA INGA IV Maiden sail
    68 Views ยท 4 Likes
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    Country: ๐Ÿ‡ง๐Ÿ‡ช Belgium
    Online: 2 days ago
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    Rival 118 morning
    Very very Nice yacht and well built.
    When i lokker at it i saw ร  Rnli model in the background. Which one havรฉ you Made?
    Rogal118
    Lieutenant Commander
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    66 Views ยท 8 Likes
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    Hi andy1 Iโ€™ve sent a private message to you, if I can help. In any way PM. Me back, the members on this site have been brilliant with their help and advice, itโ€™s been 8 weeks since I started the refurb of IngaIV and now she is complete. I could not have done it without the help, advice, photos, plans, knowledge and expertise of these wonderful worldwide bunch of guys on this brilliant Model boat web site. Photos are start and finish, Give yourselves a round of applause guys, and once again Thankyou all. Roger.โ›ต
    Roger
    Andi1
    Leading Seaman
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    64 Views ยท 5 Likes
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    Hi guys I have an Inga IV to rig, does anyone have details of sail shape,camber jig manufacturer, masts, booms, I only have the boat to renovate it's seen some damage over the years.
    Also have an Atlantis the same deal hull, cabins, ballast weight and drop down motor. so I could do with some instructions plans to help me get these done and sailing.any help and pointers would be great
    RogerA1
    Chief Petty Officer 1st Class
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ RA INGA IV Maiden sail
    78 Views ยท 6 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 3 days ago
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    Caber in a sail is what it makes it start to act like an airplane wing. It can be achieved by moving the back corner of the sail to form a curved gap between the boom and the foot of the sail. Movement are only very small as a starting point I would aim to 15mm to 25 mm between the boom and the sail at the mid position.
    As said it works like an air plane wing. Air has to travel further around the back of the front this means it travels faster. Faster means low pressure on the back and high pressure on the front.
    More camber means more drive at the expense of being able to sail code to the wind too much and tacking becomes difficult, I wouldnโ€™t put quite as much in the small sail at the back. Itโ€™s about trial and error. Hope this helps.
    Also the angle of the booms relative to the center line has an effect when sails pulled right in.The job should be further out than the mainsail to allow the air to flow round the back of the main.
    The main boom should be off center by a few degrees.
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