{"id":16951,"date":"2026-03-30T17:55:55","date_gmt":"2026-03-30T17:55:55","guid":{"rendered":"https:\/\/manuals.seakeeper.com\/ride\/mechanical-installation-manual-750-1500-copy\/6-measure-transom-angle\/measure-transom-angle-introduction\/"},"modified":"2026-04-01T14:43:45","modified_gmt":"2026-04-01T14:43:45","slug":"measure-transom-angle-introduction","status":"publish","type":"page","link":"https:\/\/manuals.seakeeper.com\/ride\/mechanical-installation-manual-750-1500-375a-and-525a\/6-measure-transom-angle\/measure-transom-angle-introduction\/","title":{"rendered":"Measure Transom Angle Introduction"},"content":{"rendered":"\n<p><span translate=\"no\">Seakeeper<\/span> Ride Controllers must be mounted as close to flush and parallel with the running surface of the hull as possible, as explained in <a href=\"https:\/\/manuals.seakeeper.com\/ride\/mechanical-installation-manual-750-1500-375a-and-525a\/5-identify-installation-location\/5-2-vertical-location\/\" target=\"_blank\" rel=\"noreferrer noopener\">Section 5.2<\/a>. This portion of the installation requires installer to measure the transom angle at the chosen Controller locations.\u00a0\u00a0<\/p>\n\n\n\n<p>The Ride 750 Series controllers allow for some adjustment in seal plate angle after installation to fine tune the equipment. We strongly recommend attempting to install the equipment as precisely as possible to achieve a flush and parallel Seal Plate. If the Seal Plate angle needs to be adjusted after adhesive cure it can be done.&nbsp;&nbsp;<\/p>\n\n\n\n<p>The Wedge Pack Assembly (Items 4, 5, 6, 7, and 8 in <a href=\"https:\/\/manuals.seakeeper.com\/ride\/mechanical-installation-manual-750-1500-375a-and-525a\/inventory-parts\/\" data-type=\"page\" data-id=\"13836\" target=\"_blank\" rel=\"noreferrer noopener\">Inventory Parts<\/a>) allows for the adjustment of the Controllers to the boat\u2019s transom angle. The figure below illustrates the differences in the angle between the aft end of the running surface and the transom (A) and the resulting effects on Wedge Pack selection (B). The top two images show correct angle adjustments. The bottom two images show incorrect angle adjustments.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1621\" height=\"1093\" src=\"https:\/\/manuals.seakeeper.com\/ride\/wp-content\/uploads\/750-Different-Transom-Angles-and-the-Effects-on-Seakeeper-Rides-Geometry.png\" alt=\"\" class=\"wp-image-14529\" srcset=\"https:\/\/manuals.seakeeper.com\/ride\/wp-content\/uploads\/750-Different-Transom-Angles-and-the-Effects-on-Seakeeper-Rides-Geometry.png 1621w, https:\/\/manuals.seakeeper.com\/ride\/wp-content\/uploads\/750-Different-Transom-Angles-and-the-Effects-on-Seakeeper-Rides-Geometry-768x518.png 768w, https:\/\/manuals.seakeeper.com\/ride\/wp-content\/uploads\/750-Different-Transom-Angles-and-the-Effects-on-Seakeeper-Rides-Geometry-1536x1036.png 1536w\" sizes=\"auto, (max-width: 1621px) 100vw, 1621px\" \/><figcaption class=\"wp-element-caption\">Figure 38 \u2013 Different Transom Angles and the Effects on <span translate=\"no\">Seakeeper<\/span> Ride\u2019s Geometry&nbsp;<\/figcaption><\/figure>\n<\/div>\n\n\n<p>For optimal performance, the Seal Plate must be completely flush with the aft end of the running surface of the boat, which will eliminate angle C in the figure above. The Seal Plate can angle upward up to 2 degrees with a negligible effect on system performance. <strong>DO NOT<\/strong> mount the Controller angled upward more than 2 degrees. <strong>DO NOT<\/strong> mount the Controller angled downward at all.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"717\" height=\"331\" src=\"https:\/\/manuals.seakeeper.com\/ride\/wp-content\/uploads\/750-Seal-Plate-Acceptable-Height-and-Angle.png\" alt=\"\" class=\"wp-image-14531\"\/><figcaption class=\"wp-element-caption\">Figure 39 \u2013 Seal Plate Acceptable Height and Angle<\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Seakeeper Ride Controllers must be mounted as close to flush and parallel with the running surface of the hull as possible, as explained in Section 5.2. This portion of the installation requires installer to measure the transom angle at the chosen Controller locations.\u00a0\u00a0 The Ride 750 Series controllers allow for some adjustment in seal plate [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"parent":16949,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"manual":[375],"model":[],"document_type":[],"hidden":[],"class_list":["post-16951","page","type-page","status-publish","hentry","manual-mechanical-installation-manual-750-1500-375a-and-525a"],"acf":[],"_links":{"self":[{"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/pages\/16951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/comments?post=16951"}],"version-history":[{"count":3,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/pages\/16951\/revisions"}],"predecessor-version":[{"id":17137,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/pages\/16951\/revisions\/17137"}],"up":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/pages\/16949"}],"wp:attachment":[{"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/media?parent=16951"}],"wp:term":[{"taxonomy":"manual","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/manual?post=16951"},{"taxonomy":"model","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/model?post=16951"},{"taxonomy":"document_type","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/document_type?post=16951"},{"taxonomy":"hidden","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/ride\/wp-json\/wp\/v2\/hidden?post=16951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}