{"id":3229,"date":"2021-07-14T05:42:11","date_gmt":"2021-07-14T05:42:11","guid":{"rendered":"http:\/\/rcpress.com\/wp\/?p=3229"},"modified":"2025-04-05T16:00:09","modified_gmt":"2025-04-05T16:00:09","slug":"390-motor-on-a-rc-boat-with-gear-reduction","status":"publish","type":"post","link":"https:\/\/rcpress.com\/wp\/?p=3229","title":{"rendered":"390 motor on a RC boat with gear reduction"},"content":{"rendered":"<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3236\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458.jpg\" alt=\"\" width=\"907\" height=\"762\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458.jpg 907w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458-300x252.jpg 300w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458-768x645.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458-675x567.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20210714_145458-480x403.jpg 480w\" sizes=\"(max-width: 907px) 100vw, 907px\" \/><\/a><\/p>\n<p>This boat has a 390 motor and a direct drive like configuration, but in fact it has a very small gear reduction setup, delivering sufficient torque and excellent performance while not over heating the motor. With a proper balance in gearing and propeller size, it goes as fast as one with a 540 motor!<\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cuYHjsOPAmQ\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>This is our simple gear reduction works:<\/p>\n<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3880\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959.jpg\" alt=\"\" width=\"814\" height=\"424\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959.jpg 814w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959-300x156.jpg 300w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959-768x400.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959-675x352.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/07\/IMG_20220613_234959-480x250.jpg 480w\" sizes=\"(max-width: 814px) 100vw, 814px\" \/><\/a><\/p>\n<p><iframe loading=\"lazy\" title=\"RCPRESS vid RC boat @ Aberford Park\" width=\"680\" height=\"383\" src=\"https:\/\/www.youtube.com\/embed\/JOrsQwJCa2E?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This boat has a 390 motor and a direct drive like configuration, but in fact it has a very small gear reduction setup, delivering sufficient torque and excellent performance while not over heating the motor. With a proper balance in gearing and propeller size, it goes as fast as one with a 540 motor! This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3880,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,126,85],"tags":[],"_links":{"self":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3229"}],"collection":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3229"}],"version-history":[{"count":9,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3229\/revisions"}],"predecessor-version":[{"id":6760,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3229\/revisions\/6760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/media\/3880"}],"wp:attachment":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}