Ride plate length
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Ride plate length

  1. #1
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    Default Ride plate length

    Is there any data out there about ride plate length? How would different lenght plates affect ET/MPH. I know there are a million variables, but I am looking for someone to share their experiance. Thanks SJ

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  3. #2
    21 Daytona Outlaw's Avatar
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    many previous threads about this 19"
    #55

  4. #3
    Senior Member Josh@JBP's Avatar
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    On a standard intake with a G bowl I'll usually shoot for 18", if it has an aftermarket bowl (i.e. a little longer) or a C bowl I'll usually go for 19". This gets the plate just to the end of the bowl flange, good starting point.

    Performance aside here are some things to consider, If the ride plate is too short it makes it difficult to get a yoke under the small end of the bowl, If its too long it can negatively effect reverse function.

    Greg had a really good post when asked this same question a while back.

    Quote Originally Posted by greg shoemaker View Post
    Rideplates, rounded, concave, radiused. ribbed, dimppled and slotted proved to do nothing significant in a drag race set up. The rule of thumb when we started racing was somewhere around 18 inches. Well being young and fearless Jeff ,Norm, and myself decided to test ridplate length with one of the Dash for Cash boats at one of our famous test scessions at the now Blue Watwer Casino formly BlueWater home of the NJBA. On an off weekend we took our test to the water and this is what we came up with .Starting with a 18'' we ran the boat everything went well our std setup Test 2 20'' ran the boat and it was visibly freeer on the water all settings remainded the same.Test 3 22'' rideplate boat got way to loose. Test stopped on length. Now we went short rideplates 16'' was tried and the difference was the tail was stuck so we got the bright idea to try no ridplate at all and this is where the fun begins. The boat accelerates good, gets to top speed OK but the shut down was pretty bad, boat came down extremely hard .That was basically the end of the test secession on rideplates. We felt that we could make the boat a little better in different water conditions with the aid of a different length rideplate. Not a good idea to run a boat without a rideplate. So all you guys makes sure you have the proper length, bolts to hold your underwater hardware on because you'd never want a rideplate to fall off!!!!

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  6. #4
    Senior Member hotbo's Avatar
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    Cool losing a rideplate

    this past summer i lost my rideplate,lol!!!boy was that fun.felt something different and even heard a noise.thought i had hit a stump or sunken log

    i hauled ass to the nearest shore b/c i thought i had ripped my bottom or side out,found nothing.so went for another beer and started having fun again.

    well it gets better i always used my rideplate to help get my fat ass back in the boat.went for it and hello there was nothing,lol!!!

    started feeling around it had gotten ripped off,lose bolts i suppose

    i thought well i hope it makes it back to the ramp(5 miles up river)it would slip the pump on take off,but after that all was well.i thought the boat felt freeier and done fine.take that back on shut down it was way scary.didnt realize it till i went wot for a short bit and hello the fun began

    point is like Greg stated they are good to have.Travis

  7. #5
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    Thanks for the reply's. Looks like there might be a little "tune" in there with different lengths. SJ

  8. #6
    Boat Nut sleekcrafter's Avatar
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    All good info ^ if running a low hanging droop, you may need a longer ride plate, just to keep the nozzle from dragging on the holeshot.
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


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