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Thread: My Voracity is a prop eater

  1. #1
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    Default My Voracity is a prop eater

    Expensive day at the lake. Too windy for the cats so I brought just the V-bottoms today. Since I had so many batteries to run with, I was trying all of my appropriately sized props on the Voracity to see the difference in speed, motor temps, and if any of them could solve my steering pull issue.

    First up was an ABC 1815 that is my step down option from the 1915 that set my top speed of 62mph. It's a reliable prop and now that I finally fixed my teflon liner that would creep up and bind against the motor collet, I wanted to run it one more time to get a comparison on the electronics temperatures after a run. Everything was indeed cooler and I ran about 1mph faster than yesterday. Had a small nick on the rudder last night, never thought anything of it. Noticed a dull spot on one of the 1815 blades as I was swapping it out at the lake, didn't think anything of that either. fool.

    2017-09-03 10.07.24.jpg

    Next run was on an x450/3 reduced to 47mm. Faster at 58.8mph, but had more lift so the boat was running a touch wetter. Temps were all good, boat still pulled to the right. I brought the boat back in and all three blades were mangles, then the light bulb finally went off. My rudder was hitting the prop on hard left turns. Took out all three blades on the 450/3 and there was a sizeable scar on the rudder.

    2017-09-04 11.22.06.jpg2017-09-04 11.22.11.jpg2017-09-04 11.22.16.jpg2017-09-04 11.33.12.jpg
    Last edited by fweasel; 09-04-2017 at 05:38 PM.
    Vac-U-Tug Jr (13mph)

  2. #2
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    Checked for interference with my tried and true ABC 1915, looked good, sent the boat back out. Ran much drier, just a fews tenths off my best speed at 61.5mph, but suffered a mysterious spin out like most of the other runs.

    2017-09-04 11.48.17.jpg2017-09-04 11.48.28.jpg

    One blade was damaged, again. Mind you, by this time of the day, I'm now down 4 Dasboata props and not having much fun anymore. It seems the new break away rudder design that I installed over the winter, swings in a larger arc than the original rudder design that I ran all last summer. I hadn't run any of these larger props this year as this boat hasn't seen much lake time yet. They all were fine last year, difference being the rudder change. The mount is also continually loosening on the transom. The lock nuts inside the hull might be sinking into the stiffening plate, which is made of Nylon I think. Regardless, the boat is being drydocked until I can sort out a new rudder solution, likely aftermarket. It's ironic, I installed this rudder over the winter because of the shear pin to prevent damage to my transom. First time out early in the spring, I slipped on the rocks and dropped the boat. Chipped the paint all to hell and the fall hit the rudder arm and cracked the transom anyway. So the part I installed to prevent damage has been wrecking havoc ever since. I predict a firery death once replaced.

    I would recommend against swapping over to the new Proboat rudder if you have an original on an older hull. If you want the security of a breakaway design, look elsewhere.
    Last edited by fweasel; 09-04-2017 at 04:48 PM.
    Vac-U-Tug Jr (13mph)

  3. #3
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    Thanks to Joshua (shua), who just PM'd me pictures of the Kintec rudder he had successfully ran on his Voracity. It's unfortunate I can't just go and order the part from Jan, but I do have a full spec sheet to go hunting with.

    V rudder 3.jpgV rudder 4.jpgV rudder 6.jpg
    Vac-U-Tug Jr (13mph)

  4. #4
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    your having a bad day
    volantex vector pro ,proboat veles 29 , traxxas spartan, hobbyking/tfl pursuit ,ft009 with rescue rigging

  5. #5
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    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

  6. #6
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    Quote Originally Posted by TRUCKPULL View Post
    Yep, ordered it and it was delivered The other day. Hope to have it installed before the weekend.
    Vac-U-Tug Jr (13mph)

  7. #7
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    Should have text me. Lol. I have lots of spare parts. I have one of these rudders on my voracity and my m certain I have a spare.


    Put a shorter servo arm on the servo or move the linkage in a little closer to the rudder. That will shorten the throw.
    32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

  8. #8
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    Quote Originally Posted by fweasel View Post
    Yep, ordered it and it was delivered The other day. Hope to have it installed before the weekend.
    Will this rudder fit the stock (revised hull) model without having to drill new holes? It looks sweet!
    [Pro-Boat Voracity 36-E] [Volantex Angry Shark 798-2]
    [Feilun FT-011] [UDI Tempo 002]

  9. #9
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    No. The new rudder has 4 mounting bolts and they don't line up with the 2 existing holes. 8n theory, you could get away with only drilling 3 new hols, but trying to reuse one original hole is a compromise on location and doesn't really save any work. I've sealed up the original 2 holes with JB Weld and will drill the new holes next.

    The new rudder has a pivot point more similar to the original rudder design so the swing arc of the rudder blade will be less than the revised proboat rudder.

  10. #10
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    Got a box full of props today that look much better then when I saw them last. Thanks Chris!

    2017-09-22 14.06.21.jpg
    Vac-U-Tug Jr (13mph)

  11. #11
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    Quote Originally Posted by fweasel View Post
    Got a box full of props today that look much better then when I saw them last. Thanks Chris!

    2017-09-22 14.06.21.jpg
    Your welcome Ryan !!!!

  12. #12
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    Quote Originally Posted by dasboata View Post
    Your welcome Ryan !!!!
    Speaking of a box of props, did my latest box get delivered to you yet?
    Vac-U-Tug Jr (13mph)

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