User Tag List

Results 1 to 14 of 14
  1. #1
    Join Date
    Apr 2001
    Location
    I live in Prineville Oregon which is in the central part of the state
    Posts
    1,722
    Thanks (Given)
    0
    Thanks (Received)
    6
    Likes (Given)
    0
    Likes (Received)
    45
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Nosecone speedometer pickup question.

    Would this work? On a Bobs nosecone at the very top of the cone, where it is even with the top of a stock lower the metal is only about a quarter of an inch thick. If you drilled straight down into the cavity where the water is picked up and installed a small tube outlet would that water pressure be overpowering for a speedometer. I am thinking this would work. Any ideas would be appreciated.

    Many thanks, Carter Powell

  2. #2
    Join Date
    Jan 2003
    Location
    aalsmeer
    Posts
    1,401
    Thanks (Given)
    0
    Thanks (Received)
    153
    Likes (Given)
    11
    Likes (Received)
    229
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    More trubble than it is worth
    a Gps speedo is not expensive
    Click image for larger version. 

Name:	Screenshot_20230603-084019_Chrome.jpg 
Views:	16 
Size:	382.6 KB 
ID:	519552

  3. Likes LakeFever, David - WI, NICE PAIR liked this post
  4. #3
    Join Date
    Nov 2021
    Location
    N. Idaho
    Posts
    758
    Thanks (Given)
    34
    Thanks (Received)
    91
    Likes (Given)
    1187
    Likes (Received)
    317
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I bet it would work. You could calibrate with restrictors.
    Good idea!

  5. #4
    Join Date
    Mar 2023
    Location
    SW Florida
    Posts
    454
    Thanks (Given)
    3
    Thanks (Received)
    28
    Likes (Given)
    1
    Likes (Received)
    72
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    A lot of lowers have pickup installed there. It is a big improvement over gps cuz it is around 10 mph faster. Which translates to 100 more hp. And no extra fuel!!

  6. Likes LakeFever, NICE PAIR liked this post
  7. #5
    Join Date
    Jul 2006
    Location
    Wisconsin
    Posts
    4,898
    Thanks (Given)
    871
    Thanks (Received)
    629
    Likes (Given)
    8189
    Likes (Received)
    5466
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    I don't think that would work... the
    cooling system pressure is limited by the poppet valve? Speedo needs it's own inlet.
    Let's make America great again!

  8. #6
    Join Date
    Nov 2021
    Location
    N. Idaho
    Posts
    758
    Thanks (Given)
    34
    Thanks (Received)
    91
    Likes (Given)
    1187
    Likes (Received)
    317
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Pre water pump from the poppet.
    Maybe you just end up with a extra 4" water pressure gauge, kinda?

  9. #7
    Join Date
    Jul 2006
    Location
    Wisconsin
    Posts
    4,898
    Thanks (Given)
    871
    Thanks (Received)
    629
    Likes (Given)
    8189
    Likes (Received)
    5466
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    But the impeller just folds in at speed... I'm told.
    Let's make America great again!

  10. #8
    Join Date
    Apr 2001
    Location
    I live in Prineville Oregon which is in the central part of the state
    Posts
    1,722
    Thanks (Given)
    0
    Thanks (Received)
    6
    Likes (Given)
    0
    Likes (Received)
    45
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I have GPS in my other boat but I was just wondering if this would work. I have another boat that I am redoing and it already has a non GPS speedo in it. I was told that the pressure is the same whether it is a small hole or a larger one. Just an idea.

    thanks, Carter

  11. #9
    Join Date
    Nov 2021
    Location
    N. Idaho
    Posts
    758
    Thanks (Given)
    34
    Thanks (Received)
    91
    Likes (Given)
    1187
    Likes (Received)
    317
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Your probably right about restrictors not working, as there is no flow out of sender tube.
    I think you ought to try it, and let me know.
    I have a couple boats, could use this.

    I build flush mount water pickups into the bottom of my model boats with ks brass tube, if your willing to drill a hole in the bottom of your boat, I'll tell you all about it.
    Last edited by OnPad; 06-04-2023 at 10:18 PM.

  12. #10
    Join Date
    Nov 2019
    Location
    Canada
    Posts
    870
    Thanks (Given)
    58
    Thanks (Received)
    128
    Likes (Given)
    311
    Likes (Received)
    469
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Is there a reason you want to go to these lengths to retain a speedo that's not accurate? Can't you get a replacement speedo in GPS?


    www.InjectorService.com
    Call/Text - 204-326-0390



  13. #11
    Join Date
    Nov 2021
    Location
    N. Idaho
    Posts
    758
    Thanks (Given)
    34
    Thanks (Received)
    91
    Likes (Given)
    1187
    Likes (Received)
    317
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    This would be my reason. Retaining a vintage matching dash, with stuff already owned.
    Click image for larger version. 

Name:	20230604_202943.jpg 
Views:	5 
Size:	405.0 KB 
ID:	519698Click image for larger version. 

Name:	20230604_202900.jpg 
Views:	2 
Size:	398.0 KB 
ID:	519699

    The one boat that I have a working mechanical gauge on is pretty accurate... If you can believe that.

    All that being said, I use my phone or sonar unit for gps speed.

  14. #12
    Join Date
    Jul 2006
    Location
    Wisconsin
    Posts
    4,898
    Thanks (Given)
    871
    Thanks (Received)
    629
    Likes (Given)
    8189
    Likes (Received)
    5466
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    I have a transom mounted speedo pickup... just a p.o.s. plastic one that flips up if you run over something.

    They're like $5 and work with any pitot-type speedo, so why fool around making something in the lower unit?

    https://www.greatlakesskipper.com/fa...-pickup-sender

    Click image for larger version. 

Name:	b1f243ed683fb5af7994b9f16b53326a_1.jpg 
Views:	25 
Size:	48.3 KB 
ID:	519710
    Last edited by David - WI; 06-05-2023 at 09:51 AM.
    Let's make America great again!

  15. #13
    Join Date
    Nov 2021
    Location
    N. Idaho
    Posts
    758
    Thanks (Given)
    34
    Thanks (Received)
    91
    Likes (Given)
    1187
    Likes (Received)
    317
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Click image for larger version. 

Name:	20230604_214728.jpg 
Views:	8 
Size:	399.7 KB 
ID:	519700Click image for larger version. 

Name:	20230604_214331.jpg 
Views:	7 
Size:	409.0 KB 
ID:	519701Click image for larger version. 

Name:	20230604_214011.jpg 
Views:	6 
Size:	424.8 KB 
ID:	519702

  16. #14
    Join Date
    Apr 2001
    Location
    I live in Prineville Oregon which is in the central part of the state
    Posts
    1,722
    Thanks (Given)
    0
    Thanks (Received)
    6
    Likes (Given)
    0
    Likes (Received)
    45
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    The reason I wanted to try this is because of all the original gauges. The gauges are autometer and the speedo is already there. I know that GPS is the way to go but I was just wondering if somebody thought this method might work, that's all.

    Thanks, Carter Powell

Similar Threads

  1. WTB medallion speedometer pickup
    By bill mason in forum Misc. Parts and Accessories
    Replies: 7
    Last Post: 07-27-2018, 10:53 AM
  2. Aftermarket low water pickup nosecone help
    By Mr Walker in forum Technical Discussion
    Replies: 7
    Last Post: 06-30-2006, 09:03 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •