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D.I.Y. Ram's Horn Bucket for Place Diverter

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MPKardell

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« on: January 10, 2015, 03:18:17 PM »
Been working on this off/on for the past couple of weeks.  It's coming along.  Goal is to obtain more reverse thrust out of my Place Diverter, so that my wife has an easier time of putting it on the trailer.  304 stainless steel construction.  Still need to position and attach the actuating arm for the cup control cable.  Might need some lateral reinforcement too.  But it seems about as stiff as the cup that came with the diverter.  Please ignore my welding skills, or lack thereof.

Matt
  • Boat #1: 1991 Dana 22' day cruiser


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GT Jets

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« Reply #1 on: January 10, 2015, 03:26:18 PM »
Been working on this off/on for the past couple of weeks.  It's coming along.  Goal is to obtain more reverse thrust out of my Place Diverter, so that my wife has an easier time of putting it on the trailer.  304 stainless steel construction.  Still need to position and attach the actuating arm for the cup control cable.  Might need some lateral reinforcement too.  But it seems about as stiff as the cup that came with the diverter.  Please ignore my welding skills, or lack thereof.

Matt


Ever driven a jet with a butt bucket?

You are going to hate that thing. Not really a criticism, because I think that thing is awesome. But it will not stay "up" by itself without a lot of help.

I also don't think it's going to back up much better..... I would have punched a large hole in the factory bucket and bolted a "U" onto that....

GT
« Last Edit: January 11, 2015, 02:56:46 PM by GT Jets »
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

76 Bonneville

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« Reply #2 on: January 10, 2015, 06:35:08 PM »
Good luck with that and let us know how it works out.
I have a rams horn on my Rogers. It's terrible compared to a standard reverse nozzle. The only reason we have it, is so we're not dragging the reverse part of the nozzle at speed.

SoCalPSD

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« Reply #3 on: January 10, 2015, 07:19:46 PM »
I think you should of added some down ward angle to those, if the diverter is full down with the horns like that it's just gonna blast up the back of the boat


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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

East County Kona

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« Reply #4 on: January 10, 2015, 07:51:32 PM »
Pretty cool! I see turbo manifolds In your future..


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MPKardell

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« Reply #5 on: January 11, 2015, 02:19:00 PM »

Ever driven a jet with a butt bucket?

You are going to hate that thing. Not really a criticism, because I think that thing is awesome. But it will not stay "up" by itself without a lot of help.

I also don't think it's going to back up much better..... I would have punced a large hole in the factory bucket and bolted a "U" onto that....

GT

GT: I've never driven a jet with a Rams' horn (or similar) bucket.  I have read some good and some bad.  Maybe it depends on the "total package" installation details.  It's grand experiment that may turn out to be a grand failure.  But I have had lots of those (failures).  So, no fear.  I have less than 100 bucks into it.  And I did have some fun cobbling it together.  Thanks for the honest assessment!

Good luck with that and let us know how it works out.
I have a rams horn on my Rogers. It's terrible compared to a standard reverse nozzle. The only reason we have it, is so we're not dragging the reverse part of the nozzle at speed.

We'll know more in a few months when the ice thaws.  I'll post my results - good or bad...



I think you should of added some down ward angle to those, if the diverter is full down with the horns like that it's just gonna blast up the back of the boat


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I was originally going to add some down angle to keep the flow off the transom.  But I decided that I needed to keep the reverse thrust in-line with the cup pivot point so that the thrust won't try push the cup open when it's in the reverse mode and (moderate) throttle is applied.  I think the thing might actually work best if I put the diverter in the full "up" mode for low-speed maneuvering, which will help direct the reverse flow under the boat, instead of at the transom.  We'll see.  Thanks for the thoughts though.  As I mentioned above, it might end up being just another brain fart failure....

Pretty cool! I see turbo manifolds In your future..


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Thanks.  It's amazing the parts that you can buy these days for doing custom fabrications.  The horns started life as a "donut", which was made from two sheets of 0.063" stainless that were press-formed in a die and then laser (or e-beam) welded on the outside perimeter to form a 2.5" dia. tube donut.
  • Boat #1: 1991 Dana 22' day cruiser


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jimpen

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« Reply #6 on: January 11, 2015, 02:37:13 PM »
I also took a stab at a deal more like GT was talking about. But GT is right epic failure did not help at all. Hope yours works better then mine did go with a lockable forward and reverse.


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GT Jets

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« Reply #7 on: January 11, 2015, 03:01:05 PM »
GT: I've never driven a jet with a Rams' horn (or similar) bucket.  I have read some good and some bad.  Maybe it depends on the "total package" installation details.  It's grand experiment that may turn out to be a grand failure.  But I have had lots of those (failures).  So, no fear.  I have less than 100 bucks into it.  And I did have some fun cobbling it together.  Thanks for the honest assessment!



Didn't mean to be that brutally honest...LOL I may have been in a sour mood.

That being said, I don't use reverse... Tell the wife to commit to it no matter how bad the outcome and own it if it goes right or wrong. LMAO

As for getting on the trailer, leave the trailer stupid shallow, hit it with the boat, leave it running in forward while backing the trailer in until you can hook up the bar and pull it out.... Bam!..

Been launching boats by myself since I was about 17 years old.    :thumbup:

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

sm465np205

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« Reply #8 on: May 07, 2019, 12:27:20 PM »
So I know this is very old, but what happened with this reverse bucket? I would like to engineer something similar. I get a lot of pushback in the berk community talking about Rams horns; people suggesting they don't work period. This is completely ridiculous as every other type of pump American turbine, Hamilton, Scott all use large Rams horn buckets that not only have excellent reverse thrust but they can also stop the boat very rapidly. I run very narrow and shallow rivers up in Michigan with two Berkeley jets with diverters and have little to no reverse with either. I'd love to be able to stop the boat if I come around a corner and encounter a kayak, canoe or fishing boat. I'm certain there's a way to do it I just haven't seen it yet

BlackSheep

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« Reply #9 on: May 15, 2019, 06:15:51 PM »
I could be wrong but that looks like the best way possible to lose mph on the top end. I went from a V-drive with no reverse to a pump which seems like heaven, lol...
« Last Edit: May 15, 2019, 09:55:26 PM by BlackSheep »
  • Boat #1: 1976 Rogers


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