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Old April 20th, 2017, 12:40 PM   #21
Mihlfeldl2005
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I never said it wasn't susceptible to rot or delanination, but you're still talked GM about chopper gun production boats.

Which this could be, I can't quite make out the name on the side or recall exactly which hill that is as it's a popular mid 80's/90's hull designed manufactured by quite a few different companies.
Think it says Mirror... But I can't quite make it out either.

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Old April 20th, 2017, 12:40 PM   #22
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Looks like "shadow"???
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Old April 20th, 2017, 12:47 PM   #23
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I never said it wasn't susceptible to rot or delanination, but you're still talked GM about chopper gun production boats.

Which this could be, I can't quite make out the name on the side or recall exactly which hill that is as it's a popular mid 80's/90's hull designed manufactured by quite a few different companies.
scratch that, looks like a Shadow, which is another iteration of a Laser LTV or Charger STV, which are all primarily copies of a Summerford Tunnel Vee, the same company that brought you river rockets, mod vp's, and Euroski's and the Triad V-21 when purchased by wally.

I believe most of the molds for the STV boats now sit in the hands of the folks that build the Quartershot T3 and T4, jack something or other. At least last i knew.

Anyway, each company had different builds and lay-up schedules so the weight on the boat could vary drastically by how the customer ordered the boat, and how much water it has soaked into the core over the years if not cared for, or built carelessly.

Should be a good 80-90 MPH boat depending on all of those factors and what exactly is hiding under the cowl (could be anything from 2.4 Bridgeport to a plain jane 2.5 200HP fishing motor to 2.5 280HP)

Anyway, I see absolutely no reason why adding a second axle should harm the boat at all. Especially if it remains in good condition, if it doesn't, I wouldn't want to be riding in it as it delaminates
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Old April 20th, 2017, 12:48 PM   #24
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Looks like "shadow"???
correct, I can see that now that I am on a computer and not my phone
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Old April 20th, 2017, 12:50 PM   #25
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That style hull was built for the parker endurance races. Those boats took some abuse.
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Old April 20th, 2017, 02:04 PM   #26
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For cost comparison sake, What're the specifications on the boat? I can look into what a tandem axle trailer would cost so you can weigh the difference between adding an axle or just getting a new trailer.

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The boat is a 20' V tunnel. It doesn't have very deep tunnels like a Hydro stream has so their trailers would have to be modified four this to fit, I'm not against it but it has been hard to find a tandem axle trailer for a HS.
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I'd be surprised if that boat weighed more than 2k with motor
The boat dry weighs 925lbs plus 300 lb motor. Total with everything and me in it it's about 1500-1600lbs.
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Old April 20th, 2017, 02:08 PM   #27
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I'll see if I have a manufacturer that has something to fit it.

I'm no trailer designer but i think you'd have to rework the entire trailer to add a second axle. Not sure if It'd be just as easy as slapping another one in front of it or behind it. @kickstand got any ideas?

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Old April 20th, 2017, 02:16 PM   #28
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scratch that, looks like a Shadow, which is another iteration of a Laser LTV or Charger STV, which are all primarily copies of a Summerford Tunnel Vee, the same company that brought you river rockets, mod vp's, and Euroski's and the Triad V-21 when purchased by wally.

I believe most of the molds for the STV boats now sit in the hands of the folks that build the Quartershot T3 and T4, jack something or other. At least last i knew.

Anyway, each company had different builds and lay-up schedules so the weight on the boat could vary drastically by how the customer ordered the boat, and how much water it has soaked into the core over the years if not cared for, or built carelessly.

Should be a good 80-90 MPH boat depending on all of those factors and what exactly is hiding under the cowl (could be anything from 2.4 Bridgeport to a plain jane 2.5 200HP fishing motor to 2.5 280HP)

Anyway, I see absolutely no reason why adding a second axle should harm the boat at all. Especially if it remains in good condition, if it doesn't, I wouldn't want to be riding in it as it delaminates
Correct it is a Shadow 20vt, Only 20 made with the ski top from 86-91' so finding an original tandem axle trailer is near impossible. Its got a Merc ProMax 225. I haven't had it out on the water yet since I just bought it but with a 200 guys have hit mid-high 80's. The boat only has 185 original hours and always dried and stored indoors, under the floor it all looks really clean and dry, like it was just laid yesterday!


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Old April 20th, 2017, 02:23 PM   #29
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Nice boat Alexdummy.




Is that supported by just the two bunks up in the tunnels? or does it also have bunks under the center V?

If it was mine and I really wanted a second axle I'd pick up a set of leaves, a second axle, new fenders and slide the current axle back a few inches and add the new one in front and call it good.

Otherwise, find any dual axle trailer, there are a lot of manufacturers that will build you a custom boat trailer to your likings. It's been a while since i have shopped them, but I had an aluminum trailer with dual axle for my last boat and it towed real nice.

With a 225 promax and that light of a hull you should move out pretty good, don't know what your experience with driving light fast outboards is, but take your time and learn the boat, getting flighty in a little boat like that can lead to an unconcsious swimming lesson real fast.

Wear a life jacket, buy a lifeline jacket if you have the cash (it's about 2 weekends worth of fuel and worh the $$)

Enjoy, if you have any interest in a 26 pitch 4 blade trophy with removeable hub let me know, I've got one in 9.5/10 condition I have no current use for.
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Old April 20th, 2017, 02:33 PM   #30
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Originally Posted by Mihlfeldl2005 View Post
I'll see if I have a manufacturer that has something to fit it.

I'm no trailer designer but i think you'd have to rework the entire trailer to add a second axle. Not sure if It'd be just as easy as slapping another one in front of it or behind it. @kickstand got any ideas?

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idea #1, aluminum trailer, they bolt the bunks on so you could bolt the bunks where ever you wanted.
#2, previous post, steel trailer with bunks already in place for boat, just add the axle.
#3, do not for any circumstance ever consider a roller trailer, THAT will ruin that boat like mihfeldl2005 suggested in his earlier posts by putting pressure points/dents into a boat that "needs" a nice straight running surface to get the performance it is designed for.
#4, order a custom trailer, should be able to find place that will do it.
#5 Call http://www.fullthrottlepowerboats.com/index.htm and see who they use for trailers.

#6, try to figure out if Charger boats in Canada is still around and see what they have for a dual axle trailer. I don't know that they are still making boats however.
#7 www.screamandfly.com set up tips and potential trailers
#8 John Speith in Canada, good luck actually getting a hold of him, but he is supposed to be "the man" in regards to repairing and fiberglassing old hydrostreams and STV's and other hi-po boats.
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Old April 20th, 2017, 04:48 PM   #31
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Default Adding axle to single axle trailer

Nice boat! And definitely take Kickstand's advice to heart. Years ago my uncle had a cougar with a 300 merc'. While running 80+ he hit a wave and caught a bunch of air, when the boat came down his rear passenger was 100 yds behind the boat. Without the lifeline life vest he made everyone wear in the boat his buddy might not be alive today.


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Old April 20th, 2017, 06:46 PM   #32
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What are your "multiple reasons" for wanting/ needing multiple axles?
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Old April 20th, 2017, 07:45 PM   #33
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Better towing, easier on the boat, less bouncing/airborne, easier to back up ( not that I'm bad), and I love the look of a dual axle trailer.
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Old April 20th, 2017, 07:53 PM   #34
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Quote:
Originally Posted by kickstand View Post
idea #1, aluminum trailer, they bolt the bunks on so you could bolt the bunks where ever you wanted.
#2, previous post, steel trailer with bunks already in place for boat, just add the axle.
#3, do not for any circumstance ever consider a roller trailer, THAT will ruin that boat like mihfeldl2005 suggested in his earlier posts by putting pressure points/dents into a boat that "needs" a nice straight running surface to get the performance it is designed for.
#4, order a custom trailer, should be able to find place that will do it.
#5 Call http://www.fullthrottlepowerboats.com/index.htm and see who they use for trailers.

#6, try to figure out if Charger boats in Canada is still around and see what they have for a dual axle trailer. I don't know that they are still making boats however.
#7 www.screamandfly.com set up tips and potential trailers
#8 John Speith in Canada, good luck actually getting a hold of him, but he is supposed to be "the man" in regards to repairing and fiberglassing old hydrostreams and STV's and other hi-po boats.
My first boat had a roller trailer and it folded over the V in the bottom, I will never buy one of those again.
The trailer has four bunks, the two tunnels and two on either side of the V.
I would like to go to an aluminum but it's not in the budget at the moment. I can find a cheap axle online for $150 + insane shipping. I haven't called anywhere local to see how much an axle is but a new trailer is roughly $1500-$2500 I'd guess and I could add an axle to mine for under $500. I might just do that since it's getting to the point where original trailer means something. The idea still won't get put into place yet, I'm still in the planning and dreaming stage but I appreciate all your advice and along with everyone else's.
I've been on screamandfly for quite awhile and haven't seen any trailers pop up in a long time and craigslist is a joke now a days. Fb is ok but you rarely see them.
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Nice boat! And definitely take Kickstand's advice to heart. Years ago my uncle had a cougar with a 300 merc'. While running 80+ he hit a wave and caught a bunch of air, when the boat came down his rear passenger was 100 yds behind the boat. Without the lifeline life vest he made everyone wear in the boat his buddy might not be alive today.


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I probably will end up getting one as I do plan to do a few races with it, nothing insane but a few here and there.
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Old April 20th, 2017, 08:22 PM   #35
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Better towing, easier on the boat, less bouncing/airborne, easier to back up ( not that I'm bad), and I love the look of a dual axle trailer.

Better towing could be obtained through control aids on your truck.
Weight distribution, sway control, hitch height, etc

The trailer was designed for the boat. You can add isolatiors(padding) and strap down the boat to better protect it.

Adding more un sprung weight is not going to help with bouncing you should adjust your current spring rate in addition to adding traction aids to keep the wheels on the ground.

A single axle trailer is easier to back up then a double.

The only plus I see is looks. But if you do not add it in a professional manner the second axle will look out of place and it will be noticeable.







In the short term your issues can be fixed by simply dropping your speed. Especially in windy conditions or on rough roads.

Drive 60 on the highway(your suppose to anyway) with at least 1/2 mile out in front of you of good visibility. That will give you plenty of time to get around chuck holes or road kill.

For the most part you can get behind a semi then drop back that 1/2 mile and ghost them. You will get people coming in and out between you and the truck a bit. But they will shoot around the semi after a few seconds.

On the back roads go up to 60 if it is clear. But if you cant see that 1/2 mile drop your speed to 50. Just avoid holding people up by courteously swinging into a dead intersection from time to time letting them go around.


Do the above and the boat and your bearings/tires will be better off. The thing will bounce around less and there will be less wear on everything.

The only trade off is time and the math is simple. Less wear on you and the truck/trailer is better. You will be more relaxed when you arrive and will not loose that time messing with a blow out or talking to a police officer.
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Old April 20th, 2017, 08:37 PM   #36
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[QUOTE=alexdummy;

I probably will end up getting one as I do plan to do a few races with it, nothing insane but a few here and there.[/QUOTE]



That sounds like fun! Growing up we had a 19' hydrostream vegas that ran low 80's. It was very similar to your hull, it would get pretty squirrelly at speed on busy days if you weren't paying attention to the water way ahead of you. It would really take a good set in 4-5" of chop, that's where that boat was happiest.
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Old April 21st, 2017, 07:48 AM   #37
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Originally Posted by cerial View Post
Better towing could be obtained through control aids on your truck.
Weight distribution, sway control, hitch height, etc

The trailer was designed for the boat. You can add isolatiors(padding) and strap down the boat to better protect it.

Adding more un sprung weight is not going to help with bouncing you should adjust your current spring rate in addition to adding traction aids to keep the wheels on the ground.

A single axle trailer is easier to back up then a double.

The only plus I see is looks. But if you do not add it in a professional manner the second axle will look out of place and it will be noticeable.







In the short term your issues can be fixed by simply dropping your speed. Especially in windy conditions or on rough roads.

Drive 60 on the highway(your suppose to anyway) with at least 1/2 mile out in front of you of good visibility. That will give you plenty of time to get around chuck holes or road kill.

For the most part you can get behind a semi then drop back that 1/2 mile and ghost them. You will get people coming in and out between you and the truck a bit. But they will shoot around the semi after a few seconds.

On the back roads go up to 60 if it is clear. But if you cant see that 1/2 mile drop your speed to 50. Just avoid holding people up by courteously swinging into a dead intersection from time to time letting them go around.


Do the above and the boat and your bearings/tires will be better off. The thing will bounce around less and there will be less wear on everything.

The only trade off is time and the math is simple. Less wear on you and the truck/trailer is better. You will be more relaxed when you arrive and will not loose that time messing with a blow out or talking to a police officer.
blada yada blada blah blah bullshit, any dual axle trailer I have towed has bounced less and towed nicer than any single.

A single axle trailer is a LOT easier to move around by hand though, even with a boat that light on it a dual axle is going to require a truck to move it every time. Where as in it's current state you can likely move it around a bit by hand if needed.
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Old April 21st, 2017, 08:09 AM   #38
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So basically, the OP likes the look of a dual axle trailer; and the minor increases to handling and what not are really just secondary reasons to rationalize the 2nd axle

and add another axle, but change the spring rate.
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Old April 21st, 2017, 08:14 AM   #39
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So basically, the OP likes the look of a dual axle trailer; and the minor increases to handling and what not are really just secondary reasons to rationalize the 2nd axle

and add another axle, but change the spring rate.
All about looks. Gotta look like a G and think about practicality later.
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Old April 21st, 2017, 08:18 AM   #40
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That sounds like fun! Growing up we had a 19' hydrostream vegas that ran low 80's. It was very similar to your hull, it would get pretty squirrelly at speed on busy days if you weren't paying attention to the water way ahead of you. It would really take a good set in 4-5" of chop, that's where that boat was happiest.
I love those Vegas's. I'm taking it out tomorrow for the first time so I hope all goes well. I bought it without a motor and put that ProMax on a couple weeks ago. I've got a 24p chopper i'm going to test first, supposedly the previous owner had a 28p cleaver but I guess we'll see how it runs.
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