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-   -   How much HP needed to get 38' to 100 mph? (https://www.offshoreonly.com/forums/cigarette/199798-how-much-hp-needed-get-38-100-mph.html)

Rik 12-09-2008 05:46 PM

The "yellowboat" that now has the Arnesons has more speed potential with the current power, I found out they blew an engine during the sea trail, so a rebuild and try again is in order.

I don't know how reliable the 920 hp figure is/was or the current 720-730 figure for that matter. A different set of propellers is needed as the sea trial was just a seal trial and any prop would do. I at least have a better idea as to what propellers they will actually need "at this power level" to get the boat to go faster.

nate 12-09-2008 07:50 PM


Originally Posted by blume (Post 2756143)
here's some more!!!!!!!!!!!!!!!!!

anyone know how fast that 38 is with cobra 1150s and dry sumps?

nate 12-09-2008 08:06 PM

sorry not tryin to hack ur thread, but how bout the new 38 with cobra power? its post #1452
http://www.offshoreonly.com/forums/c...see-em-73.html

blume 12-09-2008 08:17 PM

2 Attachment(s)

Originally Posted by nate (Post 2756257)
anyone know how fast that 38 is with cobra 1150s and dry sumps?

It will run over 120+mph easy, pretty smooth up to 117 to 118mph after that it's a hand full!!!!!!!!!!!! here's pictures of that other boat.

HUSTLEthis 12-09-2008 08:26 PM


Originally Posted by BLee (Post 2755849)
Yeah, I wasn't meaning top speed as much as overall handling at top speed.

It's in a few of those SCOPE videos and runs with a great attitude and flys perfect at speed. I don't know what they did different in the setup from the other two #6 TS guns, but it's the right one.

If he dry sumped it he might gain a little, but I doubt it'd be enough to be worth it on that type of boat.

I'm still amazed it took so long to sell that boat when it was new! :eek:

Thanks BLee,
and true, we can run 108-110 any day with half tanks of gas... I'll try to make a video of it this weekend....
we run Torco RTF in our drives, so I don't think we lose that much to the half dry-sump 6's.... now if we had Vern do a complete dry-sump Weismann style drive...it would make more of a difference. Yes, we also have the Hering skegs already done.... I think if we need to go faster it would be cheaper to just change the pulleys.... I finally got a copy of the '07 Rum Run race (which I must say we got some good coverage).
Tried to PM you, but it didn't work...let me know if you want a copy.

blume 12-09-2008 09:16 PM


Originally Posted by nate (Post 2756270)
sorry not tryin to hack ur thread, but how bout the new 38 with cobra power? its post #1452
http://www.offshoreonly.com/forums/c...see-em-73.html

Nate, the red boat, I think it has 1000hp Cobras and the yellow boat has 1200hp Cobras. The red boat is really good looking boat.

BLee 12-10-2008 08:42 AM


Originally Posted by HUSTLEthis (Post 2756292)
Thanks BLee,
and true, we can run 108-110 any day with half tanks of gas... I'll try to make a video of it this weekend....
we run Torco RTF in our drives, so I don't think we lose that much to the half dry-sump 6's.... now if we had Vern do a complete dry-sump Weismann style drive...it would make more of a difference. Yes, we also have the Hering skegs already done.... I think if we need to go faster it would be cheaper to just change the pulleys.... I finally got a copy of the '07 Rum Run race (which I must say we got some good coverage).
Tried to PM you, but it didn't work...let me know if you want a copy.


Sorry Tom!

I have my PM's disabled to weed out the "why doesn't my password work" bombings.....:party-smiley-004:

I'd LOVE a video of your boat! It's always been a favorite of mine since the first time I saw it. I'll send you my email through PM, and you can send me ANYTHING you want involving that boat. :drink:

nate 12-11-2008 10:07 AM


Originally Posted by blume (Post 2756338)
Nate, the red boat, I think it has 1000hp Cobras and the yellow boat has 1200hp Cobras. The red boat is really good looking boat.

Thanks a lot for the info, i cant believe 120+ in a TG. And i hafta agree with you about the red boat, one of the nicest TG, up there with hot for teacher

wananewboat 12-12-2008 06:42 AM

What about the purple boat with the #6s? That has to be right up there in speed. Sorry I can't find any pics.

sean stinson 12-25-2008 03:46 PM


Originally Posted by Rik (Post 2753634)
Thought I'd ask this question as I have no idea.

2003' 38' Top Gun with Bravos. How much hp is typically required to get the boat to 100 mph?

Customer has one with pro charged engines claiming ~900 hp and does right at 100 mph. Can this be right?


Hey Rik

What up buddy. I did a 38 2001 Top Gun nonstep with 900 Zuls #6 that ran 102-104 on its best day. 2000 TS F2 Dick Simon Boat ran 90-91 0n its best day so yes it is possible to run 100 with 900hp on bravos

Rik 12-29-2008 11:30 AM


Originally Posted by sean stinson (Post 2765366)
Hey Rik

What up buddy. I did a 38 2001 Top Gun nonstep with 900 Zuls #6 that ran 102-104 on its best day. 2000 TS F2 Dick Simon Boat ran 90-91 0n its best day so yes it is possible to run 100 with 900hp on bravos

Thanks dude. It seems they are very random with their speeds and power.

Was speaking with someone and they claimed the old Team V 38' will run 100 with 600 hp? The boat has no cabin and such but that would be fast.

Schweeng 12-29-2008 12:59 PM

'03 TS Gun "Out of Control" is back in Miami. Phil is tweaking it and he believes the boat will run more than the 105mph posted in Powerboat Mag....
105mph - 750 Zul's with Bravo's....:evilb:

Rik 12-29-2008 08:15 PM

Does that boat have a cabin?

Schweeng 12-29-2008 10:49 PM

half cabin - facing benches, ice chest, storage closet - I forget the term Cig has for it.

Schweeng 12-29-2008 10:52 PM

http://www.scopeinfo.com/images/2005...-SCOPE-387.jpg

thisistank 12-29-2008 11:28 PM


Originally Posted by Schweeng (Post 2767239)
half cabin - facing benches, ice chest, storage closet - I forget the term Cig has for it.

cover girl

Jeff P31 01-01-2009 03:52 PM

Got to think 920 hp was auto trader hp not dyno hp. I have a pair of 500hp motors with pro chargers that dynoed at 745hp ,so I would think that number is a lot closer to what your working with . Good luck ! :ernaehrung004:

MikeyFIN 01-01-2009 04:38 PM


Originally Posted by Rik (Post 2753765)
It's a bit cold in Moscow this week, so no more sea trials this year. (they converted the boat in about one week) and only had the insanity to run it in winter once. The boat runs the same speed with lower hp than before so this is a positive note for the first sea trial.

Cold water is also more dense and therefore makes the boat go faster because of better buoyancy.
And If its the Moscow River we are talking about well itīs fresh water so during summertime it makes boats go a lot slower than in saltwater.

terryandalexa 01-10-2009 11:16 PM

.


Hey Chris, Incredible Pic, one of those near glass days to the island ! Hope things are great with you guys...

Rik 02-09-2009 07:12 PM

2 Attachment(s)
Motors detuned to 680 (gotta make them live) and time for a sea trial

c_deezy 02-09-2009 08:03 PM

:eek: Jeez at first glance I thought that second pic was an overhead shot of the boat sitting on a rack on the pavement or something. Its sitting in the water in ice!!!!

Rik 02-09-2009 08:23 PM

1 Attachment(s)

Originally Posted by c_deezy (Post 2796677)
:eek: Jeez at first glance I thought that second pic was an overhead shot of the boat sitting on a rack on the pavement or something. Its sitting in the water in ice!!!!

Yea, there not fair weather sailors.

Cigaretteman 02-11-2009 02:00 PM

So we need numbers how fast and how did it run?

Rik 02-11-2009 08:36 PM

5,100 = 94

Over propped now. Need to drop 3" of pitch and then speeds will rise.

Cigaretteman 02-12-2009 11:53 AM


Originally Posted by Rik (Post 2798464)
5,100 = 94

Over propped now. Need to drop 3" of pitch and then speeds will rise.

Keep us posted on that.

DirtyMoney 07-06-2009 12:44 AM

Any update?


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