C_Spray

iTrader: (2)

Whap! - Bullseye!

Here's another one: Skegless surface drives that can be toed out (or in depending on prop rotation) to get the overall thrust vector from the props in line with the direction of travel. (Requires a hydraulic tie bar. Don't laugh - there are people who have been working on this one.....

shifter

The only one I ever saw that could use a hydraulic tie bar is Steve Curtis. If it is not active it will be scary. When you lift one out it will only have one direction to go. When you figure out which direction, run. It should set off a good ossilation.
pat W
At least people are trying.

cobra marty

I re-read my 3-12-02 post.

Today in the new Fam and Perf boating mag Sept '02 issue, page 12:

IMCO built a test unit- one engine and two drives. Way Cool!

I wish I could scan it and post the picture and article. Can anyone help?
Anyone else have some inside info about this setup?

vonwolske

The drag boat guys have been using one engine and two drives for about three years now. Jim Faulkerson from Las Vegas was the first. Several others are doing it also. I think it is the wave of the future for boats with more power than they can handle. Problably not the case for most of the boats we are discussing for poker runs, etc.
Keep posting cobra marty, I enjoy your posts.
How is the torque dingus coming?

Steve 1

Someone say hydraulic tie bars LoL that’s all we had in the early Arneson days on the Cats the first one was a hand pump from a Porta Power and that got exciting, next step was Solenoid valves and a electric trim pump, using long 6” stroke Italian control cables on the steering ram on to a second trim panel tracking the tie bar thru the steering arc. There was a geometry problem with the units any trim required a change in the tie bar.

Air trim able surfaces a long time ago I had cockpit adjustable canards on my Race boat Neutral with two positions up and two Down fully deployed at @110 MPH maybe 37 kilograms each of influence made a difference . the UIM was a little negative but with the Crap Buzzi pulls they Finally let me run

Madcow

A few years ago merc played around with an outboard with a Y shaped lower unit that had two counter rotating props. Too complicated to work though, and the idea died I heard.

vonwolske

Steve 1; That is the second time in recent weeks someone has commented on the Buzzi capers. So what sort of tricks did he pull? Always stretching the rules no doubt, but maybe you could be more specific.

Steve 1

Ahh where would I begin? Lets firm up the ground rules the First the UIM AKA Buzzi club This while I was there .the guy seemed to have Some influence (the word some was used politely)one of My boats got banned for now get this, Length it was too long (too short I fully understand).Seriously though I have never seen a SeaTec being Tore down like the rest of us ,But really all Mr.”B” would do is say that is a legal engine and here are the new Spec sheets forgive all the whiteout and pen lines!! My beef forget the cheating engines I still beat him, But he builds a heavy slug so to keep everything even we all need to add ballast ,he builds a 10 meter POS so we have to build to 10 meters also .BTW a Friend of mine got killed in one of those horrible riding RIBS.

Best Regards

mjuwalters

The two drives one engine idea sounds good, but what is the cost factor compared to a no. 6 or one of shifter's surface drives? seems the proper drive would simpler and cheaper.

mjuwalters

I remember a few years ago Kieth Eckert had some drawings for a rudder assembly that bolt on outdrives or outboards. Don't know whatever happened to his idea.Looked good