My New Pride & Joy Options

[Bees Knees]

No thanks to the BOOBY MAN hu likes to get up in the middle of a DARK DUCK NIGHT

It was 9:30am you retiree!!

[quintrex101]

Gonna test it with and without the wing today, also gonna clean the trailer, i'll get some footage

[quintrex101]

Alright i pissed the Permatrim off, with it on i got top speed 35km/h and it was revving at 5600 which i thought was on the heavy side, another run on the weekend with it off will tell me weather it's staying.

The steering felt really heavy, even after trimming the motor, is that because of the Permatrim ?

[poly]

arrrrrrrr why would you want to get rid of the HSD7 sounder, after all they are one of the better units on the market ????????????????????????????????????????????????????????????????????

Paul

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[Fed]

Alright i pissed the Permatrim off, with it on i got top speed 35km/h and it was revving at 5600 which i thought was on the heavy side, another run on the weekend with it off will tell me weather it's staying.

The steering felt really heavy, even after trimming the motor, is that because of the Permatrim ?

That's not very good Dan, it should go way better than that, I'm thinking +50 KPH.
You're all over the net so ask around for people with the same setup or very similar.
What is the WOT RPM supposed to be?
Where is your vent plate in relation to the bottom of the hull when parallel to it?
What size prop is on it now?
Did you look over the back while running fast to see if the vent plate was on top of the water?
I find my own steering a bit heavy at speed and I think it's because my motor it a little low but I can't say for sure yet. I'll raise mine if you raise yours & get a good result.

[Fed]

why would you want to get rid of the HSD7 sounder

He said he wants to buy one Poly.

[Jumpus GooDarus]

Alright i pissed the Permatrim off, with it on i got top speed 35km/h and it was revving at 5600

Doubt that very much, gather ewe took reading from either a vacum speedo or those stupid paddle wheels mounted on tranny via sounder
35km/h roughly translates to 20 knots p/h

and it was revving at 5600 which i thought was on the heavy side,

Personally think permatrims are rubbish & a gimmick if they did work then outboard manufacturer's would build them into the outboards back in the factorys.
5600 rpm is not right motor should be reving out to 5900 rpm & that last 300 rpm is where ewe get your speed from.
Wun of 3 things could be the reason for loss of revs

* Permatrim
* Wrong prop
* Motor needs to come up a bolt hole on transom

The steering felt really heavy, even after trimming the motor, is that because of the Permatrim ?

Doubt that, rather you're got cable steer, check how tight the bends are on the cable

[Fed]

I think the permatrim would cause the steering to be a bit heavy Jumpy, see the downturned sides on it?
A bit different to the normal hydrofoils that people use.
Check if it's easy to turn when out of the water Dan, if it is then there's nothing wrong with the cable.

[quintrex101]

There is nothing wrong with the cable at all out of the water.

Yeah jumpy the reading was from a taco, but i still think it's abit slow. I've got a video of it so i will show you that.

The motor seemd abit low in the water, but not to bad, the Permatrim was just abit underwater.

How can you find out the prop size ?

[poly]

Dan the cav plate should be level with the bottom of the boat, have a look at the photo that should be your starting point

Paul

Attached File(s)

 bucket07032009_01_01.JPG ( 2.45MB ) Number of downloads: 15

 

[Jumpus GooDarus]

How can you find out the prop size ?

Tis stamped on the prop inner side of cone [area where nut is]

Being Yamaha it'll either 16R or 18R

[Fed]

Borrow a GPS to check the speed Dan.

[quintrex101]

Will do mate.

Thanks Pol, she looks right to mate, i'll get a photo anyway.

Jumpy, will check the prop size when i get abit of sunlight tomorrow.

Thanks for all the replys.

This post has been edited by quintrex101: Dec 11 2010, 02:11 AM