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blue thunder 10-05-2004 04:23 PM

Re: Can Not Figure It Out,,Please Help
 
Are you certain the drives are trimming evenly? One higher than the other will have this affect. Also, you may want to take measurements on the toe in/ toe out setting of the two drives.

BT :cool:

tm29 10-05-2004 04:27 PM

Re: Can Not Figure It Out,,Please Help
 
yes checked the trim on them and even played with just one trim at a time while cruising the only way I could get the stb side to match the rpms if it comes close to cavitating(not sure if its called that or not)

tm29 10-05-2004 04:28 PM

Re: Can Not Figure It Out,,Please Help
 
also not sure about the toe in toe out thing at all. not sure how to check or set it

blue thunder 10-05-2004 04:37 PM

Re: Can Not Figure It Out,,Please Help
 
Do you spin the props in or out?

tm29 10-05-2004 04:39 PM

Re: Can Not Figure It Out,,Please Help
 
props spin out

88Fount33 10-05-2004 04:48 PM

Re: Can Not Figure It Out,,Please Help
 

Originally Posted by tm29
also not sure about the toe in toe out thing at all. not sure how to check or set it

This is checked by measuring the distance between the leading edge of the drive (edge closest to the boat) and the distance between the exact center of the prop shafts. Toe in is the leading edge measurement is closer than the measurement of the prop shaft. Normally, you want these to be exact, unless you want to play with it some to see what makes the most speed. For troubleshooting your problem it would be recommended to get them to match. Please note this measurement needs to be done as exactly as possible as small differences make significant differences in performance.

blue thunder 10-05-2004 04:49 PM

Re: Can Not Figure It Out,,Please Help
 
With the drives straight ahead, use a tape measure to get the measurement between the drives at the front of the bullet. Then measure center to center between the ends of the prop shalf centers. For spinning out I would have the prop shaft centers further apart than the front of the bullet by about 1/8". This is at least a good starting point. You adjust the tie bar.

BT :cool:

tm29 10-05-2004 04:58 PM

Re: Can Not Figure It Out,,Please Help
 
just checked the toe in toe out thing and it is dead on the money both are exactly 35 inches

blue thunder 10-05-2004 05:36 PM

Re: Can Not Figure It Out,,Please Help
 
How tight are the drive hinge pins and gimble pin? Any noticable slop up/down left or right? Are there any sea water pickups, transducers, trim tabs or anything else that may be causing turbulation on that side?

tm29 10-05-2004 06:05 PM

Re: Can Not Figure It Out,,Please Help
 
everything is tight I checked all that when the foot was rebuilt. nothing loose or any play.


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