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View Full Version : Prop slip??


macojoe
07-13-2008, 07:12 PM
On take off only the motor seems like its not in gear then all the sudden off I go, lasp time is just 2 sec.

But after this happening a few times I am thinking that the prop is slipping, I can here the motor reeving sometimes.

So is there away to ck the prop with out going to a prop shop??

Can a slipping gear or something in the lower unit be going?

Happens when motor is up or all the way down.

Hmm....Can having the trim tabs all the way down cause this to happen?? I am thinking now that maybe they were down a few of the times??

Thanks guys

randlemanboater
07-13-2008, 07:41 PM
I don't think trim tabs will do it, they just keep the bow from rising on takeoff.

Are you going straight from neutral to taking off, or idling in gear, then taking off?

THEFERMANATOR
07-13-2008, 08:02 PM
Are you going straight from neutral to taking off, or idling in gear, then taking off?

What he said? Take a picture of your prop on the lower for us, you may have a problem with the wrong thrust washer allowing excess exhaust venting.

bigshrimpin
07-13-2008, 08:13 PM
MJ - Try the 19Pitch Revolution 4 I have . . . it's amazing.

macojoe
07-13-2008, 09:29 PM
Always from Neutral to forward, I will get a picture of it tomorrow.
I was not getting this till the last trips thats why I thought prop hub??

BS when you bringing it up?? When you help me with the boat or when you going fishing with me??:zip:

CaptJJ
07-14-2008, 06:00 AM
Mac how long have you been using the prop? If it is new to you then it could be the wrong pitch. However if you have been using it for a while with no problems then it sounds like a hub to me.

I would only question it because of the time it is taking to go.:head: I have spun four of them through my boating years (two on my V20). Usually they go completely after 3-5 take-offs, leaving you with an idle speed.

Try another prop, borrow one for an hour if you need to.
Don't think it would be the trim tabs at all.

Blue_Runner
07-15-2008, 12:29 PM
Having just recently spun a prop, that is what it sounds like to me. It took probably 30 take offs to finally kill mine on the little mckee craft. Have you looked at the hub and are there any signs of wear on the hub?

macojoe
07-16-2008, 10:24 PM
Pic's of the prop

http://www.wellcraftv20.com/gallery/albums/MJ-hide/Picture_004_Medium_003.sized.jpg

http://www.wellcraftv20.com/gallery/albums/MJ-hide/Picture_005_Medium_004.sized.jpg

http://www.wellcraftv20.com/gallery/albums/MJ-hide/Picture_006_Medium_004.sized.jpg

macojoe
07-16-2008, 10:25 PM
Its a 15 X 17

tsubaki
07-17-2008, 06:36 AM
Give it to me, I'll have it rehubbed and try it on mine!!

randlemanboater
07-17-2008, 07:06 AM
I think you have a loose nut behind the steering wheel.

macojoe
07-17-2008, 12:05 PM
Well besides that! LOL

Talking to CB I think the prop is fine, its the lower unit, see post in repairs!! Thanks!

Jetty Rocker
07-24-2008, 06:00 AM
Take the prop off of the lower unit and take a picture or look at the back side of the prop where you can see the hub. A lot of the time if the hub has spun you can see where the rubber is torn. Post a picture of the backside and I can probably tell.

macojoe
07-24-2008, 07:01 AM
Thanks Jetty and Welcome to the site!!

The prop was not spining, it ended up being the lower unit was coming out of gear because of a shift linkage.