Muffs and test barrel?

[Bayou Dave]

In a post I read today the OP mentioned running his outboard on muffs and in a test barrel. I have never heared of doing both, just one or the other. Is there any advantage of running it on muffs and in a test barrel at the same time?

 

[bruceb58]

No. In fact running in a test barrel can overheat your motor if you run it long enough. I f you run an outboard in a barrel, you have to make sure the level of the water is as high as where the water pump impeller is and have a hose running in it to supply cool water.

 

[Scott Danforth]

Is there any advantage of running it on muffs and in a test barrel at the same time?

Maybe if I sell impellers and power heads, then yes, run it with both :facepalm:

 

[Sea Rider]

It's a combination of clear water intake running through muffs & barrel oily leg mess. Muffs all the way.

Happy Boating

 

[Bayou Dave]

This question is sort of on topic. Would running an outboard in a tank (about 10 minutes with proper water level) greatly reduce the noise level versus muffs?

 

[roscoe]

Absolutely.
The exhaust will exit under the water, and noise level will be close to when you use it in the lake.

 

[airshot]

One other thing to keep in mind. While the use of muffs is clearly the easier method, if you are needing to adjust idle speeds then the barrel is better. Slow idle speed can only be properly adjusted with pressure on the propeller while in gear. Without water pressure on the prop the slow idle adjustment will be made to get the motor running smoothly however, when you do get it on the boat and in the water you will find the motor tends to stall. If making slow speed adjustments then a barrel is better.

 

[bruceb58]

No way you are going to put a 90HP outboard in a barrel and put it in gear and have water left in the barrel.

 

[Sea Rider]

The best way to adjust idle speed is not on a barrel, engine must be pushing boat at load, adjust idle screw enough for engine not to stall when shifting forward, readjust a bit if needed.

Happy Boating

 

[Bayou Dave]

No way you are going to put a 90HP outboard in a barrel and put it in gear and have water left in the barrel.

I have no intension of putting it in gear in the tank. Just run it a bit to get it up to temp and not drive the neighbors crazy with the noise and smoke. Although the smoke probably keeps the skeeters away.

 

[bruceb58]

I have no intension of putting it in gear in the tank

My reply was to airshot.

 

[southkogs]

No way you are going to put a 90HP outboard in a barrel and put it in gear and have water left in the barrel.

But for about 15 seconds it would look REALLY cool.

 

[Bayou Dave]

I guess I could back it up to my neighbor's inground pool and run it WOT. :laugh:

 

[WIMUSKY]

I guess I could back it up to my neighbor's inground pool and run it WOT. :laugh:

Now that's an idea. Plus you could mess with your idle adjustment.....