Total Melt Down! Why??

[tlandauer]

I'm not sure how you're getting away with running a X447/3, I'm running a Y547/2 and mine gets just a little on the warm side (125-130) if I beat on it hard.

I thought the Y547 is more aggressive albeit only a 2 blade. man,where have I been all this time!

[Fluid]

Too much prop for Summer running! We often have to run smaller props in Texas' Summer heat, larger props in Winter. A motor which starts out 30 degrees hotter in Summer will usually come in 30 degrees hotter. A Neu is not a Leopard and will often pull more amps in the same aggressive setup; different cell quality matters too. What timing was used?


.

[tlandauer]

Let me see a few pics of that boat

Here they are, Chris,
DSCN7035.jpg DSCN7036.jpg DSCN7037.jpg DSCN7038.jpg

DSCN7042.jpg

I just used a non-locking nut to secure the prop for these pictures.

[dasboata]

I thought the Y547 is more aggressive albeit only a 2 blade. man,where have I been all this time!

the 547 has 2.849" of pitch and the 447 has 2.590 but it does have another blade which will add some load

[tlandauer]

Too much prop for Summer running! We often have to run smaller props in Texas' Summer heat, larger props in Winter. A motor which starts out 30 degrees hotter in Summer will usually come in 30 degrees hotter. A Neu is not a Leopard and will often pull more amps in the same aggressive setup; different cell quality matters too. What timing was used?


.

15*,
I think I learned a valuable lesson today!
Thanks for pointing out that a Neu will pull more amp in this set up than a Leopard, that is something I had neglected to consider!

[tlandauer]

the 547 has 2.849" of pitch and the 447 has 2.590 but it does have another blade which will add some load

I see, I looked at the dia. and pitch as my guidelines. I honestly thought the addition of one blade would not have added that much load.
Thx !

[dasboata]

The prop looks well done,, did you do it ? The only thing it, it's going to eventually blow a blade off,, with the heavy barr cuts , you also have some added tip cup in there,, I would concider putting a water pickup threw the hull in the bottom of the right sponson turnfin side,, pretty old school but reliable

[tlandauer]

The prop looks well done,, did you do it ? The only thing it, it's going to eventually blow a blade off,, with the heavy barr cuts , you also have some added tip cup in there,, I would concider putting a water pickup threw the hull in the bottom of the right sponson turnfin side,, pretty old school but reliable

I bought the prop used here from someone. I see the tip cup.
Thanks for the suggestion on the location of the water pickup.

[dasboata]

Can you take a pic of the engraving on the hub please

[tlandauer]

Ok...[ATTACH=CONFIG]120558[/ATTACH] [ATTACH=CONFIG]120559[/ATTACH]

[dasboata]

OK I don't see any engraving on there ? looks like my finish,, but I don't barr cut like that, that prop also has added pitch on the trailing edge,, I would try a smaller prop as suggested by Jay thanks Chris

[olwarbirds]

Tim 15* is too high for a Neu brother, try 5* that will help alot.... DJ

[Luck as a Constant]

Total Melt Down! Why??

Tim 15* is too high for a Neu brother, try 5* that will help alot.... DJ

Sent from my iPhone using Tapatalk

[ron1950]

will the motor run cooler if timing is set back to 7.5?

[Rumdog]

15 degrees is fine for that motor