UL-1 Build. 55mph+

[bigpapa]

tks todd

[nate]

Well I went to the shop today and go ahead and get the Turn fins done, and Im out of Metal, Ill got to the Machine shop and pick up the scraps in the morning, Ill have them done thursday guys. Thanks!!

Oh and todd I sent your motor, should be in very soon. Enjoy!!

[nate]

Ran the boat again today, I ran an m447 for around 8-9minutes. Temps were much higher..but so was the speed, The CC ESC was at 144d/F with the m445, it was 153d/F on the m447, but I did also run longer. Anyone think the m447 is a bad idea, seemed really really fast!!

[line6]

How hot was the motor & batteries

[RandyatBBY]

I feel any thing above 42MM will cause early death to the motor. I have ran several up to 50MM, they are all done for!

[nate]

How hot was the motor & batteries

The lipos were at 99-100 degrees yesterday,

Today I didnt chech them but I put my hand on them... id say 104 degrees...

the motor was around 166.

Whats the temps on a good 50mph 4S Race hydro?...

[sailr]

You're running on the edge of the temps for the esc and motor. I'd prop down!

[Ub Hauled]

Nate, 166F is too much to ask from that motor (or any)... propping down a bit would give you fun speeds and longer life for the motor... just something to consider.

[z400]

Wholly SMOKES that is some hot equipment in that boat..

[nate]

Nate, 166F is too much to ask from that motor (or any)... propping down a bit would give you fun speeds and longer life for the motor... just something to consider.

Ill got back down to the m445.

It got messed up after the Rudder bent into the prop...

What would be the best prop anyways...

I was gunna try an x640..

[nate]

Motor temps should stay down now..

Iv got the motor fitted with a water jacket...

Ill try the 442 today..

[6S HYDRO]

NICE YOUR RUNNIN THAT THING ON 5S2P

[nate]

Success!!!!

58.5mph on Etrex!!!

Here a couple of Pics and a very short video my cousin got.. but you get the point!!

I believe with a few more mods and trim shes got 60mph easy!!!

http://www.youtube.com/watch?v=iIHKx1pFBmI

[nate]

Temps today were much lower.

I started on an x442, it was pretty top-end fast.. but when I entered into corners it fell on its face.

So I swapped back to the m447 and ran it 4mins really hard...

came in and check the motor.. it was 144.8d/F at the end of the can.

The hydra 120 was 141.9d/F...

and the lipos held 99/101 d/f.

Ran great with small adjustments to the strut..

[nate]

Sorry for the short video.. we had pics taken and had limited space on the memory card..