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Old Oct 10, 2012, 03:41 PM
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doh!
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Quote:
Originally Posted by Maxmannnn View Post
So after lurking through nearly 1000 of the past pages I finally took the plunge and got the 71" slick. I slapped a a60-6xs on the front after reading Steve's comments. I live at 7500ft, and it seemed pretty gut-less for this morning's maiden. It will pull out of a hover, but not by much. I've got a 20x10 on it and a 60c gens ace 5300 6 cell pack. I'm barely pulling 1300 watts at 60amps. Any suggestions for the next step? A bigger prop like a 21x12?
At that altitude a higher KV would probably be very good. That would give you more room to prop up. For us at lower altitudes a higher kv (400-450) lets us start to run an 18-19" prop, which would let you prop up to 20-21 to get the same power.
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Old Oct 10, 2012, 04:25 PM
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So, at my altitude (7500ft), which Motrofly would be the most ideal?
Old Oct 10, 2012, 04:31 PM
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Don't rightly know... I've just seen others that post on here have good success with being able to prop up. There area few, if you go back through this thread you'll find some that live in Denver and other areas up there. If it were me I'd probably try a 4325-450 and spin a 19x10 prop and see that that does for you. I would shoot for watts in the 2000-2300 range.
That is just a guess.
You would probably be best to email Subsonicplanes.com and get their recommendation... undoubtedly they would know more than me. Or you could also try the Hacker a60-5xs, it's a higher kv too and should let you run a 19-20" prop. Would be a direct replacement to your a60-6xs.
Old Oct 10, 2012, 04:35 PM
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pretty sure Joe Smith is running a 21x10 on the A606XS. iirc, he was even considering a 22" prop. just saying you might have some room to prop up before selling your motor.
Old Oct 10, 2012, 04:49 PM
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I keep nicking my wood props on my very short, uneven, and paved runway. What stronger prop options could I run on a hacker a50-12l on 6s...? I need something durable that wont bust at the slightest contact...
Old Oct 10, 2012, 04:51 PM
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bigger wheels.
Old Oct 10, 2012, 04:52 PM
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If I were in your shoes I would email ken at subsonicplanes.com and see what he thinks.

Quote:
Originally Posted by Maxmannnn View Post
So, at my altitude (7500ft), which Motrofly would be the most ideal?
Old Oct 10, 2012, 05:27 PM
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Originally Posted by UCDme3D View Post
I keep nicking my wood props on my very short, uneven, and paved runway. What stronger prop options could I run on a hacker a50-12l on 6s...? I need something durable that wont bust at the slightest contact...
hmmm, I'd start with working on the landings, a nice 3 point! For me sometimes a 1 point then drop the other 2.
Old Oct 10, 2012, 06:10 PM
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My 71" slick arrived today. As well as my equipment. My setup is as follows:

Tacon Bigfoot 110 295kv
JXF 19x9 prop
AeroModel 3" CF spinner
Turnigy 120A-HV-OPTO Esc
2 Zippy 4s 4000mah 40C packs in series
Turnigy 15a UBEC
Turnigy 620DMG+HS High Torque Digital Servos (MG) 10.6kg / .13sec / 52g
Spektrum AR8000 receiver

Not sure what size receiver pack to run on this setup though.
Also these wheels seem very hard, what is everyone running? Suggestions on my setup?
Old Oct 10, 2012, 06:34 PM
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Quote:
Originally Posted by Maxmannnn View Post
So, at my altitude (7500ft), which Motrofly would be the most ideal?
You don't need another motor, just a different prop. You are at a higher altitude where the air is thinner, you need a prop with more bite...

SteveT
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Latest blog entry: My hangar...
Old Oct 10, 2012, 06:57 PM
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Quote:
Originally Posted by garrettt04s View Post
My 71" slick arrived today. As well as my equipment. My setup is as follows:

Tacon Bigfoot 110 295kv
JXF 19x9 prop
AeroModel 3" CF spinner
Turnigy 120A-HV-OPTO Esc
2 Zippy 4s 4000mah 40C packs in series
Turnigy 15a UBEC
Turnigy 620DMG+HS High Torque Digital Servos (MG) 10.6kg / .13sec / 52g
Spektrum AR8000 receiver

Not sure what size receiver pack to run on this setup though.
Also these wheels seem very hard, what is everyone running? Suggestions on my setup?
They guy I bought my slick from had these wheels on it. They are nice and squishy.

http://www3.towerhobbies.com/cgi-bin...?&I=LXD763&P=7
Old Oct 10, 2012, 07:02 PM
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Stock wheels are fine....(IMO.....YMMV)

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Latest blog entry: My hangar...
Old Oct 10, 2012, 07:06 PM
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As ken about the new 4330. Love mine on a 20x10.
Old Oct 10, 2012, 07:15 PM
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As ken about the new 4330. Love mine on a 20x10.
Do you have one on this plane? What's your amps and watts?
Old Oct 10, 2012, 07:18 PM
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Originally Posted by ryan_m View Post
Don't rightly know... I've just seen others that post on here have good success with being able to prop up. There area few, if you go back through this thread you'll find some that live in Denver and other areas up there. If it were me I'd probably try a 4325-450 and spin a 19x10 prop and see that that does for you. I would shoot for watts in the 2000-2300 range.
That is just a guess.
You would probably be best to email Subsonicplanes.com and get their recommendation... undoubtedly they would know more than me. Or you could also try the Hacker a60-5xs, it's a higher kv too and should let you run a 19-20" prop. Would be a direct replacement to your a60-6xs.
A60-5XS is 420KV, according to Mike at Aero-Model, this motor is designed for 16X10 to 17X10 props (at nominal sea level) on 6S. However, he told me I could run an 18X8 Xoar (I am at sea level). I have one of these in my new 70" Velox, and should have some numbers on it in just a little while. At higher altitudes you would of course be able to use a larger prop.

SteveT
RCG Plus Member
Latest blog entry: My hangar...


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