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Old Nov 19, 2010, 11:28 AM
R.C. Aviation Fanatic
Razors edge 29's Avatar
Canada
Joined Aug 2009
19,488 Posts
Awesome

my msr motors have been good as well.

i might use SP motor in my MSR or in a scratchbuilt perhaps.

The 4-site looks temping as well, BUT UMX 300 looks better lol


Quote:
Originally Posted by maukabud View Post
Didn't know that...but don't feel bad...I haven't had the best luck w/ HH motors either, excluding the mSR motor in the mSR...which I average about a motor every three months in the winter (when it gets heavy usage).

And...IMO...I am noticing more power w/ the SP motor...my heavy dawg 4S can actually hover for quite a few seconds on a fresh batt. Guess I got a "grade A" handpicked one. (RG)


Bud, grade A Bud
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Old Nov 19, 2010, 03:10 PM
add lightness
PositivelyJoe's Avatar
Big time Minneapolis, Good Ol' St Paul
Joined Oct 2007
1,121 Posts
how about a motor from a Syma S107 heli? replacement motors are only $4 and free shipping.
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Old Nov 19, 2010, 08:47 PM
Blade mSR freak
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Irish Hills - SE Michigan
Joined Jan 2010
2,053 Posts
maybe for an msr tail motor...
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Old Nov 21, 2010, 03:56 PM
Registered User
Windsor, Canada, near Detroit
Joined Jul 2007
4,360 Posts
more on solo pro

today i flew at the local gym. i had the sp on my 22" Elf, which is a 120 sq in, 48 gr auw hi winger, 9% undercamber airfoil, 2mm depron. the prop was the 130/70 and i used 110 and 150 cells. the flying times were over 5 minutes without reaching lvc. the interesting thing is that the sp being more powerful still does not overload the tiny 110 mah cell.
the sp is breaking-in-it's now way more quiet, and the power is too much for this plane. if i am not very careful with the throttle, it climbs at 45-60 degrees with a small increase. i will have to go back to the clear end bell motor and the 160/70 prop, so the power is not too much.
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Old Nov 24, 2010, 08:14 PM
HELP I AM BEING SET UP!!
maukabud's Avatar
United States, OR, Deschutes
Joined Jul 2009
3,940 Posts
Quote:
Originally Posted by phil alvirez View Post
the sp is breaking-in-it's now way more quiet, and the power is too much for this plane. if i am not very careful with the throttle, it climbs at 45-60 degrees with a small increase. i will have to go back to the clear end bell motor and the 160/70 prop, so the power is not too much.

....and isn't that a beautiful thing!



Bud, :thumbup: Bud
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Old Nov 25, 2010, 02:13 AM
R.C. Aviation Fanatic
Razors edge 29's Avatar
Canada
Joined Aug 2009
19,488 Posts
Too much power for a 48 gram plane?
Wow

Imagine the possibilities of the "always over weight" foams I build???

Lol

Oh yeah baby!





Quote:
Originally Posted by phil alvirez View Post
today i flew at the local gym. i had the sp on my 22" Elf, which is a 120 sq in, 48 gr auw hi winger, 9% undercamber airfoil, 2mm depron. the prop was the 130/70 and i used 110 and 150 cells. the flying times were over 5 minutes without reaching lvc. the interesting thing is that the sp being more powerful still does not overload the tiny 110 mah cell.
the sp is breaking-in-it's now way more quiet, and the power is too much for this plane. if i am not very careful with the throttle, it climbs at 45-60 degrees with a small increase. i will have to go back to the clear end bell motor and the 160/70 prop, so the power is not too much.
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Old Nov 25, 2010, 05:52 AM
Registered User
Windsor, Canada, near Detroit
Joined Jul 2007
4,360 Posts
low wing loading

Quote:
Originally Posted by Razors edge 29 View Post
Too much power for a 48 gram plane?
Wow

Imagine the possibilities of the "always over weight" foams I build???

Lol

Oh yeah baby!
the key is low wing loading. my plane is 120 sq in and thin, 9% undercamber airfoil. this gives 0.4 grams per sq in and high lift.
with that low wing loading and high lift you need way less thrust.
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Old Nov 25, 2010, 08:56 PM
SUPERB RC CRASH MASTER
rc crashburn's Avatar
Houston, Texas USA
Joined Aug 2004
987 Posts
Originally Posted by phil alvirez
the sp is breaking-in-it's now way more quiet, and the power is too much for this plane. if i am not very careful with the throttle, it climbs at 45-60 degrees with a small increase. i will have to go back to the clear end bell motor and the 160/70 prop, so the power is not too much.

I can understand where you are coming from if you are primarily flying indoors in a confined space.

The constant turning is easier (MORE FUN) if the speed is easy to hold in check.

Should be way less touchy on the throttle with the 130/70 prop swap.

Why not change the prop first before considering the motor change?
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Old Nov 25, 2010, 11:49 PM
Registered User
Windsor, Canada, near Detroit
Joined Jul 2007
4,360 Posts
Quote:
Originally Posted by rc crashburn View Post
Originally Posted by phil alvirez
the sp is breaking-in-it's now way more quiet, and the power is too much for this plane. if i am not very careful with the throttle, it climbs at 45-60 degrees with a small increase. i will have to go back to the clear end bell motor and the 160/70 prop, so the power is not too much.

I can understand where you are coming from if you are primarily flying indoors in a confined space.

The constant turning is easier (MORE FUN) if the speed is easy to hold in check.

Should be way less touchy on the throttle with the 130/70 prop swap.

Why not change the prop first before considering the motor change?
dear sir: thank you very much for your advice. but am not flying just indoors. i fly mostly outdoors, and not turning constantly. i have tried the change that you suggest. i like to fly as slow as possible, and the combination of clear end bell motor and 160 prop, as supplied by the manufacturer, fits better my goals. likewise, the black end bell with the 130. thanks again for your intention to help.
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Old Nov 26, 2010, 01:12 AM
R.C. Aviation Fanatic
Razors edge 29's Avatar
Canada
Joined Aug 2009
19,488 Posts
Has anyone tried placing a 9 tooth UM pinion on the tail motor off a 120 SR to see what kinds of thrust it can generate?
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Old Nov 26, 2010, 03:41 PM
HELP I AM BEING SET UP!!
maukabud's Avatar
United States, OR, Deschutes
Joined Jul 2009
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Quote:
Originally Posted by Razors edge 29 View Post
Has anyone tried placing a 9 tooth UM pinion on the tail motor off a 120 SR to see what kinds of thrust it can generate?

There's an off-the-wall idea. You'd prolly be the first. I think you should try it.
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Old Nov 26, 2010, 04:42 PM
R.C. Aviation Fanatic
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Canada
Joined Aug 2009
19,488 Posts
Lol maybe
I have a bad one that I may be able to revamp perhaps.


Quote:
Originally Posted by maukabud View Post
There's an off-the-wall idea. You'd prolly be the first. I think you should try it.
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Old Nov 26, 2010, 06:49 PM
HELP I AM BEING SET UP!!
maukabud's Avatar
United States, OR, Deschutes
Joined Jul 2009
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Quote:
Originally Posted by Razors edge 29 View Post
Lol maybe
I have a bad one that I may be able to revamp perhaps.

Dude. 10,172 posts and youv'e only signed up August '09??? I think you have "RCG-post-itus".
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Old Nov 26, 2010, 06:56 PM
R.C. Aviation Fanatic
Razors edge 29's Avatar
Canada
Joined Aug 2009
19,488 Posts
I Am but I don't think that post count Is true.





Quote:
Originally Posted by maukabud View Post
Dude. 10,172 posts and youv'e only signed up August '09??? I think you have "RCG-post-itus".
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Old Dec 01, 2010, 09:46 AM
Heli collector
livonia bob's Avatar
United States, MI, Livonia
Joined Apr 2009
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Quote:
Originally Posted by Razors edge 29 View Post
I Am but I don't think that post count Is true.
As he posted 2 hours after you posted the count number while now off by a couple of hundred was most likely right at the time...
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