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Old Aug 03, 2012, 09:46 AM
certified crash instructor
Scottsdale Arizona
Joined Dec 2009
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I saw the scorpion hk-3026-1000 at www.scaleflying.com for $74.99. This is probably the best bet if it fits which I'm pretty sure it does.
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Old Aug 03, 2012, 12:40 PM
certified crash instructor
Scottsdale Arizona
Joined Dec 2009
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I'm also looking at the hyperion 3020-08, specs look good at 1050 watts and it weighs 161.7g. I'll probably use this motor for the 3s setup.
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Old Aug 03, 2012, 12:47 PM
smoke is my wattmeter
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I ran my 3 cell up on the wattmeter last night and I'm getting around 550 watts with a 12x6 on a 1000kv Suppo style 2826. It weighs around 170 grams and I use 25 or 55c Gens Ace 2600s. I normally used a 13x6.5 on this motor in cooler weather but don't want to push it too hard in the heat. Hopefully will remaiden mine tomorrow morning. I painted the fuse solid white and it's ugly.
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Old Aug 03, 2012, 01:10 PM
certified crash instructor
Scottsdale Arizona
Joined Dec 2009
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I figure I could reduce the weight by at least 5 ounces using the hyperion 3s 35c 2600mah, the 3020-08 motor and 60amp hobbywing pro esc and removing the pilot. I need to find a lighter main wing tube, the stock one is very heavy.
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Old Aug 03, 2012, 02:00 PM
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A Motrofly 950kv 2820 would be my dream motor for 3s power on this plane. The 750kv one for 4s. Maybe someday.
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Old Aug 03, 2012, 04:35 PM
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I've got a Precision Aerobatics Thrust 40 motor in mine. I use 4s 2200mah to lighten up the nose this is a great combination for 3D.........
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Old Aug 03, 2012, 07:15 PM
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Quote:
Originally Posted by slo-fly View Post
I saw the scorpion hk-3026-1000 at www.scaleflying.com for $74.99. This is probably the best bet if it fits which I'm pretty sure it does.
Problem is all his $75 motors are out of stock.

Does anyone know what the stock prop/motor pulls in watts?
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Old Aug 03, 2012, 07:51 PM
certified crash instructor
Scottsdale Arizona
Joined Dec 2009
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I made a post on Feb 23, post #2476 about calling hh for a set of new wings, well they finally showed up at my door today. I had forgot about them! I need a new fuse which is on backorder again and it looks like the rest I need is in stock. This 3s setup might go together quicker than I thought, if I can find a fuse soon!
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Old Aug 03, 2012, 08:52 PM
smoke is my wattmeter
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He had one a few weeks ago. Might get lucky. http://www.mikeshobbyshop.com/
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Old Aug 03, 2012, 11:48 PM
certified crash instructor
Scottsdale Arizona
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I found a fuse at the lhs, I plan on selling my 4s yak now, I will sell the cc ice lite 80 amp and hyperion 3025-08 motor for $190 shipping included, pm me if interested. The esc and motor have less than 10 minutes run time on them and are like new condition. If I don't sell I will probably use them for a trex 500 flybarless heli.
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Old Aug 04, 2012, 12:46 AM
certified crash instructor
Scottsdale Arizona
Joined Dec 2009
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Quote:
Originally Posted by krexken View Post
I ran my 3 cell up on the wattmeter last night and I'm getting around 550 watts with a 12x6 on a 1000kv Suppo style 2826. It weighs around 170 grams and I use 25 or 55c Gens Ace 2600s. I normally used a 13x6.5 on this motor in cooler weather but don't want to push it too hard in the heat. Hopefully will remaiden mine tomorrow morning. I painted the fuse solid white and it's ugly.
How many watts are you pulling on the 13x6.5 prop 3s setup? I'm curious cause I was thinking you could probably run 3s on a stock setup with a 14x7 prop. I think stock spin is around 16,000 rpm on 4s, on 3s it would be around 12,000 rpm so a bigger prop should compensate. I was thinking of raising the Kv to 1200 or so to get around 14,400 rpm on 3s and use a 13x6 or so prop. Then I was thinking I could run a 12x4 for 4s at any time.
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Old Aug 04, 2012, 08:28 AM
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I have been reading a lot about people trying to lighten up this plane. I would like to do the same. I have been flying with Skylipo 4s 3300s, and this plane handles like a brick. Could I switch to 3s 3300's with the stock set up? If not, what changes would I have to make?
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Old Aug 04, 2012, 08:40 AM
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A 3s setup will need a larger prop to get roughly the same performance as stock. If you really want to lighten up, go with an even smaller battery if you don't mind shorter flight times. They really need to be good ones though to stand up to the draw.

I think my watts with a 13x6.5 was around 625 or so. I don't have one to throw on there at the moment. I'd bet the stock motor would be a good choice for a 3s setup.

Flew mine again this morning in pretty breezy conditions. It got thrown around by the wind a good bit. It definitely feels underpowered but it has enough to get by. Not a lot of pullout from a hover. Overall it flew pretty decent but I'll go back to a 4s setup eventually. My 4s batteries are a good bit newer than my tired 3s 2600s.
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Old Aug 04, 2012, 09:06 AM
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Quote:
Originally Posted by krexken View Post
A 3s setup will need a larger prop to get roughly the same performance as stock. If you really want to lighten up, go with an even smaller battery if you don't mind shorter flight times. They really need to be good ones though to stand up to the draw.

I think my watts with a 13x6.5 was around 625 or so. I don't have one to throw on there at the moment. I'd bet the stock motor would be a good choice for a 3s setup.

Flew mine again this morning in pretty breezy conditions. It got thrown around by the wind a good bit. It definitely feels underpowered but it has enough to get by. Not a lot of pullout from a hover. Overall it flew pretty decent but I'll go back to a 4s setup eventually. My 4s batteries are a good bit newer than my tired 3s 2600s.
I was thinking of going with a 13.4 prop, a 3s 3300 batt., and a 40 amp eflite ESC. I currently have an ICE 75 amp esc in the plane, but it is pretty big and heavy. I will put it on a meter later to see how it performs.
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Old Aug 04, 2012, 09:17 AM
smoke is my wattmeter
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A 13x4 will make it awfully slow on 3s but it will keep the amp draw down. I think mine draws around 50 amps with a 12x6 which draws a bit more than a 13x4. I'd probably just try a smaller 4s battery like a 2200.

Here's my pebbly plane. Too much spraypaint applied in heavy coats will definitely texure your plane! Helps with gripping it though. Kinda like a football.
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