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Old May 13, 2012, 01:35 PM
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Beginner Scratchbuild

I have conquered land and sea, now I am looking to conquer the air as well. I have flown cheap tyco rc planes and helicopters and am pretty good, but now I am looking to get into higher power planes. I found this Sport Trainer designed by Mikey's RC and was wondering if it would be a good starter plane. It is a fairly large plane, so if you have any suggestions on a smaller Scratchbuild plane that would be great. Here is the plane:
http://mikeysrc.com/Sport-Trainer.html
I have also picked out a bunch of HobbyKing parts, except for the motor, servo linkages and horns. The plane calls for a 1000kv-1400kv motor and a 10x6 prop. Can you guys help me pick the motor, horns, and linkages?
Here is what I have picked:
http://www.hobbyking.com/hobbyking/s...ontroller.html
http://www.hobbyking.com/hobbyking/s...po%5FPack.html
http://www.hobbyking.com/hobbyking/s...?idProduct=662
http://www.hobbyking.com/hobbyking/s...propeller.html
http://www.hobbyking.com/hobbyking/s...de%5F1%5F.html
What do you think about the parts I have chosen?
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Old May 13, 2012, 04:12 PM
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United States, CA, Roseville
Joined Feb 2012
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The transmitter you have listed is mode 1. Just be sure you want the throttle on the right. Mode 2 is the standard here in the states and I think in Canada to but you can fly whatever you want.

I would suggest the cargo twin by foam and tape,

http://www.rcgroups.com/forums/showthread.php?t=1124466

It does well slow, has the props off the nose to protect from nose in damage, and can be made very sturdy, and it can drop cargo.

Another note, buying lipos from hobbyking overseas limits you from express air freight. You might consider buying them elsewhere or buying the lipos from the usa warehouse.
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Old May 13, 2012, 04:39 PM
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It is a cool plane, but I don't really want something with two motors. I am starting to like the plane I have chosen, but I don't know what motor to get?
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Old May 13, 2012, 04:47 PM
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How about this one with a bigger esc



http://www.hobbyking.com/hobbyking/s...0kv_420w_.html
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Old May 13, 2012, 09:19 PM
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That motor looks to powerful for me. I am a beginner and this is a trainer plane so I am looking for something less powerful.
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Old May 14, 2012, 01:14 AM
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What do you guys think about this motor?
http://www.hobbyking.com/hobbyking/s...r%5FMotor.html
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Old May 14, 2012, 09:33 AM
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Haven't built or seen the Mikey's trainer, but the biggest thread here on scratchbiilts is the Blubaby, for good reason: it's an easy build, full fuselage (more realistic), excellent trainer for 3&4 ch flying; that's upgradable as far as one wants to go. The best documented plane on the forum. plan templates are posted for every size from 16" to 60" spans. I have a 42" one that I've flown UC wing, KFM3, with and without ailerons (even twin rotor autogyro wing), on wheels, skis and floats. About as versatile a design as you can get. searching on the thread will get you the motor/prop combination that work best for each flight type.
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Old May 14, 2012, 09:40 AM
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Canada, ON, Ottawa
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How big is your plane? If the planes wingspan is around 40" I would recommend the following (I have had good success with a similar setup):

Motor:
-Turnigy 2627 1200kv
http://www.hobbyking.com/hobbyking/s...er_1200kv.html

Prop:
- JXF 7X4 (Great Prop, very rigid)
http://www.hobbyking.com/hobbyking/s...2pcs_set_.html

ESC:
- Turnigy 18A Basic
http://www.hobbyking.com/hobbyking/s...ontroller.html

Battery:
- Turnigy 1300 mAh 30C 3S
http://www.hobbyking.com/hobbyking/s...Lipo_Pack.html


I have the same setup with this motor:
http://www.hobbyking.com/hobbyking/s...er_1100kv.html
My motor is on backorder right now, but the one in the list has better specs anyway. I have a 43" 500g Full-Fuselage plane and it flies great. It can't do any vertical climbs though. I fly the plane for 12 minutes at 1/2 throttle with reserve.

Check it out:
http://www.rcgroups.com/forums/showthread.php?t=1648049

Hope this helps.
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Old May 14, 2012, 09:43 AM
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If ya still like the sport trainer, post the span and allup weight dimensions. It's easier to figure motors with those available. Oddly enough they aren't posted on the site, must be in the plans.
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Old May 14, 2012, 12:46 PM
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I will post the specs later. That looks like a pretty small motor. The plane calls for a 10x6 prop so I am looking at these motors here:
http://www.hobbyking.com/hobbyking/s...r%5FMotor.html
Or
http://www.hobbyking.com/hobbyking/s...1100kv%5F.html
The plane says the motor is supposed to weigh 47grams which can't have a 10x6 prop so I think one of these will be good.
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Old May 14, 2012, 01:09 PM
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From the plans it looks like it will have about a 40" wingspan. Weight will depend on what hardware you use, but the airframe will be very light.

Just from looking at the plans, those motors seem a bit excessive. With a 10X6 prop you'll probably have a 1.5:1 to 2:1 power to weight ratio. But depends on what you plan to do with the plane.
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Old May 14, 2012, 04:48 PM
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I am a beginner so I don't know what motors are too powerful for this plane. The plane calls for that prop so that is what I thought I had to use. Is the motor that you recommended powerful enough to get the plane around at half throttle?
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Old May 14, 2012, 06:34 PM
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All of the electronics weigh about 260g plus receiver, servo linkages and horns. I don't have a scale to weigh the plane, but I used Elmer's foam board which is a little heavier than dollar tree foam and 4 wooden skewers. I will be adding some more reinforcement to the fuselage tail section as well as some Popsicle stick skids to the bottom right under the COG. The wing span is 40".
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Old May 14, 2012, 09:02 PM
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This motor is less powerful than the others I chose.
http://www.hobbyking.com/hobbyking/s...dProduct=18969
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Old May 14, 2012, 09:28 PM
How do I land this thing?
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United States, IN, Warsaw
Joined Feb 2012
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I'm still pretty new to the hobby so the confusion of power in terms of motor/esc/battery is still fresh in my mind. I want to second Springer's suggestion that you look at the blubaby. I haven't built one but it's popularity proves it to be a good design. Aside from that I'm sure if you ask in that thread for a power combination you will have several equally good suggestions. And on top of that you will have a lot of support should you run into a snag while building.

the blubaby thread
http://www.rcgroups.com/forums/showthread.php?t=681556
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