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Old Dec 05, 2012, 12:13 AM
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flydown's Avatar
United States, AZ, Peoria
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Originally Posted by Doug Sipprell View Post
Kevin: From what vendor are you sourcing these Nano Tech 300mah 35C lipos?

Tnx

RD
Over here for about $6

http://www.hobbyking.com/hobbyking/s...dProduct=28444
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Old Dec 05, 2012, 05:55 PM
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Berkley, MI
Joined Dec 2009
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Maiden successful. I got two flights in with no issues so far. Had 3 more packs, but the Sun was setting fast and I didnt want to risk loosing orientation.

Landed 3 times and bounced it each time. Is it best to land with power? Overall, smooth as silk, and pretty to look at during those flybys.
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Old Dec 05, 2012, 06:13 PM
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South Florida
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Originally Posted by Silverexpress View Post
Maiden successful. I got two flights in with no issues so far. Had 3 more packs, but the Sun was setting fast and I didnt want to tisk loosing orientation.

Landed 3 times and bounced it each time. Is it best to land with power? Overall, smooth as silk, and pretty to look at during those flybys.
Yup, the best way to make the Mig look good landing is to get that nose up a bit on approach, leave a bit of power on, and just grease her in on a glide slope. After a few tries, it gets very easy!
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Old Dec 05, 2012, 06:40 PM
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East Bethel, MN USA
Joined Jul 2009
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Originally Posted by Silverexpress View Post
Maiden successful. I got two flights in with no issues so far. Had 3 more packs, but the Sun was setting fast and I didnt want to tisk loosing orientation.

Landed 3 times and bounced it each time. Is it best to land with power? Overall, smooth as silk, and pretty to look at during those flybys.
Congrats on the maiden! Yeah, it's best to land with power. If she's bouncing after touchdown, you're mostly likely landing too hot. To bring her in slower, you need to bring the nose up & carry some power all the way down. About halfway through the downwind leg, reduce throttle to about 50%. Ease the stick back & bring the nose up to slow her down. Reduce power a bit more as you turn to base. Keep the nose up to manage your speed. Reduce power a bit more as you turn to final. Be sure to hold the nose up during the turn to keep your airspeed in check. On approach, manage decent-rate with throttle & manage airspeed with elevator. You should be descending visibly nose-high at this point, bleeding off airspeed. As she settles into ground-effect, smoothly reduce the throttle & ease the stick back. You want to have the stick nearly all the way back & the throttle closed just as the mains touch. Keep the stick all the way back until after the nosewheel touches down.

To get enough elevator authority for a mains landing, you'll need to move the elevator pushrods in at least to the second from the innermost holes & make sure the plane isn't nose-heavy.

Here's how it should look: http://www.rcgroups.com/forums/showp...postcount=1405

Joel
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Old Dec 05, 2012, 07:13 PM
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Berkley, MI
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Thanks guys. Looking forward to trying your suggestions out tomorrow. I'll also work on stalls 3 mistakes high so I can better gauge its speed envelope.

Nice flying Turboparker.
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Old Dec 05, 2012, 07:18 PM
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Originally Posted by Silverexpress View Post
Thanks guys. Looking forward to trying your suggestions out tomorrow. I'll also work on stalls 3 mistakes high so I can better gauge it's speed envelope.
Actually putting it into high alpha way up high, and playing with how slow you can fly it will indeed help you know the 'limits' when you are landing -- once you see how prettily this plane settles in and slows down, you'll get lots of confidence for when you land.
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Old Dec 06, 2012, 01:15 PM
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Also - if you're bouncing on your landings, there are two potential causes:
1) You are landing too "flat" - that nose gear is very springy. Hit it on initial contact and you can bet you'll be back in the air every time. As Turbo and TN indicated, you'll want to get to a point where you can get your mains to touch down first and keep that nose up as long as possible to bleed off momentum. Just beware, with AS3X, the tip stall comes out of nowhere and suddenly she's cartwheeling. Ask me how I know!

2) you are landing too hot - as Turbo said. Ironically, keeping power on allows you to land slower, because you can adjust your attitude without stalling. If you have the same bad habit I used to, I'd take my thumb off the throttle from time to time when flying. If you do that, you aren't managing your throttle on landings, which means you have ONE shot at getting it perfect. By managing your throttle throughout the landing process, you have multiple attempts (as long as your strip is long enough) to get everything - speed, attitude, altitude - to fall into place.

You are probably a much better pilot than I, but for others who may read this in the future, I'll steal a line out of Turbo's many posts on this that helped me immensely and particularly with the Mig- "manage altitude with throttle, manage attitude with elevator"
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Old Dec 06, 2012, 06:54 PM
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United States, CA, Apple Valley
Joined May 2002
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witchwayisup you are correct I`ve been flying ducted fans for many years the way to get the best landing on a jet is to bring in with power that always gets the nice oohs aahs landings , considered this does a real jet glides in ? no unless you have a flame out or the engines suck in a bird , then you have no choice but to glide in , the same applys to a rc jets , to get a nice landing slow the mig down but with power she come in really nice , got aprox 15 flights on my little mig all the landings have been really nice , she is a hoot to fly , really like it .
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Old Dec 08, 2012, 05:04 PM
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USA, KY, Hebron
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continuous loops?

in the promo video, the mig clearly does 3 consecutive loops, in what appears to be horizontal flight. I'm curious if everyone's mig has been capable of that out of the box?

I just bought one about a week ago, and so far after about 10 flights I don't see mine being able to do that. it will do one, but even entering at very high speed, it isn't far from falling out at the top. the one caveat is that I've been flying on 40 weather, so maybe the battery isn't reaching full performance (I am keeping the battery inside until the very last moment).

otherwise I'm happy with it and really enjoy flying it, but looking back over the promo video, I wonder if mine is quite up to snuff.
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Old Dec 08, 2012, 06:17 PM
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Kingston, Canada
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I do fairly big consecutive loops with it. This way it doesn't slow down much because of the extra drag with a lot of elevator. Also I back off all the elev going over the top. The nose will drop on its own on the downside and build up it's own speed again. Gradually pull out at the bottom and do it again. What's the word " conservation of energy". This is with a 2 cell 360 Rhino batt.

Gord.
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Old Dec 08, 2012, 08:54 PM
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United States, TN, Jackson
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Quote:
Originally Posted by habitforming View Post
in the promo video, the mig clearly does 3 consecutive loops, in what appears to be horizontal flight. I'm curious if everyone's mig has been capable of that out of the box?

I just bought one about a week ago, and so far after about 10 flights I don't see mine being able to do that. it will do one, but even entering at very high speed, it isn't far from falling out at the top. the one caveat is that I've been flying on 40 weather, so maybe the battery isn't reaching full performance (I am keeping the battery inside until the very last moment).

otherwise I'm happy with it and really enjoy flying it, but looking back over the promo video, I wonder if mine is quite up to snuff.
I can do ENDLESS consecutive loops...But I am using a NanoTech 300mAh battery....

Here is a YouTube video of consecutive loops at the 2:30 mark...

MiG 12 1 12 (5 min 39 sec)


Kevin
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Old Dec 08, 2012, 09:19 PM
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USA, KY, Hebron
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Thanks for the responses. I am probably guilty of holding a bit too much elevator. I'll try larger loops next time. Though it doesn't seem like it would go much higher, even in the first loop. Do you start from a steep dive or level flight?

My LHS had no spare batteries available, so I have just the single 200mAh 20C that is included, for now. I aim to get TP's or Turnigy's soon, which I expect will make an improvement.

Can anyone comment on performance with the stock battery?
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Old Dec 08, 2012, 09:32 PM
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Great stuff Kevin. I didn't think much of the stock batt. The 360 gives more poop and a much longer run time.

Gord.
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Old Dec 08, 2012, 09:48 PM
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turboparker's Avatar
East Bethel, MN USA
Joined Jul 2009
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Quote:
Originally Posted by habitforming View Post
in the promo video, the mig clearly does 3 consecutive loops, in what appears to be horizontal flight. I'm curious if everyone's mig has been capable of that out of the box?

I just bought one about a week ago, and so far after about 10 flights I don't see mine being able to do that. it will do one, but even entering at very high speed, it isn't far from falling out at the top. the one caveat is that I've been flying on 40 weather, so maybe the battery isn't reaching full performance (I am keeping the battery inside until the very last moment).

otherwise I'm happy with it and really enjoy flying it, but looking back over the promo video, I wonder if mine is quite up to snuff.
Check the tailpipe for wiring obstructions & be sure to use a top-quality pack. The stock pack sucks.

With the gear on, I can do endless loops with my Hyp 240s, Hyp 320s, and TP 325s. I can even do a rolling climb on the way up with the TP 325s. Without the gear, I can do two full vertical rolls on the way up with the TP 325s & still have enough momentum to get over the top of a loop. With the TP 325s, I can do huge loops & huge Cuban-eights with & without the gear. See below:

Sans gear on a TP 325 65c:

UMX MiG 15 sans gear - performance demo (5 min 18 sec)


With the gear. First pack is a TP 325 65c. Second pack is a Hyp 320 25c. Third pack is a Hyp 240 25c:

UMX MiG flight testing - Thunder Power 325 mAh 65c + Hyperion 320 & 240 mAh 25c packs (15 min 45 sec)


Joel
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Last edited by turboparker; Dec 08, 2012 at 09:54 PM.
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Old Dec 08, 2012, 11:58 PM
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United States, TN, Jackson
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Originally Posted by flypaper 2 View Post
Great stuff Kevin. I didn't think much of the stock batt. The 360 gives more poop and a much longer run time.

Gord.
Thanks!!!...And I think that my airplane chasing dog loves to fly more that I do!!!...He waits on it so that he can "hunt/find it" when I' done flying....Sometimes he places his paw on the wing as to say "Daddy, I stopped it for ya!!!"....I've had to repair a few wings due to this......

Kevin
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