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Posted by Red.Sneakers | Jul 04, 2015 @ 11:42 AM | 713 Views

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June 12, 2015

morning, temps rising. Off I went to the Oval with my umx Sport Cub S2. Loaded the flight logger & 550 battery. Strapped in the chair under the shade. Calm winds at ground level. Just wanted to enjoy a relaxing 20 minute flight touring the field. Winds aloft were a different story, close to zero ground speed at half throttle could be achieved going upwind. Hung around 350+ foot AGL, short fast legs down wind and long slow legs upwind. No gusts observed. Squawking Tx indicating Frame Loses = 0, Holds = 0 every 30 seconds. Good communications with the radio reported, exceptional. The Tx telemetry squawking went silent for a while At 14 min I adjusted the flight plan to 17 min, followed by a power off glide to the gate. Never made it to 17 minutes, had to call a Mayday at 14+ minutes and institute a series of emergency procedures.

Hum, seemed to be going higher. I was on the downwind leg so I kept mid power setting. Oh my, it Was going higher, power off. AGL reached 772 feet. Then it happened, a cluster of pure white Cirrus Spissatus clouds moved in behind the SC. Puff, the Sport Cub was nowhere to be seen blended right into the cloud. Made a quick turn to try & get orientation. Saw what appeared to be a dark elongated spot. Must be the leading edge of the wing. Down elevator in what I though was a Return-To-Home orientation followed by a spiral. Puff, gone again! Held the down elevator for several seconds, said a prayer and leveled out, saw it for
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Posted by Red.Sneakers | Jul 03, 2015 @ 10:23 PM | 855 Views
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As every new month approaches I always wonder if I will have anything to blog about. Seems something always comes up, either an experience, introducing a new plane or based on feedback from RCG members. The reward for the effort is a PM or post that someone benefited from the blog. I limit myself to an average of 5 blogs per month. I have posted 85 blogs & like to think there is something for members that have a common interest. As the blogs age, it becomes apparent some are more popular than others. Age will kill the number of average community views per month, unless folks find it of value & share it. Best way to review the blogs is come back after the end of a month, scroll down to Archives & click on the previous month to view only the most recent entries. If you find a blog of interest, read & enjoy.

Top 4 Blogs

*** Spektrum Audio Editor ground school, click here ***

*** Flight Log Debrief Reports, click here ***

*** Keep Warm at the Core! U & the Batts, click here ***

*** umx Radian ~ Mods & more ..., click here ***

Posted by Red.Sneakers | Jun 25, 2015 @ 08:09 PM | 2,647 Views

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This discussion is a collaborative effort to develop a set of instructions & summary knowledge base for using the Spectrum Audio Editor for AirWare™ radios. Having it on a blog allows for frequent updates. Go ahead & post your comments. Once they have been incorporated, your post may be deleted with your idea given due credit.

Instructions for Downloading & Installing the Spektrum Audio Editor
================================================== =====
--> Download the Spektrum Audio Edited from here

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--> Save downloaded file to your PC Desktop
--> Double click on the Icon & follow the install instructions
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Posted by Red.Sneakers | Jun 17, 2015 @ 08:45 AM | 1,536 Views

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I present my EasySky Glider 1050mm ES-9909 Aerodone. This plane replaced La Belle Dame which also sported the high wing retro design. Once I get it all sorted out, I hope to mission this plane to take pictures & video during the season.

Overall flight experience is it is fast out of the gate & gets to altitude rather quickly. The glide is good. I have added a flight logger to get some data. It does drop quickly in sink so I would not classify it as a ‘floater’. It will thermal in light conditions. It performs well in breezy conditions.

You may want to also check out the discussion on "Windmilling a Fixed Pitch Prop" plane, click here

It requires up elevator on turns so currently I believe it is nose heavy. More flight testing with different CG points is required to find the “sweet spot”.

The plane was inexpensive during a HK sale, priced at $57, regularly $76 from the US warehouse. As a sub $100 plane, we can expect issues that need to be corrected & adjusted. I consider this part of the journey & allows me to save $ while implementing or learning new techniques.

Here is a summary of my build:

---> First thing out of the gate is that there is no active RCG forum I could find. So basically, I was on my own to figure things out.

---> Second, there is no mention of the CG in the manual. Best information I could find was “90mm from the point of the wing +/- 10mm” or “37mm from the front line”. Never found out what the “
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Posted by Red.Sneakers | Jun 14, 2015 @ 09:42 PM | 1,686 Views

2015 AMA District 2 Warbird RC Fun Fly, Trinca Airport, NJ, USA

click ...Continue Reading for more pictures
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Posted by Red.Sneakers | Jun 12, 2015 @ 07:46 AM | 1,634 Views

Reno P-51 Racer ground school
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I present my Reno P-51 Racer aka Volantex R/C P-51D Mustang. For $59 plug & play, I just had to try it to see what I could learn. The build went very fast. Any issue I had was so minor it is not worth mentioning. First impressions is that it is well build & strong. My multiple attempts to maiden resulted in short flights & multiple crashes with the only damage being the wheels popped off cleanly landing on soccer field grass & 1 broken prop. Changed all three surfaces to 50% rate. Decided to make it belly grass landing aero. Finally got to fly it for 2 ½ minutes with a hot landing but no damage.
Time to reflect & debrief the sorie.

The debrief resulted in a consultation with a retired a Air Force pilot. Here are his comments:

Reference the Reno. If the aircraft can be flown level, hands off, it won’t be a CG problem. Remember, with the Stang (certainly the larger versions), a little nose heavy is a good thing - not a lot though- applied after trimming for level hands off (maybe one click of trim). The Stang needs power up in turns over about 30 or 40 degrees of bank. Try flying at 90% power, rolling into a 40degree banked turn and increase the power a little as it settles in the turn. Again, up elevator will be required in increasing amounts as the bank increases. In a level 60 degree turn, quite a lot of up elevator will be required (remember your vector physics from school!) At 80% of bank, you won
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Posted by Red.Sneakers | Jun 02, 2015 @ 03:06 PM | 1,835 Views

Sport Cub S2 ground school

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The umx Sport Cub S2 has turned out to be a very popular plane. Even won a 1st place award at the expo. Whether you enjoy altitude touring, slope soaring, wind surfing, low flights, indoors or out, it delivers a high Fun Factor for all. While it is rated by E-Flite as ‘intermediate’, a beginner can enjoy the benefits of the design & AS3x after getting a few tips from a mentor or doing their study of the blogs. Expert pilots are amazed by who well it performs. Here are some links for your ground school research.

Build Log: umx Sport Cub S2 =>

Setting up a DX6i ~ images of DX6i screen set up =>

Best method of initially trimming the Sport Cub =>

Secure the Rudder before it's too late =>

Are you an Expert if you fly in Expert mode? =>

Hyperion 550 & Tail Skid =>

Tail Wheel Protection =>

Nothing but weights … =>

Wing Stress Marks =>

Fixing Wings Stress Cracks =>

Seat Belt for 550mAh battery =>

Today's sortie debrief =>

How Many Ways Can You Spiral =>

Video Gallery …=>

Sport Cub S2 gets Altitude Sensor =>

E-Flite 500mah battery =>

Hyperion 550mah battery =>

Keep Warm at the Core! U & the Batts =>

Windmilling a Fixed Pitch Prop =>

Flight Logger, Part I “The Bench Test” =>

Scariest flight ever =>

SAFE Sensor Assisted Flight Envelope from Horizon =>

SAFE video =>

Sport Cub S2 manuals & support =>

Posted by Red.Sneakers | May 16, 2015 @ 12:28 PM | 2,223 Views

LIPO battery ground school

New to using Lipo batteries, need a refresher or want to discover something new, here are links to various blogs with links to forum posts that may be of interest.

* * *
Lipo Voltage Chart, click here
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Keep Warm at the Core! U & the Batts, click here
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* * *
Disconnecting Ultra Micro Batteries, click here
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Posted by Red.Sneakers | May 10, 2015 @ 08:40 AM | 2,294 Views

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I present my first screamer, the umx Habu S DF 180 . I apologize to the purist, but I did not like the hard plastic pointed nose on the Habu with the possibility of spectators around so once the nose broke, I took off the plastic point & rounded the foam. Think it looks ok.

Lesson learned on the maiden flight: The Habu has a delay to get up to full thrust, it is not instant, so one has to manage the speed & lift on arrivals; I fly at a public park, so the Habu is grounded on weekends & mission him only to weekdays after 9am & before 3pm when most folks are at work.

Update: During my maiden flight, the Habu required a lot of up elevator in turns. Today I moved the battery back and it flew extremely well. Several arrivals with no crashes, just a lot of bouncing, lol.

Do a pre-flight check of your switches to assure the proper programming.
Contributed by RCG member TweakRacer
Note that the LED inside the Habu should go to:
-> solid amber for beginner mode & panic mode <-
-> flashing green for intermediate <-
-> solid green for experienced <-

In summary, I am very happy with my first EDF & will surely learn & grow with it.

Reinforce the nose wheel area & other mods, click here

Don't forget to read the manual for concepts that are new to you & programming the Tx, see attachment

join the discussion at RC Groups
=> <=
=> <=
=> <=

My first screamer the umx Habu S DF180 HD (1 min 27 sec)

E-Flite UMX Habu 180 DF Ultra Micro BNF with AS3X Technology Maiden and Review With a Flock of Birds (7 min 24 sec) Review - E-flite® UMX Habu 180 DF BNF Basic with AS3X Technology (13 min 30 sec)

E-flite UMX HABU 180 HD on board video (3 min 11 sec)

Posted by Red.Sneakers | May 05, 2015 @ 07:25 PM | 2,754 Views

So You Want to Thermal, do you
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An RCG member asked me a few questions when he got the umx Radian & wanted to learn to thermal. He thought the response was good for first time pilots to the umx Radian & those wanting to experience thermaling. So here are some of the basics to get you started.

Conditions change during flight, if it starts to porpoise, on the first porpoise encounter, just tap the elevator down to gain some speed. If it continues to misbehave, land it & adjust battery location.

The best conditions for a truly relaxing ride is when you have Nimbus Stratus clouds, there is stillness in the air & the sky is covered in a grayish color. In this condition, you have raising warm air over the entire field, so you will power up & the glide will be almost level no matter where you fly. I love it when I can find it. I have never seen lightning reported with Nimbus Stratus clouds but always check the current lightning radar to be sure as they bring rain or snow.

I agree with not flying close to an airport.

Before you get a strong thermal, go & practice putting it into a spiral & recovering. For the spiral, power off, full rudder / aileron. Be careful as I have had it descend at up to 50 feet per second . Let up on the control to soften the spiral. Recover into the wind or cross-wind pointing it towards you to slow it down. Descend rate will change with conditions. This will be your most
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Posted by Red.Sneakers | May 05, 2015 @ 10:48 AM | 2,247 Views

Why Help Support RC Groups?

If you are reading this, you probably already agree RC Groups is the best RC forum out on the market. So why help support the effort of the team with an annual $49.95 RCG Plus Paid Subscription? Yea, they tell you about the extra emails you can store & the fact that you can do multiple searches with seconds of each other, but who really cares about these features if you not an internet troll, government authority or advertiser wanting to do rapid data mining. Additional features are highlighted on the RCG+ Plus page, click here

I designed global systems in a past life & let me tell you, their design & implementation team is top notch. In today’s world where folks want to expedite everything, these guys have taken the time to design & implement a very versatile system, full of features & options. Oh did I mention they also believe in constant improvement. As reference, I have been known to crash systems on user tests. I have hit the RCG site ‘hard’ as a user & it has not waned once.

RCG has really provided a little bit for everyone, no matter what your interest, skill level or interest. User setting are many & diverse. Forums, too many to list. Blogs are ever changing, bursting with ideas & information. Make Friends with folks that have a common interest, select Friends on the Blog tab & presto, you only see those blogs. Classifies, well you can try to sell or give away almost anything.
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Posted by Red.Sneakers | Apr 21, 2015 @ 03:05 PM | 2,613 Views

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As an RCG member, whenever you read a post from Red.Sneakers you have the right to expect

---> I do not know everything RC

---> I do not know everything about aerodynamics

---> It will be based on my own experiences & opinions

---> It will be researched & tested, unless otherwise noted

---> If I make a mistake or find correcting information, I will go back & adjust my post

---> I believe in the “leap-frog” effect to learning, i.e. I have an idea, you improve it, I improve it, etc.

---> I will learn from others

---> I will share my knowledge

---> I will treat you with professional respect

---> If I am adamantly against something you said, I may PM you privately, do as you wish with it

---> I will take the time to link & cross-link to other sources

---> I will acknowledge the works of others

---> I have over 1400 missions totaling over 250 hours of airtime

---> My self-proclaimed RC pilot certification level is “mid-intermediate”

---> When no one shows any interest in my blogs, I will stop blogging

Why did I post this blog? Because I have found that sometimes when folks have been in a hobby for a long time & become ‘experts’, they forget about their own journey and are convinced they know what is best for the entire community. Subsequently, they don’t treat others with respect. What prompted me to write this blog are a few bad experiences I have had when I joined some new forums.

Overall, my experience with the RCG community has exceeded every expectation. I have learned & improved at a rapid rate. I have made new frineds around the world. Happy to be a contributing & consuming member.

Straighten up & fly right mate!

Posted by Red.Sneakers | Apr 16, 2015 @ 02:38 PM | 2,704 Views

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Fore 2015 my theme is Military & Gliders. Whenever I get a new plane with a rich history I enjoy researching its accomplishments. I am impressed with the EASYSKY B-17 Flying Fortress scale takeoff & landing, the fact it is BNF with AS3x, how well it taxi, battery included, overall quality construction, easy to assemble, detailed livery & last but not least, the fact it has a working rudder plus differential thrust. Kudos to the EASYSKY team. I could not find a pdf online of the manual so I scanned it & attached below.

This morning I was able to run to the Oval for the maiden just before the winds kicked in. The sun orientation was not optimal but manageable. I present the “B-17 Fortress Pilot Validation Trial”. I love the way this plane looks & flies. During the trails I stalled it (unintentional 1:45 in the video) & she recovered all by herself with no bad tendencies. At 2:04 I slowed the video a little to appreciate its flight characteristics & show how it does against a dark background with low light. Mind you, when there is no light source / angle to reflect color back you your eyes, everything will look black.

link to the full scale B-17 Pilot Training Manual
=> <=

more Neat B-17 Stuff!
=> <=

=> least we not forget to read the RC B-17 Manual, see attachment below <=

join the discussion at RC Groups
=> <=

Readers choice. I had to add the sound effects for two bombing runs, it is a bomber after all.
Hope you enjoy the videos.

B-17 Fortress with Bombing Run ~ Pilot Validation Trial HD (2 min 39 sec)

B-17 Fortress Pilot Validation Trial HD (2 min 58 sec)

Posted by Red.Sneakers | Apr 11, 2015 @ 11:16 AM | 3,709 Views
Video Gallery
& links to the build logs
see vimeo for comments on the video

umx Sport Cub Wind Surfing HD
umx Sport Cub Wind Surfing HD (3 min 13 sec)

B-17 Fortress with Bombing Run ~ Pilot Validation Trial HD
B-17 Fortress with Bombing Run ~ Pilot Validation Trial HD (2 min 39 sec)
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Posted by Red.Sneakers | Apr 09, 2015 @ 09:02 AM | 3,118 Views

2014 marked the 75th anniversary of the Spanish Air force.
Festival aéreo internacional Aire 75 was held in October in Madrid, Spain.
Photos courtesy of photographer CarlosF Moscat

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Posted by Red.Sneakers | Apr 04, 2015 @ 09:58 PM | 3,959 Views

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The umx Radian has turned out to be a very popular plane. Whether you enjoy altitude gliding, slope soaring, wind surfing, low flights, indoors or out, it delivers a high Fun Factor for all. While it is rated by E-Flite as ‘intermediate’, a beginner can enjoy the benefits of the design & AS3x after getting a few tips from a mentor or doing their study of the blogs. Expert pilots are amazed by who well it performs.

AS3x ~ Do I really … (read this first if you are new to the world of AS3x)

umx Radian ~ Mods & more ... (most popular)
pm or comment if you think I should add a forum post to this list of links

umx RAD II Sets New Record of 32 min

Increasing Your Fun Factor - umx Radian

umx RAD II

If you are into logging flights, you may also want to check out Flight Logger, Part II “1s Power Mod”

So You Want to Thermal, do you

Flight Log Debrief Reports – 2015
search for " Radian " CTRL+F

"Tell me
...Continue Reading
Posted by Red.Sneakers | Mar 31, 2015 @ 11:32 PM | 6,036 Views

After modifying HobbyKing Altimeter down to an all-up weight of 1.8 gram & powered by the flight battery, I have started to record some flights to learn more about the characteristics of my planes & help me become a better pilot. I will record more flights as the season progresses. They will be posted here, each with a specific question answered, like what is the glide rate, how fast can I loose altitude, why am I floating under Nimbostratus clouds...

Great little Speed Conversion calculator click here
Keep Warm at the Core! U & the Batts click here
Flight Logger, Part II “1s Power Mod” click here
Flight Logger, Part I “The Bench Test” click here
Triangulation Calculator, click here
Join the RCG discussion click here

This blog includes reports for
~ umx Radian ~
~ umx Sport Cub S2 ~
click on images to view larger

~ ~ ~ ~ ~
Sport Cub S2 Stratus 2
Scariest flight ever
Last Spiral 22.9fps / 15.6mph
Flight log from June 12, 2015
click here

~ ~ ~ ~ ~
Sport Cub S2 Stratus 2
Eiffel Tower sortie with 800+ foot spiral
Flight log from May 7, 2015
click here

~ ~ ~ ~ ~
umx Radian
Debrief report on a 13+ min thermal ride
Flight log from April 12, 2015
includes graph
click here

~ ~ ~ ~ ~
Sport Cub S2 Stratus 2
No cam or graph
Debrief report on a 27+ min sortie
Flight log from April 12, 2015
click here

~ ~ ~ ~ ~
umx Radian
Wind Surfing
Max altitude 37 feet
Flight log from April 3, 2015
for video click
...Continue Reading
Posted by Red.Sneakers | Mar 25, 2015 @ 10:14 AM | 4,415 Views

Stagility mode for SAFE equipped planes.... Its not just for quads anymore!
Work of Genius for Dummies
Contribution by RCG member dacaur .
too good not to archive
= = = = =

So having recently gotten a blade 200QX, I have been doing a lot of reading on quads, and stagility mode is something that's come up..... Stagility is a mix of stability, and agility.... Basically it allows you to have full control when you move the right stick (assuming mode 2) but takes you back to beginner/self level mode when you let go of the stick!

So I thought, well, my sport cub S, along with any other plane with SAFE, delta ray, apprentice, super cub S, etc, has self leveling mode, so why cant we use stagility on them?

Well, turns out, we CAN!

I like to fly around in beginner mode, for carefree flying, but like to do stunts too, so I have to switch it to advanced for my stunts, then back to beginner...

Well, not anymore. Now I can fly around, using the rudder to turn, and be in beginner mode, but as soon as I want to to a loop, or lose altitude fast, all I have to do is use the right stick, and its in advanced mode until I let go of the stick, at which point it goes back to self level, all automatically!

Stagility V2 is here, new and improved, no elevator flutter like V1 had....

What this does is use panic mode to give self leveling, then moving the right stick turns off panic mode, and you have full advanced mode until you release the stick, at which point it goes back to self leveling..
...Continue Reading
Posted by Red.Sneakers | Mar 20, 2015 @ 11:48 AM | 4,255 Views

Let’s see if I got this right for setting the timer based on aero / battery performance.

Benchmark data

Note: This only applies under normal operating temperatures, not under cold or extreme conditions. The same battery was used for all tests. Each test started with a just-charged battery full capacity. The objective is to get back to the airport before LVC kicks in.

---> 220 mah = Battery Rated-Capacity

---> 176 mah = Practical-Capacity is 80% of rated (220x0.80)

---> 018 mah = Reserve-Fuel-Capacity is 10% of practical (176x0.10)

---> 158 mah = Target re-fuel at end of sortie (176-18)

Results of Benchmark Test

---> 108 mah = The refueled mah back up to 4.20v after a 5 minute, takeoff, level touring, & landing sortie, the test

---> 300 seconds = 5 minute duration of benchmark sortie (5x60)

---> 0.36 mah = Amount of energy used per second (108/300)


---> 158 mah = Target re-fuel at end of sortie (see above)

---> 0.36 mah = Amount of energy used per second (see above)

---> 439 seconds = Target fuel usage (158/0.36)

---> 7 minutes 19 second = Rated timer setting (439/60 = 7.31 = 7 minutes 31/100 seconds) (60x0.31 = 19 seconds)

---> 30 second = Target return-to-airport allowance after the timer expires

---> 6 minute 49 second = Theoretical timer setting (439 –30)/60 = 6 minutes 82/100
...Continue Reading