PittSpecial's blog View Details
Posted by PittSpecial | Yesterday @ 10:30 PM | 1,488 Views
UPDATE: RE: Carl Goldberg Tiger-2 (Glow-To-Electric Conversion)

Earlier Post on same subject at:

Well, I finally got it right!

As some that have posted warned me, this heavy model just could not fly "or" in other words, I have to thank a higher power for giving me the common sense of NOT horsing this great looking model UP in the air with the weak AXi 2826/10 power system and just 3-Cells! That maiden attempt resulted in some slow speed taxi runs!

Replaced the Electric Power System to the SUPPO 3520/6 (840Kv) and swinging the APC 12 X 8 E propeller while using the 4-Cells, 4,000mAH, 35C, Lithium Polymer Batteries.

I must declare that I was very pleasantly surprised in the manner this model handles itself up in the air. That Long FUSE Boom really allows this model to perform some wicked aerobatics should you decide at the controls. This made it worth while after struggling in trying to get the model's Center-Of-Gravity close to where it needed to be. Again, this model in it's early life flew with the Thunder Tiger .46 Glow Engine and it tipped the digital scale at over 16 ounces. This made things pretty challenging as there was really not enough selections of a Motor with this weight and having respectable (KV) parameters (Revaluations per Volt) to keep the Cell count low.

I decided NOT to remove the Impact Socket underneath the bottom end of the FUSE (Frontal) as it allowed a very good mid-point Center of Gravity with the new power system at 11+ ounces (Including ESC). It is amazing how much weight was required up front to balance this model out. I would say this Carl Goldberg Tiger-2 is very well constructed to say the least.

Okay, here's the Video and if you like to see a LOW Fast Pass then, FAST FORWARD to 6:25 Time Hack! Make sure you select High Resolution !
Carl Goldberg Tiger2 Maiden Flight 11 27 2020 (8 min 30 sec)

Posted by PittSpecial | Nov 25, 2020 @ 03:07 PM | 4,795 Views
My first post of this Glow-To-Electric Conversion can be seen at:

UPDATE: RE: Carl Goldberg Tiger 2, 40-size (61-inch wing span)

Tail Boom Weight Considerations:

Okay, this Carl Goldberg Tiger-2, 40-size must have flown with an internal combustion Engine (Glow) that is at least 12oz. of weight because it has been just Hell in getting the Center of Gravity on the mark even using the older Turnigy 3-Cell, 5,000mAH, 35C, Lithium Polymers (14oz).

The best location I have been able to get for Center-Of-Gravity was 4.5 inches which is way rearward than what the manual says (Tail Heavy). Considering that the Main Landing gear was bend AFT (Rearward) to prevent the model from rotating on ground and most especially to avoid an early rotation on take-off, I would suspect that the Center-Of-Gravity needs to be as close to the specified mark per the manual.

Speaking about the manual it does say I can fly this model with a most rearward Center-Of Gravity of 4-3/8 inches measured from the front leading edge. That is before my 4.5 inches! I have looked and looked for an alternative Brushless Motor (Inrunner or Outrunner) that would at least be a porky of 12 oz. or more but, that retains at least 850 Kv. No such luck.......!

I looked at an alternative to what I have installed and the AXi 2830 that has 790 Kv and has 8.3 oz. of weight but, is just a little over 2 ounces more than my Axi 2826 that...Continue Reading
Posted by PittSpecial | Nov 24, 2020 @ 07:54 AM | 7,013 Views
Hello good people,

It is very strange and amazing that I have acquired a super nice Carl Goldberg Tiger-2 (61-Inch Wing Span) from a nice gentleman locally (Used) and primarily Glow Powered back in April 2013 and it captured my eye saying to myself when in the heck I am going to get this model in the air and most importantly Electric. Well, a few days ago I finally dusted off the model and actually started on this project.

This is where it all started!

This thread is pretty much after the fact as I have already considered several Power Systems and the one that stood out was the Model Motors AXi 2826/10 with 920Kv and Castle Creations Thunderbird 36 (36-AMP). Since this is a Sport Model, I am going for Airspeed and selected the XOAR Glow wood 10 X 7 propeller that will provide a good amount of propeller RPMs using 3-Cells, 2600mAH - 3300mAH Lithium Polymer battery packs.

Glow-To-Electric Design Considerations:

This model has a very long FUSE Tail boom, however, it is not entirely solid balsa / light ply sheet with wood (Coffin) as it does have cut-out contours for weight savings but, it still has a long FUSE tail boom nonetheless. The Main Landing gear has been bent towards the rear which tells me that the model on the ground will try to tip (rotate) rearwards if you don't keep throttle or if it goes over a bump it will tend to sway rearwards as I have seen in other Glow-To-Electric conversions (Yes,...Continue Reading
Posted by PittSpecial | Nov 20, 2020 @ 03:56 PM | 10,288 Views
Hello good people.

For those that might have an old, nine or ten year old laptop and trying to keep it but, has the Windows7 operating system then, no need to trouble your heart and fear not in doing a little research on your computer. As many of you know that Windows7 is no longer being updated by Microsoft for security and other drivers for newer equipment that will be available in the future so, the need to have it running with Windows10 is pretty much a mandatory decision.

Point in fact, I am using the following as an example which is the DELL VOSTRO 3550, a 2011 vintage laptop and it has been with the Windows7 since new. Of course I upgraded it with Windows10 for Free using the Windows software that analyzes the laptop and it came back with YES, you can upgrade and didn't cost me anything. The licensing is ported from the original Windows7. However, once all the install and updates were finished and once on the Windows10 OS, the screen disappeared as soon as the laptop fully came with a desktop (screen disappeared).

In my troubleshooting, I connected an external VGA monitor at the output of the Laptop (most do have a VGA output). Magic, the desktop finally appeared on this external monitor. Here I was able to perform a search for my issue via the DELL website and like magic they had a fix. The fix was to download an application that performs an update on the Computer's System BIOS. BIOS stands for full-Basic Input/Output System, Computer program that...Continue Reading
Posted by PittSpecial | Nov 16, 2020 @ 12:28 PM | 15,153 Views

Here's my two large RC Airplane models.

The one on the Left is of course my 80-3/4 inch wing span Midwest Citabria (Glow-To-Electric Conversion) and on the Right is a most recent acquisition from a local seller, the 3D Hobby Shop Vyper 65 inch wing span.

Both of these models are 6-Cell Lithium Polymer Battery Power Setup. Both have enough batteries for two flights each at any given time visit at the RC Club and I have field chargers for additional flights.

The 2014 Toyota RAV4 carries these two models plus all the gear very well. The Wing Assembly for the Citabria is transported inside the Roof ceiling and held by two bungee straps.
Posted by PittSpecial | Nov 15, 2020 @ 06:44 PM | 17,520 Views
Hello good people,

Finally was able to get Video Recording of the third (3rd) Flight of my 3D Hobby Shop Vyper 65-inch wing span.

I was extremely lucky to find this model locally (Airframe Only) such that I had to thoroughly check all balsa and light plywood joints and hinge control surfaces plus populate Spektrum A8260 High Torque / High Voltage Servos plus a 50mm Outrunner (400Kv) power system with a Castle Creations BEC PRO to power the Spektrum AR8000 + SAT and Servos.

The first two flights were using the Turnigy 5-Cell, 4,000mAH, 35C, Lithium Polymer battery packs and the flight was good for the Maiden and a 2nd flight with a fresh pack but, it was almost at Full Throttle as these are some older battery packs (approximately 3 years old) and granted the cells have developed some increased internal resistance thereby, Propeller RPMs was just not there.

In this Video shows the third (3rd) flight and while using a total of 6 Cells (Two 3-Cells, 5,000mAH in series with another equal identical battery pack) and let me tell you it woke UP this model and attained actual and true 3D flight! OF course, I am NOT a 3D RC Flyer so, most of my maneuvers were SPORT flying and I did command the model to some 3D Hover and it did NOT disappoint.

3D Hobby Shop Vyper 65 inch 6 Cells Flight Impressive 11 15 2020 (7 min 0 sec)

Posted by PittSpecial | Nov 14, 2020 @ 08:32 PM | 19,451 Views
Okay good people!

After two (2) days flying my beloved Midwest Citabria, I finally was able to Video record a flight under heavy windy conditions. This is the 2nd flight for Saturday, November 14th, 2020. Unfortunately, during the first flight, video recording was not successful because the memory card was full. Painfully deleted very old Videos from the Memory Card and was able to successful record the second (2nd) Flight.
On this Video the goal was to break-in some new GEN ACES 3-Cells in series with another new 3-Cells 4,000mAH, 45C discharge Lithium Polymer batteries so, therefore, the Citabria flew with 6-Cells total operational.
Wind was steady, however, on landing the wind quit and I was dead stick. Next time I will have partial throttle.

Midwest Citabria E Flite Power 60 400Kv on 6 Cells and XOAR Glow Wood 14 X 8 propeller 11 14 2020 (4 min 59 sec)

Posted by PittSpecial | Nov 06, 2020 @ 11:59 AM | 27,244 Views
Greetings good people.

It's been just too long! I can't believe it has been (over 4 years) this long and my beloved Midwest Citabria been hanging this amount of time.

Took out the Power System out of my beloved Midwest Citabria to use in a 3DHS Vyper 65.
So, as a replacement, I installed a almost brand new E-Flite Power 60 (400Kv) in my Citabria. It will swing the XOAR Glow wood 14 X 8 propeller using 6 Cells. Commutation will be provided by a brand new E-Flite 60-AMP (ELF11597) without the need for any onboard BEC.

Midwest Citabria E Flite 60 Power 400Kv 6 Cells Watt Meter Tests 11 09 2020 (3 min 7 sec)

While my Citabria was down it needed some attention to bottom end covering from a previous repair many years ago and for some reason this expensive covering turned a different color. Instead of a nice bright white it turned in an ugly translucent tan for this repair area. Sanded the bones down and applied new covering and hope this one does not turn.

The last known receiver that the Citabria flew with was a super narrow band 72-Mhz using a Hitec Electron-6 dual conversion (JR) Receiver and as I recall it was glitch prone at my RC Club so, I took it out and replaced it with the Spektrum AR8000 + SAT. The new AR8000 + SAT has been tested before and extensively with the E-Flite Power 60 for several days now and it is rock solid.

I am keeping the Power Source for this new Spektrum Receiver and servos separate using a separate RX battery (2-Cell, Thunder...Continue Reading
Posted by PittSpecial | Nov 02, 2020 @ 04:50 PM | 26,862 Views
Hello good people!

Whenever testing an Electric Power System, always have a proven and tested Electronic Speed Controller for this purpose and not just any ESC from the Hobby Drawer!

This happened to me when performing a Power System setup for test! I just reached in my Hobby Drawer and got out an old and un-tested E-Flite 25-AMP ESC, perhaps 10+ years old.

Using this E-Flite 25-AMP ESC, the motor (E-Flite Power 60 - 400Kv) exhibited some very strange things like squealing and reversing direction when I placed the throttle back to Null (OFF). It was so loud that I had thought it had a lose magnet or bad bearing!

Got a brand new E-Flite 60-AMP ESC and it now runs super smooth!

Cause: Bad initial (E-Flite 25-AMP) ESC used!

Attached pictures showing the good Test Setup testing my E-Flite Power 60 (400Kv)!
Posted by PittSpecial | Nov 01, 2020 @ 07:56 PM | 29,319 Views
Gals & Guys,

Well, got lucky to acquire one Airframe Only 3DHS Vyper 65 inch wing span in very good condition considering it's age.

This is how I got it!

Anyway, investigated all past posts of what brand and kind of servos everyone have been using for this model and at one point a few used the SAVOX brushless High Voltage Digital Servos at a whopper of $100 US.

The Hitec and some others did offer High Voltage and High Torque but, the servo power setup was still the 3 Pole Cored Carbon Brush and they still demanded a good amount of $$$.

I finally settled with the Spektrum A6380's which offers High Voltage, High Torque and Coreless motor setup for a very reasonable amount of $$. For the amount of one SAVOX, I was able to get four (4) Spektrum A6380 servos and I didn't look back.

I worked a little more than what I am used to for a Used, Pre-Owned model but, that's me as I like to check and re-check all areas of the model and especially the control surfaces and overall airframe structure. The motor is one of the older but, built like a tank outrunner with 398 Kv and it is identical to the E-Flite Power 60 in diameter and length, however, the Hobby King (Formerly UNITED HOBBIES) motor came with a 8mm output shaft.

The actual motor is very similar to this motor back when I purchased it was the Hextronic HXT50-68B by UNITED HOBBIES at the time.
...Continue Reading
Posted by PittSpecial | Oct 30, 2020 @ 12:36 PM | 33,358 Views
Well, all I can say is this is not your typical small RC Foamie Airplane model by any means of the imagination.

If you look closely during the landing phase, Joe targeted the side Grass field adjacent to the Textile Runway and it did pretty good.

Telemetry recorded 141.3 MPH straight and level and 154.2 MPH in a slight dive.

Joe's E Flite V1200 10 30 2020 (3 min 48 sec)

Posted by PittSpecial | Oct 25, 2020 @ 12:32 PM | 34,074 Views
Reporting in..........................

This super early this morning (October 25th, 2020 ) at Central Florida must have been the best weather conditions ever in a long time! Completely Dead Calm and cool temps.

Flew my modified Park Zone Spitfire Mk IX for two (2)_ wonderful flights and the very first one was pretty much alone by my self and before anyone else came to fly at my alternate RC Flying Site. I was able to fly this Spitfire one click below Half Throttle and it was majestic scale flight. Now I understand Why-O-Why I like to lighten all my models as it provides Scale effects and I was able to command the model in super slow level flight.

Second flight was exciting at best because a buddy finally arrived and he and I decided to fly in Formation, however, it turned out into a racing match and guess who passed the other and won? My Spitfire!

Before heading to this alternate RC Flying Site I was able to touch UP the Spitfire model with some acrylic paint(s) and it looks terrific!

Power System: Park Zone 480 (EFLM480BL) (960Kv)
Propeller: Master Airscrew 9 X 7 X 3
ESC: STOCK E-Flite 30-AMP (V2) ESC
Spinner: Dubro 3-Blade Spinner - Black
Batteries : GEN ACES 3-Cell, 1800mAH, 30C Lithium Polymer Packs
Retracts: Recommended E-Flite Retracts
Posted by PittSpecial | Oct 18, 2020 @ 01:28 PM | 40,360 Views
Hello Good people!

Nice and cooler temps here in Central Florida (Orlando, Florida), however, still wearing a T-Shirt!

Glad that I went to my alternate RC Flying Site here in Orlando and found this gentleman with his Opale Paramodels in action!

I recorded and rendered at least three (3) videos from all the videos and still high resolution pictures from my Apple I-Phone 6S-Plus!

Opale Paramodels Hybrid 5 2 Wing 1st Video 10 18 2020 (4 min 13 sec)

Opale Paramodels Hybrid 5 2 Wing 2nd Video 10 18 2020 (4 min 19 sec)
...Continue Reading
Posted by PittSpecial | Oct 11, 2020 @ 01:03 PM | 36,616 Views
Maiden Flight Video of my E-Flite Leader 480!


E Flite Leader 480 Maiden Flight 10 11 2020 (7 min 52 sec)

Posted by PittSpecial | Oct 10, 2020 @ 09:43 AM | 37,256 Views
Well guys!

After perhaps 8+ years of procrastination and waiting, I finally got my E-Flite Leader (used)!

Here is where I got it, from :

It was Airframe only, however, the seller was nice enough to include the metal spacer standoffs for the motor and Hex bolts plus the string to feed the wing aileron servos and the model looks like NEW!

I am a believer of keeping my models light so, I went for recommended E-Flite 480 (1020Kv) and the E-Flite 30-AMP (V2) ESC.

It is so far coming along very nicely and I am in no hurry to get it completed as I am heading right now to the Hobby Store and get some threaded rods and Clevis so, I can adjust the Ailerons much easier. I just like the Clevis method better.

Completed work consists of installing Rudder and Elevator servos (functionally working) and feeding in the aileron servos wires through the wings and of course installing the motor and ESC plus an AR400 DSMX receiver.

The installation of the E-Flite 30-AMP (V2) was tricky as I wanted it to ride below the battery tray and you really needed to have some patience to feed the motor wires in first carefully and at times the ESC twisted and working it with some spare push rods did the trick. This way I have just the battery up on top without any ESC wires in the way.

A few pictures of the progress.
Posted by PittSpecial | Sep 29, 2020 @ 04:34 PM | 37,670 Views

It must have been over one solid year that I have not flown my beloved Park Zone Spitfire Mk IX with the modified Park Zone 480 (E-Flite Number: EFLM480BL) and the Master Airscrew 3-Blade, 9 X 7 X 3 and using the 3-cell, 1800mAH, 30C, Lithium Polymer packs. The ESC bone stock, the E-Flite 30-AMP (V2).

It performed very well considering. I say considering as I attempted a roll and thank goodness it was high up in altitude and I was ready with the rudder! After landing a few minutes later I observed that the Left wing Aileron was not working. As soon as I tapped it with my finger it started working!

Seems like the old lady of the sky will need a remake in paint and Aileron Servos.

More to come and here are a few pictures of early this morning.
Posted by PittSpecial | Sep 27, 2020 @ 11:44 AM | 39,004 Views

As some of you have noticed, I have acquired a cool NAVY T-29 Trojan (1.1m) from a friend here in Orlando, Florida.

The cool factor is it came with retracts!

Of course we are human and about two weeks ago I was performing Cuban-8's a little close to mother Earth and yes, I augured it nose first in the soft grass field at my RC Club. Everyone was shocked saying I never seen you crash.

Well, yes indeed we all do and I continued saying "If you are not crashing then, you are not flying RC!"

Took me about one week, Off and ON working on the model and the only thing new that I purchased was a Brand New STOCK Park Zone 480 motor, now they are going by the E-Flite number ELFM-480BL because as I understand HORIZON is phasing out the Park Zone brand. My point guy over at the Hobby Store informed me that HORIZON just might return the T-28 Trojan (1.1m span) under the E-Flite Brand. Additionally, I replaced the heavy rubber tires back to the larger foam (threaded) tires as this saved the model a whopper of almost three (3) ounces.

Anyway, I have finished re-maiden flight and all completely successful. This time the Cuban-8's were performed a little higher for that brain fart factor. I am getting older.

This following Video was recorded two nights ago making some additional adjustments to the Nose Wheel Retract and Steering Strut along with the nose wheel steering that has a PULL-PULL system. The strut is super stable with the slight angle rearwards (AFT) and it retracts like a dream.

Park Zone T 28 NAVY Trojan with Retracts Adjustment for effective Nose Wheel Sterring 09 27 2020 (4 min 39 sec)

Posted by PittSpecial | Sep 27, 2020 @ 06:00 AM | 39,037 Views

Not everyday you will encounter a Mid-Air collision by two (2) GWS Pico Tiger Moth RC Electric Models sharing the same air-space at the same time and trying to perform Formation Flying! HA!

Two pico GWS Tiger Moths in Formation 09 26 2020 (8 min 50 sec)

Posted by PittSpecial | Sep 27, 2020 @ 02:44 AM | 39,090 Views
Hello good people!

A few months ago I purchased a few E-Flite 480 Brushless motors that came without any X-Mount.

I have searched High and Low and it seems like E-Flite doesn't sell the black metal X- Mounts that come with these motors or at least the smaller "Park" 480's.

Anyway, I went to visit my Orlando, Florida hobby store known as GravesRC and I went to look at their chock full of selections while helpful Mark (at the airplane counter) tried to look for the stock Black Metal X-Mount.

Well, as it turns out, Mark failed to find any separate E-Flite supplied Black Metal X-Mount and was amazed that I found an X-Mount from FMS / RocHobby with Part Number FMMDJ009 that had the identical bolt pattern for my E-Flite Park 480 brushless motor!

I am sharing this just in case some of you run into the same problem.

Posted by PittSpecial | Sep 15, 2020 @ 06:07 PM | 37,905 Views

Park Zone SR 10 Stinson Maiden Flight 09 15 2020 (6 min 20 sec)

First steps of my adventure with this Park Zone SR-10 Stinson model:

Aerodynamic Adjustments to realize for WASH-OUT:

I can't say enough about this model and the results after working all the issues before the Maiden flight which by the way occurred super early this morning. As much as I would like to have done the maiden flight over at my RC Club the realities were simple, super weather conditions (almost dead Calm) and overcast provides a large showing early in the morning at the RC Club.

Therefore, I carefully selected my alternate flying site without the take turns and all the commotion. I wanted to concentrate carefully as to what many have warned me about the insidious Tip Stall, or just STALL, especially when turning the model at very slow speeds.

Let me tell you that BIG Ear-To-Ear smile I had after the few seconds after the model took off. It performed beyond my expectations and most importantly ZERO Tip Stall issues and especially during very slow and tight turns!

Perhaps the following video would not necessarily show the specific very SLOW flight as during the Maiden Flight of which was recorded (1st flight), I did keep some airspeed to anticipate any bad tip stall manners. It was not until the 2nd and 3rd flights (not recorded) that I was able to get very comfortable...Continue Reading