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Posted by rab | Dec 15, 2015 @ 09:52 PM | 1,467 Views
Having spun my previous model of this plane into the ground this spring I decided to build a new copy, this time with depron. This is it. After the first flight I went ahead and added some lettering.

There are more test flights ahead to sort out the trim and flight envelop.

The colors should be an approximation of the initial color scheme of 1934. I've been surprised to find two youtube videos of the original aircraft in the air. see https://youtu.be/wlVlRlCoBJ0?t=259 from 1934 and https://youtu.be/wauuFGyPoME?t=44 from 1939.

My previous threads:

- Allen

PS: sadly I won't be sorting out the flight envelop of this plane any time soon.
Posted by rab | Dec 06, 2015 @ 09:41 PM | 1,789 Views
I was able to get out an fly this afternoon, good conditions calm 50ish. Remaidened my SU26. (the motor mount had come apart due to a bad landing) On the rebuild I put in more down thrust since it did not have enough before it broke. It took a couple of flights to get it dialed in again.

And having just finished a new copy of the GeeBee R6H QED, it was maidened today. The first flight was a bit challenging as it needed some trim and I did not like my propeller choice. The second flight went much better the trim was not perfect but much better. And on the second flight the landing was much more under control.

- Allen
Posted by rab | Sep 21, 2014 @ 03:53 PM | 2,033 Views
Spent an enjoyable morning at PGRC. Some flying some chit chat. The maiden flight of my Dragon Rapide went flawless, just about the only thing on that plane that has gone flawless. Note the flaws are due to me, I should have picked a simpler kit for my first stick build. Anyway it flew very well. Another guy with a roadster about twice as old as mine showed up to check out the field. Early morning was still, as the morning went on some light termals formed. Might have been a good day to fly the glider. But I choose not to bring it because fitting the Dragon in the car is challenging, not so much because of it's size but because of its fragility.
Posted by rab | Dec 27, 2013 @ 10:26 PM | 2,773 Views
Instead of putting this elsewhere I thought I'd try putting it on my blog. I know there are a bunch of other treads on this plane. I've found the other threads useful and encouraging, so hopefully someone else will benefit from this one.

A couple of years ago now I received this kit for Christmas. Since I'm in a spell where I can not get out and fly much but I can find time to build it was time to start this. I've built a few balsa planes but not many, so far this is much the most challenging, I'm enjoying it. I've made a number of minor blunders - or at least they seem minor now. I'm not sure how I am going to do the gear do I build up some a-frames or do I follow the plans? I guess I'll build the gear per the kit and then see.

I'm not sure how I'll do the aileron hinges or why I should wait till final assembly to do them. I would typically use some house wrap. That is how I've hinged the rudder.

I am planning to use 1300kv blue wonders for motors with 6a plush esc's and a 7x6 gws prop.

I'd love to try shaping a pair of props for this plane, we'll see... I'd also like to make some lego style people to put in the plane. And I'd like to put a light kit on it. But I probably won't since this plane clearly needs to be light.

I am currently planning a dark green and cream color scheme, but again that is a month or two into the future.
Posted by rab | Dec 27, 2013 @ 09:39 PM | 2,326 Views

SU 26 um
Beast um
Bat Wing Gee Bee
Blade 120

Battery for the had heli expired no real flights from it.

Bat Wing Gee Bee had motor mount issues, I did not fly it.

Beast um flew well twice, third flight it got tail ended by a T28 I think. The prop cracked.

The SU 26 flew perfectly every time.
Posted by rab | Nov 03, 2013 @ 11:33 AM | 2,225 Views
PGRC 0900 1300

SU26m 480


Very nice weather. Noticing how the Orange gyro makes the rolls a bit jerky. Looped the HK450 for the first time in a while.
Posted by rab | Oct 21, 2013 @ 08:37 PM | 2,821 Views
PGRC 14:00 17:00

SU26m 480


Another pleasant day, flew everything at least once. The M20 only once, it is too weak for it's weight. The other three were flown four or five times each. I'm getting used to how the Orange Gyro RX initializes, you have to watch it sometimes it does not come up right - then any input will cause the rudder to twitch in one direction.
Posted by rab | Oct 14, 2013 @ 08:51 PM | 2,933 Views
PGRC 14:30 17:30

SU26m 480


Flew everything at least once. Very pleasant weather. On some flights something funny happens with the SU26m - I am putting it up to the Orange RS3X for the moment. For some reason early in some flights the plane wants to roll right. After a minute or so in the air it seems to straighten out?
Posted by rab | Sep 29, 2013 @ 09:04 PM | 2,881 Views
PGRC 8 - 12

SU26m 480
HK 450

Flew the SU26 four times this morning. Gaining a bit of confidence with it again. It is much more stable even without the orange stabilizing receiver. I have to think rebuilding the motor mount helped. New pack's help - I've been flying with the quantum telemetry unit. Nice to bring the SU26 home without anything that needs fixing.

Flew the Infinion also four times this morning. As always very nice to fly.

Light lift for the Radian, made no real thermal assents today.

Becoming more comfortable with the HK450 again.
Posted by rab | Sep 25, 2013 @ 06:00 PM | 2,869 Views
PGRC 8:30 - 12:00

SU26m 480
HK 450

Flew several packs through the SU26m. I have it setup for 4S 1300mah packs. But the two packs I have are failing so I put my Quantum on it to day. In both packs cell 2 is failing. On my last flight the plane decided it needed to roll to the right. There is a warp in the rudder that can be causing this problem, but I had trim compensated for it on the first three flights, why did it change on the fourth flight? Did the orange gyro receiver mess up?

Dr1 flew well, Radian too. I could find little bits of lift but nothing sustained. The heli I am getting more comfortable with again.
Posted by rab | Sep 22, 2013 @ 01:55 PM | 2,665 Views
PGRC 9 - 12:30

SU 26M 480
DR 1
M 20
HK 450

Still at 9 breeze by 10.

On the SU increased gain on orange gyro receiver, the resulting stability was nice, espcially since the breeze was variable. Now to sort out batterys. The 1300 4s batteries are near shot. I combined a pair of 1600 2s batteries which worked well now that the gyro helps landings the added weight can be tollerated. The 4s batteries are both having weak cell issues.

The HK 450 is much more pleasent to fly than the flybarless 450 with tail servo issue.

The spinner on the M20 needs reworking.
Posted by rab | Sep 11, 2013 @ 08:14 PM | 3,094 Views
At PGRC this morning:
  • Infinion
  • Dr1
  • M20
  • Radian
  • EXI 450

On the Infinion I am finding that it wants to nose up when inverted, which is making extra work on inverted Cuban 8s.

The pro's really showed me up on light lift. I found some and a bunch of buzzards showed up, they were able to gain a lot of altitude where I really struggled. I was also surprised to see and hear a black buzzard make few major swooping maneuvers.

Part of the head came loose on the 450, it hit medium hard. And I had just decided I needed to replace the tail servo. Guess I'll be buying a bunch more 450 parts.
Posted by rab | Apr 23, 2011 @ 09:01 PM | 3,387 Views
I have an SE5a from PJMass plans that I liked. I have a 4site that I like but find rather fragile. I've seen the treads on ghost planes and like the look - so - I decided to bash PJMass's plans into a UM ghost type. That was January. I thought about using foam or balsa and this time decided to use balsa. It was never going to be a quick build but work has been totally nuts since some time in the fall. I'm hoping the 4site gear will fly it, we will see how much heavier it turns out.

After that - a simpler larger profile-ish Ambrossini ss4 to work around the torque role issue - an IAR80, and some glider rebuilds, and lots of maintenance on the planes that I fly now.

Here is an image of the skeleton/ghost SE5a in progress.

- Allen
Posted by rab | Mar 27, 2011 @ 01:27 PM | 3,474 Views
Yesterday turned out to be a very nice one for flying. I just bought a Radian from a friend and was keen to fly it for the first time. The winds on the field were variable in a way that I've often thought meant lift. I flew a several packs to get used the Radian. Twice on one flight I got lucky and entered a thermal. I was circling and noticed that the plane was getting pretty small and decided I should dive out. And then I reentered the thermal and did it again. Subsequently I transited plenty of thermals but was not able to ride any of them.

- Allen
Posted by rab | Apr 17, 2010 @ 11:42 AM | 4,547 Views
4.5 oz, 20in wing span, 10gram brushless out runner, gws 7x3.5 dd prop.
Posted by rab | Apr 15, 2010 @ 07:25 PM | 3,515 Views
A friend of mine at work uses the adage 'what is the stupidest thing it could possibly be, start there' when trouble shooting, I find I should use it more often than I do. I've not been too satisfied with my GeeBee QED; it has had a tendency to pitch down at frequent but irregular intervals. Not severely down but it happens often enough to make you feel like you are fighting to keep the plane in the air. Since this is an EPP plane I was thinking the issue was due to the wings flexing sometimes. For some reason today I decided to try moving the CG a bit farther forward. So I added two quarters and two nickels to the cowling. And voila the plane is now stable.

The little Miles M20 is now flying well. Something about this plane, probably it's size, makes it of interest to the local crows. Twice now they have flown over to harass it.

- Allen
Posted by rab | Mar 29, 2010 @ 11:10 PM | 4,118 Views
Assembly & Diss-assembly.

The metal head for the HK450 does not seem like any major improvement to me.

The Miles M20 is coming together now. Looks like it will weigh in at about 4.5 oz with a 20 in wing span. So I'm guessing this will not be real slow. The empty glide tests were I checked the CG placement were fabulous, so if i have the flight controls right it should fly well. I'll post a picture of it sometime soon. I'll also have to post a picture of my DR1 again now that it has a pilot.

Sunday I made myself the opportunity to put a new fuse on my Infineon. I Probably can and will patch this one back together again, but I'm thinking it is about time to fix the fixes.

- Allen
Posted by rab | Mar 05, 2010 @ 10:35 PM | 4,183 Views
Progress on repairs. The HK 450 is back together. I'll need a few more flights on it to get it tuned. Repairs to the DR1 are near done, and I am working on it's pilot again, it'll be done again in a few more days. So I a far enough along that I am planning my next build(s). I am planning a Miles M20 and an Ambrossini SS4. I'm planning 18/20 inch wings hoping to get the weight at 4oz. I've just finished the M20 drawing so the next step is printing.

- Allen
Posted by rab | Feb 19, 2010 @ 09:08 PM | 4,339 Views
Yeah I had to change the colors a little. Allen
Posted by rab | Jan 24, 2010 @ 10:31 PM | 4,139 Views
It is that time of year. I've mostly finished putting the HK450 back together. But while setting up the collective I noticed that the pitch servo has a gear issue, it jumps a bit at one spot.

I decided to turn a holiday gift certificate into a parkzone su26. I've flown it twice, it does what I wanted it to. I hear some beeping I'll have to search for what that means, and since I broke a prop on the first flight I am sure I'll need more. I have it in my head that I want to change it's colors, but it would be foolish to add any measurable weight...

I've made a superslofly 28. I made it with 9mm 1.9 weight EPP. I am thinking that lighter would be to my liking so I'll see what I can do.

My poor DR1 has been languishing with broken landing gear, I'm feeling an urge to get it back together. I am also thinking that I should build a replacement using the techniques from my QED build and being a bit more careful about weight. Because again I'd like to see it able to slow down a little more.

- Allen