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Search: Posts Made By: H5606
Showing results 1 to 25 of 67
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Forum: "1/2 A" & "1/8 A" airplanes
12-26-2023, 08:56 AM
Replies: 89
Views: 27,461
Posted By H5606

As soon as the engine sagged and lost rpm, it...

As soon as the engine sagged and lost rpm, it seemed any altitude gained was lost a hurry and then my tight turn at the end really did it in.

Can't reproduce any binding of controls with simulated...
Forum: "1/2 A" & "1/8 A" airplanes
12-22-2023, 06:45 PM
Replies: 89
Views: 27,461
Posted By H5606

Late posting of flight #5 - A lot of video...

Late posting of flight #5 -

A lot of video is trimmed but flight intact; not sure if leaving preliminary narration is desired here either but helps recount useful info easily forgotten.
...
Forum: "1/2 A" & "1/8 A" airplanes
08-29-2023, 11:57 AM
Replies: 89
Views: 27,461
Posted By H5606

Another thought regarding complete or incomplete...

Another thought regarding complete or incomplete folding of the airplane -

The tail section is light in comparison to the nose and has surface area between the fins.

Since the airplane folds up...
Forum: "1/2 A" & "1/8 A" airplanes
08-27-2023, 03:08 PM
Replies: 89
Views: 27,461
Posted By H5606

Added thoughts: Out-of-focus area on...

Added thoughts:

Out-of-focus area on previous video is oil smudge on lens -

It's paramount that the airplane folds completely before initiating any rotation, perhaps with an initial flat blade...
Forum: "1/2 A" & "1/8 A" airplanes
08-25-2023, 03:23 PM
Replies: 89
Views: 27,461
Posted By H5606

Fourth flight was a great improvement but it's...

Fourth flight was a great improvement but it's not quite there yet...

Discussion and some changes on the same day (last Friday):

3rd flight showing the airplane turning right with left stick...
Forum: "1/2 A" & "1/8 A" airplanes
08-24-2023, 04:42 PM
Replies: 89
Views: 27,461
Posted By H5606

Optimistic that it is better based on some...

Optimistic that it is better based on some cursory tach numbers from different props on similar engines for comparison.

Two more flight tests last Friday -

Third flight using a 5X3 nylon Cox...
Forum: "1/2 A" & "1/8 A" airplanes
08-24-2023, 07:44 AM
Replies: 89
Views: 27,461
Posted By H5606

Re-engined with a TD and grateful to receive it...

Re-engined with a TD and grateful to receive it from a modeler's estate -

...
Forum: "1/2 A" & "1/8 A" airplanes
08-23-2023, 04:55 PM
Replies: 89
Views: 27,461
Posted By H5606

Flight #2 video footage from two years ago - ...

Flight #2 video footage from two years ago -

Appears as classic case of attempting to lift a wing close to stall with more aileron stick input accelerating the stall on that side...
...
Forum: "1/2 A" & "1/8 A" airplanes
06-20-2021, 11:14 AM
Replies: 89
Views: 27,461
Posted By H5606

Dejection

Flt #2 Bluff:

-Airplane crash following launch

Details:

Made changes to both pitch and especially roll - dual rate values - to bring them all closer to 100% travel extremes with 10-15% expo....
Forum: "1/2 A" & "1/8 A" airplanes
06-18-2021, 09:11 AM
Replies: 89
Views: 27,461
Posted By H5606

Thanks, yes - I consider it 25% success at this...

Thanks, yes - I consider it 25% success at this point.

What I'm thinking too - since its flying, keep it simple: more power and more roll control -

Thoughts of changing amount of down thrust,...
Forum: "1/2 A" & "1/8 A" airplanes
06-18-2021, 08:24 AM
Replies: 89
Views: 27,461
Posted By H5606

More details: The airplane balance point...

More details:

The airplane balance point matches the chuck-glider's C/G - even favoring thoughts of erring on nose heavy side with a full tank.

The engine had at least three, 2 oz. tankful's...
Forum: "1/2 A" & "1/8 A" airplanes
06-17-2021, 06:11 PM
Replies: 89
Views: 27,461
Posted By H5606

Bluff: -The airplane flew- - A conversion...

Bluff:

-The airplane flew-
- A conversion for auto recovery was not attempted-

Details, notes, observations:

Flight lasted about 2 minutes 20 seconds. Amazing how time seems to slow down...
Forum: "1/2 A" & "1/8 A" airplanes
05-09-2021, 01:30 PM
Replies: 89
Views: 27,461
Posted By H5606

Can't access my original YT account and opened a...

Can't access my original YT account and opened a new one to demonstrate planned control functions and get vid uploads sorted out.

The 'X' measures 27" tip-to-tip square and called that dimension...
Forum: "1/2 A" & "1/8 A" airplanes
04-26-2021, 02:40 PM
Replies: 89
Views: 27,461
Posted By H5606

The airplane all-up weight after covering is...

The airplane all-up weight after covering is 24.85 oz. -
Each wing panel is 15" span with a 4" chord and the center section measures 4" square, so calling wing area 250 square inches - divided by...
Forum: "1/2 A" & "1/8 A" airplanes
04-25-2021, 01:33 PM
Replies: 89
Views: 27,461
Posted By H5606

Finished base covering process with nose and...

Finished base covering process with nose and looked at trim scheme -

https://cimg9.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/308x231/img_4411_3c599ff7ff00e2d48ced1fbe52990a0933f5c245.jpg
Heat...
Forum: "1/2 A" & "1/8 A" airplanes
03-27-2021, 10:47 AM
Replies: 89
Views: 27,461
Posted By H5606

Continued covering process - aft fuselage -...

Continued covering process - aft fuselage - covered inside corners first, interior flats, then exterior, and top last.

...
Forum: "1/2 A" & "1/8 A" airplanes
02-28-2021, 03:04 PM
Replies: 89
Views: 27,461
Posted By H5606

Opening up the end-grain block supporting the...

Opening up the end-grain block supporting the carbon spar tubes at the intersection for the two that butt up against the single continuous length tube while maintaining alignment done by wrapping...
Forum: "1/2 A" & "1/8 A" airplanes
01-03-2021, 09:13 AM
Replies: 89
Views: 27,461
Posted By H5606

Calling the airframe complete sans covering - ...

Calling the airframe complete sans covering -

The center section cover/hatch was not remaining flat with the original, ply/balsa sandwich, so another 1/64" skin was added above the balsa with...
Forum: "1/2 A" & "1/8 A" airplanes
11-03-2020, 09:24 AM
Replies: 89
Views: 27,461
Posted By H5606

Thanks! Amongst other concerns in this...

Thanks!

Amongst other concerns in this unchartered territory (for me), a new one cropped up recently while talking with an engineer - that being the full flying surfaces pivoting at the 1/2 chord...
Forum: "1/2 A" & "1/8 A" airplanes
11-02-2020, 05:47 PM
Replies: 89
Views: 27,461
Posted By H5606

A program request for the desired mix and...

A program request for the desired mix and conditions was placed in the radio forum and thanks to Andy Kunz, a Spektrum development engineer that answers lots of questions, he set me up with a program...
Forum: "1/2 A" & "1/8 A" airplanes
09-22-2020, 04:40 PM
Replies: 89
Views: 27,461
Posted By H5606

The servos were used to locate the 3/16" ply...

The servos were used to locate the 3/16" ply balsa mounts - four bonded to the walls of the distribution center section and four to the floor. 1/8" balsa spacers set the height of the servos from the...
Forum: "1/2 A" & "1/8 A" airplanes
09-21-2020, 04:44 PM
Replies: 89
Views: 27,461
Posted By H5606

Endplate patterns were fashioned from 1/8" ply...

Endplate patterns were fashioned from 1/8" ply pieces pinned together and a slot wide and deep enough to capture servo mounting tabs was cut and filed into them. The balsa blanks were sandwiched...
Forum: "1/2 A" & "1/8 A" airplanes
09-19-2020, 09:04 AM
Replies: 89
Views: 27,461
Posted By H5606

Using the stiff music wire pull/push rods seen in...

Using the stiff music wire pull/push rods seen in above post, the action didn't work well with lots of binding issues trying to get rotary motion to translate into linear motion for the release...
Forum: "1/2 A" & "1/8 A" airplanes
08-16-2020, 03:37 PM
Replies: 89
Views: 27,461
Posted By H5606

A .155" hole was drilled in drill block to hold...

A .155" hole was drilled in drill block to hold release pins for master hinge knuckle while drilling. Pins were drilled out for .047" wire and checked for trueness then roughed-up wires bonded in...
Forum: "1/2 A" & "1/8 A" airplanes
08-08-2020, 04:22 PM
Replies: 89
Views: 27,461
Posted By H5606

Haste makes waste - rushing the project resulted...

Haste makes waste - rushing the project resulted in overlooking an essential requirement and that is to get wiring from the flying/control surfaces in the control distribution center section to the...
Showing results 1 to 25 of 67
 
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