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Search: Posts Made By: pmullen503
Forum: Events, Shows and Fun Fly's - Electric Airplanes 11-26-2014, 08:12 PM
Replies: 13
Views: 195
Posted By pmullen503
It DID happen this year at the EAA fly in!

It DID happen this year at the EAA fly in!
Forum: Scratch and Kit Built Aircraft 11-20-2014, 09:45 PM
Replies: 72
Views: 1,624
Posted By pmullen503
Extruded or expanded polystyrene will be much...

Extruded or expanded polystyrene will be much easier to work with.

Now that you can cut your own wings you'll realize the possibilities that skill gives you.
Forum: Power Systems 11-17-2014, 09:03 PM
Replies: 29
Views: 431
Posted By pmullen503
I would cut slot in the foam and inlay a piece of...

I would cut slot in the foam and inlay a piece of plywood (parallel to the motor mount) as far back from the firewall as my longest screws would reach. Then glue in the plywood and run my screws...
Forum: Scratch and Kit Built Aircraft 11-13-2014, 02:36 AM
Replies: 59
Views: 971
Posted By pmullen503
Let it as is, that might at least save the servo...

Let it as is, that might at least save the servo and mount. If you had a piece of wood that the strut went through, and let that take any fore and aft or side forces, that might beef it up enough. ...
Forum: Scratch and Kit Built Aircraft 11-12-2014, 04:10 PM
Replies: 59
Views: 971
Posted By pmullen503
Clever. The gear will probably rotate backwards...

Clever. The gear will probably rotate backwards in the servo adjusters on a hard landing. Might work, but make it so you can change it if it doesn't.
Forum: Off Topic Chit Chat 11-06-2014, 02:14 PM
Replies: 15
Views: 304
Posted By pmullen503
Good job! I've fixed nearly every major...

Good job! I've fixed nearly every major appliance I have at one point or another. Probably saved thousands over the years.
Forum: Scratch and Kit Built Aircraft 10-29-2014, 08:36 PM
Replies: 23
Views: 556
Posted By pmullen503
Really nice.

Really nice.
Forum: Power Systems 10-29-2014, 08:33 PM
Replies: 24
Views: 409
Posted By pmullen503
If it were mine I'd go with regular flaps in the...

If it were mine I'd go with regular flaps in the scale positions. Split flaps are good for adding drag to slow down a model quickly when landing but regular flaps are better at providing more lift...
Forum: Scratch and Kit Built Aircraft 10-29-2014, 03:42 PM
Replies: 72
Views: 1,624
Posted By pmullen503
I'm on the road right now or I would send you a...

I'm on the road right now or I would send you a photo, but I've used a piece of copper wire epoxied to my template as an "on ramp".

RE. hand guided cutting. I have had some success cutting highly...
Forum: Power Systems 10-29-2014, 03:22 PM
Replies: 24
Views: 409
Posted By pmullen503
Does it have flaps? Flaps will get your landing...

Does it have flaps? Flaps will get your landing speeds down easier than trying to take weight off of an already built model.
Forum: Scratch and Kit Built Aircraft 10-28-2014, 05:09 AM
Replies: 83
Views: 3,251
Posted By pmullen503
Still messing with the %#&$ gear doors when I...

Still messing with the %#&$ gear doors when I left! I've been away on business for a couple weeks but I'll be home in a another week and back to work. I've decided to use a servo for the nose gear...
Forum: Power Systems 10-27-2014, 05:06 AM
Replies: 24
Views: 409
Posted By pmullen503
Your problem here is a very high >30 oz/ft^2 wing...

Your problem here is a very high >30 oz/ft^2 wing loading. This gives a high stall speed of around 30 mph (if I interpret your numbers are correctly.) That is causing the warnings from Motocalc.
...
Forum: Scratch and Kit Built Aircraft 10-27-2014, 04:49 AM
Replies: 72
Views: 1,624
Posted By pmullen503
A house dimmer to a 24VAC transformer at your...

A house dimmer to a 24VAC transformer at your local home center will work fine for a bow up to around 30" and will be much safer than 120V AC. You'll need one rated for HVAC, not just a doorbell.
Forum: Foamies 10-27-2014, 04:44 AM
Replies: 14
Views: 587
Posted By pmullen503
Styrospray needs moisture from the air to cure,...

Styrospray needs moisture from the air to cure, so thin layers work best. It's definitely not like an epoxy that will cure inside a mold.
Forum: Scratch and Kit Built Aircraft 10-26-2014, 07:17 AM
Replies: 72
Views: 1,624
Posted By pmullen503
I like to use separate upper and lower templates...

I like to use separate upper and lower templates for root an tip ( 4 templates in all). That way you can have nice gentle on and off ramps for the wire. I cut from LE to TE because the LE is usually...
Forum: Scratch and Kit Built Aircraft 10-22-2014, 04:30 AM
Replies: 72
Views: 1,624
Posted By pmullen503
Been there, done that, but my brushed ESC is only...

Been there, done that, but my brushed ESC is only good to about 14V and I needed over 40V in that set up.

But if you have that laying around, you can build a respectable (if somewhat short) set up...
Forum: Scratch and Kit Built Aircraft 10-21-2014, 02:36 PM
Replies: 72
Views: 1,624
Posted By pmullen503
I needed a really long (>50") bow to cut some...

I needed a really long (>50") bow to cut some wings but didn't have a suitable power supply. I connected 4 3s lipos in series and through a combination of the right wire diameter and length I found...
Forum: Support & Suggestions 10-20-2014, 02:27 AM
Replies: 23
Views: 439
Posted By pmullen503
I'm gonna vote for Aloft Hobbies. I got one of...

I'm gonna vote for Aloft Hobbies. I got one of the early Taranis Tx's. Wayne frequently went "above and beyond the call of duty" to support us early adopters.
Forum: Scratch and Kit Built Aircraft 10-19-2014, 12:23 AM
Replies: 68
Views: 6,154
Posted By pmullen503
Soooo Sweet!

Soooo Sweet!
Forum: Electric Ducted Fan Jets 10-01-2014, 10:17 PM
Replies: 29
Views: 1,275
Posted By pmullen503
Good looking airplane for just a "proof of...

Good looking airplane for just a "proof of concept" airframe. Looks reasonably robust too which is good.

I did a Do-435 semi profile to test prop plus edf once. It broke in half on the maiden!
Forum: Scratch and Kit Built Aircraft 10-01-2014, 04:54 PM
Replies: 26
Views: 707
Posted By pmullen503
Tough choice indeed. It's nice that both are...

Tough choice indeed. It's nice that both are fairly unconventional planes.
Forum: Scratch and Kit Built Aircraft 10-01-2014, 04:50 PM
Replies: 83
Views: 3,251
Posted By pmullen503
That's a great idea about putting the steering on...

That's a great idea about putting the steering on the aileron channel, I never thought of that.

You can actually run open source firmware on your computer to try it out without even having a...
Forum: Scratch and Kit Built Aircraft 09-30-2014, 05:51 PM
Replies: 83
Views: 3,251
Posted By pmullen503
Nope, sadly this will not fly by the contest...

Nope, sadly this will not fly by the contest deadline. I hope to get it airborne before the snow flies and finish it up over the winter.
Forum: Scratch and Kit Built Aircraft 09-30-2014, 02:00 AM
Replies: 83
Views: 3,251
Posted By pmullen503
I'm running OpenTx firmware on a Frsky Taranis. ...

I'm running OpenTx firmware on a Frsky Taranis. Just about anything you can think of can be programmed in. Gear door sequencing in the Tx was one of the reasons I went to open source firmware a...
Forum: Scratch and Kit Built Aircraft 09-29-2014, 07:07 PM
Replies: 83
Views: 3,251
Posted By pmullen503
More work on the nose gear. I don't know what...

More work on the nose gear. I don't know what version I'm on now but the first few iterations didn't work. I had planned to use some nice "flaps" style hinges but they don't work well if the surfaces...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 09-26-2014, 05:15 PM
Replies: 35
Views: 792
Posted By pmullen503
I still have my 6DXi and recently got to help a...

I still have my 6DXi and recently got to help a newbie program his new DX6. It's a nice radio. Many of the DX6i's programming quirks have been addressed. I prefer my old 6DXi's feel but that could...
Forum: Scratch and Kit Built Aircraft 09-26-2014, 01:28 AM
Replies: 83
Views: 3,251
Posted By pmullen503
I actually used some crappy old 20 min epoxy. It...

I actually used some crappy old 20 min epoxy. It was very hard to work with. The mold is still pretty flexible, hence the FFF frame around it. The actual part was made with polyester resin which...
Forum: Scratch and Kit Built Aircraft 09-25-2014, 04:40 PM
Replies: 83
Views: 3,251
Posted By pmullen503
I made the gear door blank from 3 layers of 6 oz...

I made the gear door blank from 3 layers of 6 oz cloth and polyester resin. I ran into problems making the cut out for the nose gear. Things were not where I thought they would be. I traced the...
Forum: Scratch and Kit Built Aircraft 09-24-2014, 09:12 PM
Replies: 83
Views: 3,251
Posted By pmullen503
Nose gear doors. I since I kinda destroyed...

Nose gear doors.

I since I kinda destroyed the fuselage I'd made for plugs when I made the nose cone, I had to use the second fuselage to make the mold. That meant I couldn't wax and PVA the...
Forum: Scratch and Kit Built Aircraft 09-24-2014, 09:07 PM
Replies: 83
Views: 3,251
Posted By pmullen503
I saw the post of course, and I just so happened...

I saw the post of course, and I just so happened to have gotten a decent keychain camera this winter. So I may just strap it on the '219 and take up for some video.

This has been a good...
Showing results 1 to 30 of 500

 
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