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Search: Posts Made By: nuteman
Forum: Delta & Flying Wings 09-17-2014, 08:51 AM
Replies: 35
Views: 889
Posted By nuteman
Ohhhh, only 24" span with 8 x 4 prop :concern: No...

Ohhhh, only 24" span with 8 x 4 prop :concern: No wonder you were torquing with power.
Forum: Delta & Flying Wings 09-13-2014, 09:13 PM
Replies: 35
Views: 889
Posted By nuteman
I strongly suspect you're dealing with...

I strongly suspect you're dealing with asymmetrical lift due to build imperfection (warped foam, whatever). One way to tell is to remove the motor torque from the equation by doing a glide test. If...
Forum: Scratch and Kit Built Aircraft 09-12-2014, 09:43 AM
Replies: 0
Views: 108
Posted By nuteman
Flight of vectored thrust delta with takeoff/landing on runway

So I decided to throw on a nose-wheel and rear center-skid.
This gives a perfect take-off AOA for runway take-offs.
A couple of rolls and one loop are captured here too,
The camera guy filming was...
Forum: Scratch and Kit Built Aircraft 08-18-2014, 10:17 AM
Replies: 16
Views: 570
Posted By nuteman
Another thing that affects the decision of...

Another thing that affects the decision of minimal acceptable thrust:
Will you be hand launching?
Where I fly at most of the time, that is the only option.
For hand launching, the minimal...
Forum: Scratch and Kit Built Aircraft 08-15-2014, 08:14 AM
Replies: 16
Views: 570
Posted By nuteman
Great you're doing this for your dad. The...

Great you're doing this for your dad.
The electronics/motor/prop won't be an issue. I've found that the Turnigy D2836/8, 1100 kV, running a 10 x 4.5 prop with plain-vanilla 30A ESC works great and...
Forum: Scratch and Kit Built Aircraft 08-14-2014, 03:22 PM
Replies: 7
Views: 412
Posted By nuteman
If you're not concerned with looks and/or perfect...

If you're not concerned with looks and/or perfect symmetry, you can pretty much endlessly repair these planes.
The key to success is to remove the tape/paper/glue that's messed up before starting...
Forum: Foamies 07-06-2014, 10:58 AM
Replies: 68
Views: 4,791
Posted By nuteman
Haven't been here in a while. I'm more...

Haven't been here in a while.
I'm more interested in what a plane can do than what it looks like and getting an unusual idea (not necessarily new idea) implemented and working fairly well.

This...
Forum: Delta & Flying Wings 03-05-2014, 12:17 PM
Replies: 20
Views: 2,084
Posted By nuteman
Yeah, they look about double the size they need...

Yeah, they look about double the size they need to be. So you'll reduce weight by cutting those down, which will improve wing loading, which will lower stall speed.
Forum: Scratch and Kit Built Aircraft 12-03-2013, 02:04 PM
Replies: 48
Views: 4,744
Posted By nuteman
You know, I hear more and more people saying...

You know, I hear more and more people saying this. I thought I was imagining the difference because I like real airfoils. Supposedly, at model Reynolds numbers the difference is negligible for glide...
Forum: Scratch and Kit Built Aircraft 12-03-2013, 01:20 PM
Replies: 48
Views: 4,744
Posted By nuteman
Ahhhh, now I understand. I thought all the...

Ahhhh, now I understand. I thought all the previous weight mentions were WITH battery, and I was wondering how you got it to be so darn light for a 40 inch wingspan conventional layout (and wondering...
Forum: Scratch and Kit Built Aircraft 11-21-2013, 11:04 AM
Replies: 1
Views: 275
Posted By nuteman
Nice work. I've heard good things about that...

Nice work. I've heard good things about that plane, but like my scratch design/built biplane, it probably has a horrendous glide ratio (all that drag) - don't lose engine power :D.
Good luck with it!
Forum: Scratch and Kit Built Aircraft 11-19-2013, 03:33 PM
Replies: 13
Views: 794
Posted By nuteman
fhhuber is right. Those CG calculators are really...

fhhuber is right. Those CG calculators are really good for fairly "conventional" designs, but as soon as you add in funky factors (like parts of the fuselage that act as lifting bodies, "wake...
Forum: Batteries & Chargers 11-18-2013, 04:02 PM
Replies: 20
Views: 1,463
Posted By nuteman
Wow, your aircraft are pristine! Mine are total...

Wow, your aircraft are pristine!
Mine are total "beaters". At this stage I'm disinterested in aesthetics and concerned only with function and practicality. Trying out various designs (and tweaking...
Forum: Batteries & Chargers 11-18-2013, 01:31 PM
Replies: 20
Views: 1,463
Posted By nuteman
Another update for y'all. My son and I have...

Another update for y'all.
My son and I have progressed to building/flying our own foamy designs including canard, mirage-2000-like delta, constant chord flying wing, biplane, twin boom pusher, etc....
Forum: Power Systems 01-08-2013, 08:49 PM
Replies: 8
Views: 842
Posted By nuteman
Well, the motor shaft is definitely no more than...

Well, the motor shaft is definitely no more than 3mm, so it's good you told me about that! I may just wait till the SF ones I ordered come in, if I can hold out - I'll be abroad for 2 weeks by the...
Forum: Power Systems 01-08-2013, 05:19 PM
Replies: 8
Views: 842
Posted By nuteman
Mike, You are a fountain of useful tips. ...

Mike,

You are a fountain of useful tips.
Thanks!
Forum: Power Systems 01-08-2013, 02:37 PM
Replies: 8
Views: 842
Posted By nuteman
The plane is a NexStar mini. I think the plane...

The plane is a NexStar mini. I think the plane won't be overweight and I'll balance it, but I'm just not sure about the motor itself (spinning more weight might be too much for it???).
I have a...
Forum: Power Systems 01-08-2013, 01:32 PM
Replies: 8
Views: 842
Posted By nuteman
Will this propeller be a problem?

Hi All,

This has probably been asked before, but I can't seem to find it.
So I mistakenly bought a 9 x 6 "E" prop (packaging says "thin electric", manufactured by APC), instead of 9 x 6 "SF"...
Forum: Batteries & Chargers 12-10-2012, 12:40 PM
Replies: 20
Views: 1,463
Posted By nuteman
Update

Just thought I'd update you all with my findings.
First, the electrifly charger (model GPMM3319) was the culprit for the charging issue. All three of my batteries charged fine with the Accucell 6...
Forum: Batteries & Chargers 11-27-2012, 08:03 PM
Replies: 20
Views: 1,463
Posted By nuteman
Yes, I suppose the costs do fall off once you get...

Yes, I suppose the costs do fall off once you get the right equipment.
My TX is the Tactic TTX404. I haven't had a single glitch with it. No interference, instant response. Have I just been lucky so...
Forum: Batteries & Chargers 11-27-2012, 06:31 PM
Replies: 20
Views: 1,463
Posted By nuteman
I can't beleive these clowns

rcers and flydiver:
Thanks again for the info. You guys were right on the money. I looked at the burnt motor for curiosity. The manufacturers are clowns. They mashed up the three phase leads such...
Forum: Batteries & Chargers 11-27-2012, 08:09 AM
Replies: 20
Views: 1,463
Posted By nuteman
Also, you asked "Out of curiosity, how did the...

Also, you asked "Out of curiosity, how did the motor die?"
GOOD question. I just found one day that it would stutter back and forth, make noise, and that it was harder to turn by hand. I read here...
Forum: Batteries & Chargers 11-27-2012, 07:55 AM
Replies: 20
Views: 1,463
Posted By nuteman
flydiver, Thanks for the detailed info. I've...

flydiver, Thanks for the detailed info. I've already ordered the Accucell 6 charger.
Just to clarify: Years ago (like over 20 years ago) I used to fly glow-plug, so I'm savvy about controlling the...
Forum: Batteries & Chargers 11-26-2012, 09:58 AM
Replies: 20
Views: 1,463
Posted By nuteman
The batteries (all three of them) are less than 2...

The batteries (all three of them) are less than 2 months old and worked fine when I got them. Like I said, I've only gone through three cycles with each and the individual cell voltagess are OK...
Forum: Batteries & Chargers 11-25-2012, 09:27 PM
Replies: 20
Views: 1,463
Posted By nuteman
Electrifly charger, batteries

Hi All,

So I read here about how bad electrifly chargers are.
Now, I meausured between taps 1&2, 2&3 and 3&4 for all three of my 3S batteries.
They all measure 3.2V or higher, and for each...
Showing results 1 to 25 of 25

 
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