Search: Posts Made By: aramid
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Forum: Foamies
06-25-2011, 05:36 AM
Replies: 59
Views: 53,007
Posted By aramid

If your wing loading is high, the plane will not...

If your wing loading is high, the plane will not be able to fly as slow as you might like.

If your total weight is too high, the plane will not be able to fly.

Pretty obvious choice; you want...
05-15-2011, 05:01 AM
Replies: 50
Views: 28,309
Posted By aramid

It's nice to get people interested in this great...

It's nice to get people interested in this great old plane. It was the first properly aerobatic RC model anyone ever made; although it flies more like a modern trainer than anything, it certainly...
04-15-2011, 07:57 PM
Replies: 50
Views: 28,309
Posted By aramid

That's a very nice-looking model you've got...

That's a very nice-looking model you've got there. I'd love to see some pictures of the covering, but when you go to that kind of effort on a clean, open structure, sometimes they look just as good...
Forum: Power Systems
03-11-2011, 05:03 AM
Replies: 13
Views: 7,484
Posted By aramid

Thanks for the more detailed explanation! I'm...

Thanks for the more detailed explanation! I'm surprised (impressed) that you stumbled across this thread and registered just to be helpful.
03-03-2011, 04:49 AM
Replies: 523
Views: 79,248
Posted By aramid

It's definitely fun to see such excellent photos...

It's definitely fun to see such excellent photos of your progress (I assume photography is either your profession or another long-standing hobby). And, I don't know how much time you're putting into...
Forum: Power Systems
02-14-2011, 03:42 PM
Replies: 15
Views: 3,407
Posted By aramid

Yes. Changing to a bigger battery or advancing...

Yes. Changing to a bigger battery or advancing throttle slowly aren't actually fixing your problem, they're just making it less likely to happen. Changing the timing is the actual fix you're...
01-30-2011, 06:14 AM
Replies: 523
Views: 79,248
Posted By aramid

Erm, yes and no? The gallery is HERE...

Erm, yes and no? The gallery is HERE (http://www.wattflyer.com/forums/showpost.php?p=726249&postcount=26) but the plane isn't a PD-1, it's a 50" Astro Hog (full build thread here...
01-30-2011, 12:56 AM
Replies: 523
Views: 79,248
Posted By aramid

Sorry to hear about your incident. Since...

Sorry to hear about your incident.

Since you're rebuilding anyway, consider placing the trailing edge reinforcement perpendicular to the main trailing edge piece, to form a T shape instead of II. ...
01-27-2011, 04:51 AM
Replies: 523
Views: 79,248
Posted By aramid

You may find that even with careful tracing, it's...

You may find that even with careful tracing, it's difficult to get an exact fit. If you're not happy with the results you get, read through this:
...
01-27-2011, 03:16 AM
Replies: 523
Views: 79,248
Posted By aramid

With the quality of work you've been doing so...

With the quality of work you've been doing so far, it would be a shame to have vertical servos sticking out of the wing. I've done it that way before, on planes which are big enough that the servo...
01-26-2011, 05:16 AM
Replies: 523
Views: 79,248
Posted By aramid

Yeah, 1/16 is pretty difficult to work with. ...

Yeah, 1/16 is pretty difficult to work with. Still, I can see it as an interesting challenge...
Forum: Power Systems
01-23-2011, 07:08 PM
Replies: 15
Views: 3,407
Posted By aramid

When you're posting in an online forum, you...

When you're posting in an online forum, you generally get a better response when you start your own thread in the appropriate area, rather than just picking one at random to post in. Especially one...
01-21-2011, 05:42 AM
Replies: 523
Views: 79,248
Posted By aramid

Yes, although it'd fly a bit differently - a bit...

Yes, although it'd fly a bit differently - a bit less relaxing, mostly. It's very rare to see a low-wing aircraft with no dihedral at all, but there have been a few over the years (the CAP 230 comes...
01-16-2011, 08:51 PM
Replies: 523
Views: 79,248
Posted By aramid

This build isn't exactly a high-precision design....

This build isn't exactly a high-precision design. There's no need for yours to precisely match PD1's, as you might have guessed by the numerous modifications others have been doing. Personally, I...
01-04-2011, 04:41 AM
Replies: 523
Views: 79,248
Posted By aramid

Most, although certainly not all, of the whine in...

Most, although certainly not all, of the whine in a motor is actually from the ESC. If you'd prefer a quiet system, consider a Castle Creations, which are typically quiet, or something with a...
11-09-2010, 03:06 PM
Replies: 32
Views: 17,282
Posted By aramid

Phroz: I assume (hope?) you're asking about the...

Phroz: I assume (hope?) you're asking about the Wonder and not the BD-5?

If so, it's a die-cut kit from SIG Manufacturing, intended for glow engines but pretty easy to build for electric. ...
11-02-2010, 01:41 AM
Replies: 523
Views: 79,248
Posted By aramid

Steve, that looks good. I like the Pocket Rocket...

Steve, that looks good. I like the Pocket Rocket logo on the nose!

I haven't gotten anywhere on my build yet (I'm in the middle of building an underwater ROV which needs to be done before...
10-31-2010, 10:35 PM
Replies: 99
Views: 19,169
Posted By aramid

Are you sure they're accidentally off-center? If...

Are you sure they're accidentally off-center? If the motor mount is angled for any right- or down-thrust, they would have placed the holes off-center on purpose so the prop and spinner were still...
10-13-2010, 07:53 PM
Replies: 50
Views: 28,309
Posted By aramid

Thanks! Your trainer is right, the Hog would be...

Thanks! Your trainer is right, the Hog would be an excellent second plane. It's relaxed and easy to fly, but has much better performance than a Nexstar.

Be aware, though, that if you build it...
08-27-2010, 07:19 AM
Replies: 523
Views: 79,248
Posted By aramid

There's way more to it than "the higher the Kv,...

There's way more to it than "the higher the Kv, the faster the plane." The second motor you posted is less powerful than the first, and barely even usable on 3s batteries. It would be a reasonable...
08-27-2010, 03:01 AM
Replies: 523
Views: 79,248
Posted By aramid

I haven't built one of these yet, so I can't give...

I haven't built one of these yet, so I can't give you any guarantees, but I can offer some estimates based on what I know about the plane.

It should be possible to build one light enough for...
08-26-2010, 11:52 PM
Replies: 523
Views: 79,248
Posted By aramid

Not at all. I assume you're planning to run 3s...

Not at all. I assume you're planning to run 3s batteries, and 1600 Kv is on the high end for a 3s-powered sport plane. A typical sport plane this size might be propped for a pitch speed of about 50...
08-10-2010, 12:27 AM
Replies: 50
Views: 28,309
Posted By aramid

Thanks for the compliments! Flaps would be...

Thanks for the compliments!

Flaps would be fairly easy to add to the plane, and might be fun to play with, but are definitely not necessary. I've seen very few model planes which really needed...
07-31-2010, 05:25 AM
Replies: 50
Views: 28,309
Posted By aramid

Mike, thanks for the compliments! The power...

Mike, thanks for the compliments!

The power system is perfect for the plane. It's running about 135 watts per pound with a pitch speed of about 60 MPH, which suits the style of the plane very...
07-07-2010, 04:29 PM
Replies: 50
Views: 28,309
Posted By aramid

Fortunately, I had no trouble tripling the number...

Fortunately, I had no trouble tripling the number of magnets on my hatch, and although I've only flown twice since then, it seems like they're going to hold.

I buy my magnets from...
Forum: Beginners
07-05-2010, 05:59 PM
Replies: 18
Views: 4,666
Posted By aramid

You're comparing a $10 electric motor to a $100...

You're comparing a $10 electric motor to a $100 glow engine; hardly a fair comparison. Those little TowerPro motors are basically the worst brushless motors available anywhere, both for their...
06-13-2010, 04:27 AM
Replies: 50
Views: 28,309
Posted By aramid

Thanks for all the kind words! There are a...

Thanks for all the kind words!

There are a few tweaks remaining before the plane is really 100% complete. Obviously I need to add hatch magnets, but I also need to replace the bearings in my...
06-10-2010, 11:12 PM
Replies: 50
Views: 28,309
Posted By aramid

Done!

I got my test flight in yesterday afternoon. The access hatch blew off as soon as the plane broke ground, so it'll be getting a few extra magnets; fortunately, this was the most dramatic part of the...
05-29-2010, 04:13 PM
Replies: 20
Views: 7,556
Posted By aramid

Crobar, Glacier Girl provided you a link to a...

Crobar, Glacier Girl provided you a link to a page with the shaft on it. The direct link is here:

http://www.horizonhobby.com/Products/Default.aspx?ProdID=EFLM72151
05-13-2010, 12:32 AM
Replies: 38
Views: 30,721
Posted By aramid

Unfortunately, what everybody "knows" about...

Unfortunately, what everybody "knows" about airplane wings is totally wrong. This thread is a start in the right direction, but even it is full of misleading information. The link Mic posted,...
Showing results 1 to 30 of 345
 


 
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