Search: Posts Made By: timocharis
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12-10-2009, 05:45 PM
Replies: 3
Views: 2,546
Posted By timocharis

It's not super important but your current setup...

It's not super important but your current setup is usually favored. A setup resulting in 88998899 such as you currently have will have more teeth that match each other. On the other hand, another...
Forum: ParkFlyers
11-26-2007, 01:55 AM
Replies: 128
Views: 17,234
Posted By timocharis

I have the same problem. As interesting as the...

I have the same problem. As interesting as the idea is, I have other projects on the fire. One of which was "going light" on a Formosa -- 24-gram outrunner, 10-amp speed control and I'm down to about...
Forum: ParkFlyers
10-28-2007, 07:10 AM
Replies: 128
Views: 17,234
Posted By timocharis

I've idly been considering the idea of doing...

I've idly been considering the idea of doing something with a really, really light motor. Like one of the 24-gram outrunners. I mean, if you're going to have to extend the nose, why not go far enough...
Forum: ParkFlyers
01-27-2007, 07:59 AM
Replies: 128
Views: 17,234
Posted By timocharis

Dan, that is extremely cool. Love the way it...

Dan, that is extremely cool. Love the way it turned out. And sectioning the nose like that is a good approach. I may have to try that.

Dave
Forum: 3D Flying
01-06-2007, 07:34 AM
Replies: 5
Views: 1,541
Posted By timocharis

According to Dr Kiwi numbers, the 2212/26 will...

According to Dr Kiwi numbers, the 2212/26 will crank out 33oz @ 15 amps using the very slow 11x3.8 APC SF. That should float your boat, but I don't much like that prop. He also tested with the GWS...
12-18-2006, 02:23 AM
Replies: 23
Views: 3,157
Posted By timocharis

I've had planes attacked by hawks twice. I...

I've had planes attacked by hawks twice. I thought it was cool, but not funny. I've had planes and helis chased by dogs, cats, and kids. Tiresome, really. Squirrels are kind of fun.

The funniest...
Forum: Foamies
12-17-2006, 06:34 PM
Replies: 12
Views: 3,245
Posted By timocharis

Cy, Heck, I agree. But if you wanna stick...

Cy,

Heck, I agree. But if you wanna stick something to it ...


Dave
Forum: Foamies
12-16-2006, 08:20 PM
Replies: 12
Views: 3,245
Posted By timocharis

Take some steel wool to it lightly. Doesn't take...

Take some steel wool to it lightly. Doesn't take long, and it will both smooth out and stop being so slick.


Dave
Forum: Foamies
12-15-2006, 06:32 AM
Replies: 12
Views: 3,245
Posted By timocharis

Best thing I've tried is "easy mask" painting...

Best thing I've tried is "easy mask" painting tape from your local hardware retailer. It's basically like a long roll of pretty sticky post-its. You can put it on as firmly as you like, and it will...
11-28-2006, 07:56 AM
Replies: 4
Views: 2,174
Posted By timocharis

The gear are so flimsy, and mounted on the wing...

The gear are so flimsy, and mounted on the wing as they are, they're more likely to damage the plane than a grass belly landing without them. They don't add much drag, though, so that's not the...
11-28-2006, 07:51 AM
Replies: 34
Views: 5,000
Posted By timocharis

I'd say you're both overdoing it. Appropriate for...

I'd say you're both overdoing it. Appropriate for those planes in your situation? A justgofly.com 300DF (under $50) and, just to cover the margin, a CC T-bird 18 (usually ~ $30).

If you can handle...
11-07-2006, 12:53 AM
Replies: 512
Views: 68,556
Posted By timocharis

Sorry for your bad luck, but one less Stryker is...

Sorry for your bad luck, but one less Stryker is not all a bad thang ... know the feeling. My Spit treed itself for the last time this morning.


Dave
10-26-2006, 07:27 AM
Replies: 512
Views: 68,556
Posted By timocharis

History repeats itself. Early De Novos were also...

History repeats itself. Early De Novos were also wound wrong. Argh!

Dave
10-14-2006, 06:54 AM
Replies: 512
Views: 68,556
Posted By timocharis

CTD: In that load range, I've been getting...

CTD:

In that load range, I've been getting good results from the PolyRC 1200s.

http://slofly.com/cart/product_info.php?cPath=0_21_177_179&products_id=1016

In theory you could hold down the...
10-10-2006, 05:32 PM
Replies: 92
Views: 21,600
Posted By timocharis

I have a Zero and agree it's arguably the...

I have a Zero and agree it's arguably the best-flying of the GWS warbirds. Certainly it is at lower speeds and small fields; like the original, it can outmaneuver anything else easily. It also has...
10-06-2006, 10:51 PM
Replies: 92
Views: 21,600
Posted By timocharis

My pilot definitely has his instrument rating! ...

My pilot definitely has his instrument rating!

Dave
10-06-2006, 03:18 AM
Replies: 92
Views: 21,600
Posted By timocharis

Cured the nose heaviness, and even at the...

Cured the nose heaviness, and even at the adjusted 22.6 ounces, this plane is a (peeyou)ssycat. Very smooth flyer, can slow down nicely. Alien, I wouldn't at all be surprised if yours turns out to be...
Forum: RCU RSS Feed
10-06-2006, 03:15 AM
Replies: 9
Views: 1,596
Posted By timocharis

I get about 295 squinches. Allowing for curves...

I get about 295 squinches. Allowing for curves and such, you're talking basically two square feet. That's about 9oz / sq ft, which ain't too bad. Some people fly a lot heavier. Of course, you lose...
Forum: Beginners
10-03-2006, 05:56 AM
Replies: 4
Views: 1,454
Posted By timocharis

ss: Mostly that's not very good stuff. Heavy...

ss:

Mostly that's not very good stuff. Heavy and inefficient.

The .67 (2/3) starting voltage is not based on the battery nominal, but the unloaded voltage when you plug it in. This is typically...
Forum: RCU RSS Feed
10-03-2006, 05:38 AM
Replies: 9
Views: 1,596
Posted By timocharis

Now that I would not have guessed. Then let's...

Now that I would not have guessed. Then let's assume somewhere around 12oz thrust -- the rest of the lift you have to get from airspeed, which you have to build up and retain.


Dave
Forum: Foamies
10-03-2006, 04:40 AM
Replies: 1
Views: 2,582
Posted By timocharis

Nice article! The wing rock seems fairly...

Nice article!

The wing rock seems fairly notable, but solid in hover. Decent response in the breeze throughout, so it looks good. Normal natural turn in the rolls.

"Running up...
10-03-2006, 02:26 AM
Replies: 92
Views: 21,600
Posted By timocharis

Mine went up with the 9x4.7 today and flew fine....

Mine went up with the 9x4.7 today and flew fine. But it was nose-heavy, so I was glad of the extra thrust -- had to make some quick adjustments after launch.

Watts/lb doesn't mean jack as a single...
Forum: RCU RSS Feed
10-03-2006, 02:11 AM
Replies: 9
Views: 1,596
Posted By timocharis

The easiest way to bring the speed down a bit is...

The easiest way to bring the speed down a bit is to put in a different motor setup. This is fairly cheap these days. Using the same ESC, you'd have to go to a brushed + geared setup and figure a way...
Forum: RCU RSS Feed
10-02-2006, 05:45 AM
Replies: 9
Views: 1,596
Posted By timocharis

Ah, a better than 6.5/1 aspect ratio. Combine...

Ah, a better than 6.5/1 aspect ratio. Combine that with stagger and over 70% separation and you'll be near the max lift possible for that wing area in a biplane. I'd assume you should have no trouble...
10-02-2006, 04:57 AM
Replies: 92
Views: 21,600
Posted By timocharis

Interestingly, I have the same prop issue you do,...

Interestingly, I have the same prop issue you do, but made the opposite decision. Here's why:

If I fly with the 9x4.7 sf, I draw a hair over 22 amps max @ 50mph w/49oz thrust (vs 23.5oz weight)....
Forum: RCU RSS Feed
10-01-2006, 08:04 AM
Replies: 9
Views: 1,596
Posted By timocharis

From my point of view, that's a fairly hefty wing...

From my point of view, that's a fairly hefty wing load. I would expect it to handle wind pretty nicely, but not exactly be a slow flyer. A decent, moderate setup.

That paint may add a bit more...
10-01-2006, 07:55 AM
Replies: 8
Views: 1,684
Posted By timocharis

That looks about like a commonsense 2000 cheapo...

That looks about like a commonsense 2000 cheapo pack I ejected from about 150 feet. Weird thing is the battery tested fine after I dug it out of the ground, but I retired it anyway ... annoyed me,...
Forum: ParkFlyers
10-01-2006, 07:48 AM
Replies: 128
Views: 17,234
Posted By timocharis

Bud, I was just looking at your plane (nice...

Bud,

I was just looking at your plane (nice job!) with the "bubble" canopy and mulling the wings (I can always just get a replacement somewhere, right?) and it dawned on me -- wow, you could do an...
09-30-2006, 04:58 AM
Replies: 92
Views: 21,600
Posted By timocharis

alien: The weight is just a question of your...

alien:

The weight is just a question of your target. Mine came in about 23 oz, but it has a huge motor (3.3oz; this is a corsair, right?) that develops about 50oz of thrust with a 2100 3s battery....
09-28-2006, 02:06 AM
Replies: 512
Views: 68,556
Posted By timocharis

Schlepp: I found the 730 3s perfectly...

Schlepp:

I found the 730 3s perfectly adequate to drive the 300DF w/5043. There's a bit of weight savings there (though the voltage drop does penalize the power a little bit).


Dave
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