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Search: Posts Made By: dereckbc
Forum: 3D Flying Yesterday, 02:43 AM
Replies: 21
Views: 532
Posted By dereckbc
If it were for me I would agree. I also have a...

If it were for me I would agree. I also have a Extra 300 that uses 3S 2100.

I think Jim uses 3S 2xxx something too. Only issue I see is we are in North TX north of DFW. A dead calm day here is 10...
Forum: 3D Flying 05-27-2015, 09:28 PM
Replies: 21
Views: 532
Posted By dereckbc
Just want to make sure we are on the same page....

Just want to make sure we are on the same page. Is this the plane (http://www.nitroplanes.com/02a-008-1100mm-yak54-3d-epp-arf.html) you are talking about?

It looks larger than the one in your...
Forum: 3D Flying 05-27-2015, 04:30 AM
Replies: 21
Views: 532
Posted By dereckbc
OK the Techone Yak has my interest. The ARF needs...

OK the Techone Yak has my interest. The ARF needs a 4 channel RX which is not a problem but could use some advice. He and I both have Spektrun TX. Not sure what RX it would need other than 4 channel.
Forum: 3D Flying 05-27-2015, 04:12 AM
Replies: 21
Views: 532
Posted By dereckbc
I fully understand what the gyros are doing for...

I fully understand what the gyros are doing for me, and why I have trouble on the sim. I did try the profile Edge and did OK. Did knife Edge and Flat Spins first try. Took a while but got to where I...
Forum: 3D Flying 05-27-2015, 03:26 AM
Replies: 21
Views: 532
Posted By dereckbc
IRL? I do find the Edge 540 easier to fly...

IRL?

I do find the Edge 540 easier to fly than the Visionaire in the simulator, but the Visionaire in the simulator flies nothing like the real thing. Well I guess it does if you are talking...
Forum: 3D Flying 05-26-2015, 09:55 PM
Replies: 21
Views: 532
Posted By dereckbc
Funny you should bring that up. I am what you...

Funny you should bring that up. I am what you would call a beginner. Started two years ago. Have 3 planes. First was an Apprentice 15, Extra 300, and a Visionaire. All three are in good shape.
...
Forum: 3D Flying 05-26-2015, 04:21 AM
Replies: 21
Views: 532
Posted By dereckbc
First 3D Plane.

Hey guys I think I know the answer to my question but just wan to double check.

Have a friend who wants to buy his first 3D plane and wants to know which is the easiest for a beginner.


I...
Forum: General Electric Discussions 05-10-2015, 05:19 PM
Replies: 33
Views: 820
Posted By dereckbc
To tell how much money the other guy makes.

To tell how much money the other guy makes.
Forum: Off Topic Chit Chat 05-10-2015, 05:15 PM
Replies: 47
Views: 903
Posted By dereckbc
Yep interesting. Looks like ham radio operators...

Yep interesting. Looks like ham radio operators which is a dying hobby. You got 2 kids and 29 fossils. :D
Forum: Brushless Motor Construction 05-09-2015, 05:13 PM
Replies: 12
Views: 1,075
Posted By dereckbc
You bet there is. It is the basis of almost all...

You bet there is. It is the basis of almost all over unity SCAMS. Great way to rip people off like HHO systems for your car.
Forum: Hi-Performance and Sailplanes 03-30-2015, 04:55 AM
Replies: 94
Views: 1,758
Posted By dereckbc
Couple of thoughts here. First engine thrust...

Couple of thoughts here.

First engine thrust does not need to exceed 1:1 ratio to obtain speed of sound. If that were the case all 3D models could go sonic. The Concord SST only had a thrust ratio...
Forum: General Electric Discussions 03-24-2015, 04:23 PM
Replies: 73
Views: 1,324
Posted By dereckbc
No problem Nigel relax my friend all is good. I...

No problem Nigel relax my friend all is good. I was not trying to be hard on on you or Marine batteries. I apologize if I came off that way. I was just pointing out and letting folks know that...
Forum: General Electric Discussions 03-24-2015, 12:35 AM
Replies: 73
Views: 1,324
Posted By dereckbc
Not true Nigel. Trojan started in 1925 just after...

Not true Nigel. Trojan started in 1925 just after WW-II and has been a US owned company private company every since. They do not make batteries under any other label like Interstate, Johnson...
Forum: General Electric Discussions 03-23-2015, 07:40 PM
Replies: 73
Views: 1,324
Posted By dereckbc
You shouldn't. FLA batteries fall into one...

You shouldn't.

FLA batteries fall into one of three categories.

SLI or Starting Lighting & Ignition aka Starting or Cranking Batteries are designed to deliver very high short burst of current...
Forum: General Electric Discussions 03-23-2015, 02:15 AM
Replies: 73
Views: 1,324
Posted By dereckbc
Tap the breaks a minute. The panels are fine, the...

Tap the breaks a minute. The panels are fine, the controller is PWM.

With PWM controllers Output Current = Input Current. The Renogy solar panels Imp = 5.29 amps and when wired in parallel yield...
Forum: General Electric Discussions 03-22-2015, 09:32 PM
Replies: 73
Views: 1,324
Posted By dereckbc
Look the Harbor Fright panel kits cost $190 ...

Look the Harbor Fright panel kits cost $190 (http://www.harborfreight.com/45-watt-solar-panel-kit-68751-8527.html)and when connected their POS controller delivers 2.5 amps at solar noon. At 12 volt...
Forum: General Electric Discussions 03-22-2015, 06:45 PM
Replies: 73
Views: 1,324
Posted By dereckbc
Gunny here is what I recommend. Solar is very...

Gunny here is what I recommend. Solar is very limited and expensive. For a mobile system operating at 12 volts for 1 watt of panel can only support roughly .75 AH of battery depending on which type...
Forum: General Electric Discussions 03-22-2015, 05:52 PM
Replies: 73
Views: 1,324
Posted By dereckbc
Sorry guy, but don't buy that kit from Harbor...

Sorry guy, but don't buy that kit from Harbor Fright. The box it comes in is worth more than what comes inside of it. I design/build a lot of off-grid solar systems professionally for cellular...
Forum: Off Topic Chit Chat 03-21-2015, 04:37 PM
Replies: 17
Views: 599
Posted By dereckbc
Nigel that just means you are a Passive...

Nigel that just means you are a Passive Aggressive Troll. :D

I understand what you are saying, I have some of the same troubles with comments especially about batteries / power / charging made...
Forum: Batteries & Chargers 03-21-2015, 04:28 PM
Replies: 9
Views: 248
Posted By dereckbc
You did not say what C-Rate they have but those...

You did not say what C-Rate they have but those numbers are OK, not great, but acceptable. I have a few Hyperion CX G3 3S 2100 ma 25C batteries and when new measured 7-7-7 a year ago and now 10-10-10.
Forum: Batteries & Chargers 03-21-2015, 04:21 PM
Replies: 30
Views: 1,131
Posted By dereckbc
What AH rating are those 12S2P batteries?

What AH rating are those 12S2P batteries?
Forum: Beginners 03-21-2015, 04:15 PM
Replies: 22
Views: 492
Posted By dereckbc
IMO a very bad idea. A beginner does not have the...

IMO a very bad idea. A beginner does not have the skills to fly a glider which is basically what a solar powered plane is. A beginner needs some decent power to get out of trouble, especially during...
Forum: Power Systems 03-18-2015, 08:08 PM
Replies: 28
Views: 566
Posted By dereckbc
The Brass is there for mechanical strength or...

The Brass is there for mechanical strength or hardness.
Forum: Power Systems 03-18-2015, 02:23 AM
Replies: 28
Views: 566
Posted By dereckbc
I am not sure if you can find a supply house like...

I am not sure if you can find a supply house like Graingers, Cesco, or Graybar to buy small quantities but Thomas and Betts makes really good quality Bullet Connectors in their male...
Forum: Power Systems 03-18-2015, 01:04 AM
Replies: 28
Views: 566
Posted By dereckbc
Though tI would chime in because I see some good...

Though tI would chime in because I see some good and bad info being stated here. Not picking on anyone OK.

I have worked with battery plants all my professional career as a PE and worked with many...
Forum: General Electric Discussions 03-17-2015, 11:50 PM
Replies: 22
Views: 369
Posted By dereckbc
You can especially if you do not like the smaller...

You can especially if you do not like the smaller battery and looking to get it replaced at your expense.
Forum: General Electric Discussions 02-24-2015, 04:38 AM
Replies: 18
Views: 434
Posted By dereckbc
USA TV manufacturing died after WW-II. TV...

USA TV manufacturing died after WW-II. TV manufacturing went to Japan. Now Japan has lost it to China.

Story is the same. USA wages, taxes, and employment policies became too expensive. Japan...
Forum: General Electric Discussions 02-24-2015, 04:30 AM
Replies: 18
Views: 434
Posted By dereckbc
Electronic Component stores died a long time ago...

Electronic Component stores died a long time ago with Bench Technicians. I am a ham radio operator and electrical/electronic engineer. In my college days and early career I fixed a lot of commercial...
Forum: Humor 02-20-2015, 09:20 PM
Replies: 16
Views: 2,420
Posted By dereckbc
Chinese Lanterns can stir up quit a bit of chaos...

Chinese Lanterns can stir up quit a bit of chaos and fun. Done in the right places you can get F16 USAF jets to scramble and fly over, and cops chasing lights in the sky with sirens blasting...
Forum: Electric Ducted Fan Jets 02-17-2015, 12:27 AM
Replies: 39
Views: 1,165
Posted By dereckbc
The scale just changes and means you need a real...

The scale just changes and means you need a real accurate DMM that can measure very small voltages accurately. You are getting into Fluke meters and away from Harbor Fright, Craftsman, and Chi-Com...
Showing results 1 to 30 of 424

 
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