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Search: Posts Made By: kyleservicetech
Forum: Crash and Safety Forum Yesterday, 01:02 AM
Replies: 1,915
Views: 188,856
Posted By kyleservicetech
Lost AS3X H The Beast 3D

A week ago our RC club put on an RC show at a local church group on their grounds. My tried and true and reliable tiny bipe was put into the air, and immediately there was a real problem. The model...
Forum: Batteries & Chargers 07-24-2015, 02:50 AM
Replies: 7
Views: 143
Posted By kyleservicetech
Brings back memorys at work when our customers...

Brings back memorys at work when our customers parallel charged our 24 Volt DC Nicad batteries during fast charging.

First, there is no guarantee that both Nicad packs will wind up fully charged....
Forum: Batteries & Chargers 07-23-2015, 02:22 PM
Replies: 7
Views: 143
Posted By kyleservicetech
Discharging in parallel might be OK. However I'd...

Discharging in parallel might be OK. However I'd not charge them in parallel. That can lead to problems.
Forum: Hi-Performance and Sailplanes 07-21-2015, 10:20 PM
Replies: 96
Views: 34,282
Posted By kyleservicetech
Really nice job on the motor installation on your...

Really nice job on the motor installation on your model :D :D
Forum: Batteries & Chargers 07-18-2015, 12:57 AM
Replies: 10
Views: 199
Posted By kyleservicetech
Tesla vs Corvette in drag race

The latest and greatest Tesla battery supplies a maximum of 1500 Amps to the cars two motors.

https://www.youtube.com/watch?v=VOqWlOrlkIg

(Of course after the 1/4 mile is done on a straight...
Forum: General Electric Discussions 07-17-2015, 08:01 PM
Replies: 29
Views: 425
Posted By kyleservicetech
That all depends on the flying speed of your...

That all depends on the flying speed of your model. The 11X7 has a lower pitch, and would result in a lower flying speed. Could be a real issue if you're flying a fast airplane. Or really good if...
Forum: General Electric Discussions 07-17-2015, 07:41 PM
Replies: 29
Views: 425
Posted By kyleservicetech
Flying at 700 Watts with a 6.2 pound airplane is...

Flying at 700 Watts with a 6.2 pound airplane is around 113 Watts per pound of airplane. Somewhere around 150 Watts per pound of airplane will fly acrobatics very nicely.

Assuming that level of...
Forum: General Electric Discussions 07-16-2015, 06:37 AM
Replies: 15
Views: 314
Posted By kyleservicetech
10 oot Rule

As you've probably found out, when binding, put the transmitter 10 feet away. Then setup the receiver for binding. And then turn on the transmitter in it's binding mode.

I've had this happen on...
Forum: General Electric Discussions 07-16-2015, 06:25 AM
Replies: 29
Views: 425
Posted By kyleservicetech
Or Horsepower = Prop Pitch times (Prop...

Or

Horsepower = Prop Pitch times (Prop Diameter)^4 times (Prop RPM)^3/1.4E17

Multiply horsepower by 746 watts/hp to get watts output on the prop shaft.

This formula is in the ballpark for...
Forum: Batteries & Chargers 07-13-2015, 10:19 PM
Replies: 7
Views: 253
Posted By kyleservicetech
50% Rule

FYI, IMHO it's not a good idea to depend on the LiFe battery voltage level to determine if it's safe to fly another flight.

These LiFe and similar type A123 cells only vary a percent or two in...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 07-12-2015, 05:39 AM
Replies: 11
Views: 267
Posted By kyleservicetech
Two or three battery packs?

Hi Nigel

Out of curiosity, have you tried plugging in two or three Nih packs into your receiver? If that gets rid of the flickering battery voltage, it would explain things.

Something else,...
Forum: FMA Direct 07-07-2015, 01:41 AM
Replies: 9
Views: 2,352
Posted By kyleservicetech
I did this on an A123 pack several years ago,...

I did this on an A123 pack several years ago, using my Cellpro PL8 charger and its USB dongle. The attached shows just one charge/discharge out of a consecutive dozen or so cycles.
...
Forum: Batteries & Chargers 06-23-2015, 03:19 PM
Replies: 9
Views: 314
Posted By kyleservicetech
Yeah I ran into that law several years ago...

Yeah
I ran into that law several years ago trying to charge 12S2P A123's in 15 minutes.

The Cellpro PL8 charger was pulling 40 amps out of the 120 Amp Hr battery. In three months that big lead...
Forum: General Electric Discussions 06-22-2015, 07:14 PM
Replies: 15
Views: 290
Posted By kyleservicetech
Setting consists of programming in proper servo...

Setting consists of programming in proper servo directions. Note that for up elevator you pull back on the right hand transmitter.:D:D

Yeah I've seen one or two folks get it backwards.

And...
Forum: Beginners 06-22-2015, 06:01 PM
Replies: 14
Views: 259
Posted By kyleservicetech
If this is your first RC model, be sure to find...

If this is your first RC model, be sure to find an experienced RC'r to do the first flights.
Forum: General Electric Discussions 06-22-2015, 05:57 PM
Replies: 15
Views: 290
Posted By kyleservicetech
And, do all of your setting up with the prop...

And, do all of your setting up with the prop REMOVED!:D
Forum: General Electric Discussions 06-19-2015, 02:26 AM
Replies: 8
Views: 322
Posted By kyleservicetech
Methinks a saber saw, jig saw, or even a cooping...

Methinks a saber saw, jig saw, or even a cooping (bow type) saw with a very sharp blade would work out well.
Forum: General Electric Discussions 06-19-2015, 01:07 AM
Replies: 8
Views: 322
Posted By kyleservicetech
Been there, done that

I made a hand full of these years ago. They still get used every so often. And, you can make a bunch of them with a band saw, and some cheap pine boards and a dowel.
...
Forum: Foamies 06-17-2015, 02:49 AM
Replies: 36
Views: 814
Posted By kyleservicetech
Not Free, But

Here is what I use. Quite powerful, can do just about anything needed.

http://www.cyberlink.com/downloads/trials/powerdirector-ultra/download_en_US.html

At $79.00 for a download.
Forum: Scale E-Powered Aircraft 06-14-2015, 04:39 AM
Replies: 4
Views: 298
Posted By kyleservicetech
CG issues

What I've done on my scratch built electric conversions of glow type models, is before covering the model, temporarily install the radio system, run a dowel through the fuse sticking out through the...
Forum: Off Topic Chit Chat 06-13-2015, 06:10 AM
Replies: 11
Views: 343
Posted By kyleservicetech
Really nice setup! (BTW, we've got a rich...

Really nice setup!

(BTW, we've got a rich SOB around two miles from here that has property taxes of $7000. Per Month. Yeah, it's a mansion with some 100 acres of land with it.)
Forum: Power Systems 06-13-2015, 06:04 AM
Replies: 9
Views: 475
Posted By kyleservicetech
Won't go back

One of my club members flies high dollar 35 pound wet turbine models. And, he's been using high dollar pneumatic retracts for years. And, had more than a few landings where the pneumatic retracts...
Forum: Beginners 06-08-2015, 02:05 AM
Replies: 10
Views: 471
Posted By kyleservicetech
Welcome to the senior citizens group!

Ah ha! I started flying models in 1964, and have been flying them ever since.

One thing you'll quickly find out, it's not hard to match the power of a glow engine with quality electric power...
Forum: General Electric Discussions 06-05-2015, 06:25 AM
Replies: 9
Views: 379
Posted By kyleservicetech
A note here. Are those powerlines that you flew...

A note here. Are those powerlines that you flew under? Or a cable system?

You really don't want to hit powerlines with your model. Especially higher voltage units like 14.4KV, or 24.9 KV. If...
Forum: Sport Planes (Formerly I/C & Gas Conversion) 06-03-2015, 06:23 AM
Replies: 0
Views: 285
Posted By kyleservicetech
Giant Scale Big Stick Backup Battery

Today was a good day with my giant Big Stick model.

Could have been a real disaster. :censor:

Take a look:

http://www.rcgroups.com/forums/showthread.php?t=2427598#post31791469
Forum: General Electric Discussions 05-31-2015, 10:59 PM
Replies: 9
Views: 327
Posted By kyleservicetech
Recomendations for that model is a 70 sized 4S...

Recomendations for that model is a 70 sized 4S glow engine. Those are good for around 1100 watts or so. Doing the math on a 13-6 prop at 6000 RPM, you get only about 200 Watts.

A 7 pound bipe...
Forum: Beginners 05-31-2015, 09:45 PM
Replies: 27
Views: 866
Posted By kyleservicetech
I've got goth the Spekie DX8 and DX9...

I've got goth the Spekie DX8 and DX9 transmitters. And BOTH of them must be separated from the receiver by at least 10 feet during binding. If not they will not bind.

And, no I couldn't find...
Forum: Batteries & Chargers 05-31-2015, 06:06 AM
Replies: 23
Views: 691
Posted By kyleservicetech
4C Charging

Nope don't have to. But, those A123's stay in the airplane, and charging in one hour, I'd only get one or two flights a day. Versus a half dozen or so.
Forum: Batteries & Chargers 05-31-2015, 03:57 AM
Replies: 23
Views: 691
Posted By kyleservicetech
You hit the nail on the head. Those modelers...

You hit the nail on the head.

Those modelers that are using a big deep cycle battery to recharge their 2200 mah 3 cell LiPos will get many years service out of a quality deep cycle battery.
...
Forum: Batteries & Chargers 05-30-2015, 02:18 AM
Replies: 23
Views: 691
Posted By kyleservicetech
I found one site that indicated that these...

I found one site that indicated that these batteries are not to be used as deep cycle batteries. Dang.
Showing results 1 to 30 of 500

 
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