Wattflyer RC Network: RC Universe :: RCU Magazine :: RCU Forums :: RCU Classifieds :: RCU User Reviews :: RCU YouTube
Home Who's Online Calendar Today's Posts RealTime Post Spy Mark Forums Read
Go Back   WattFlyer RC Electric Flight Forums - Discuss radio control eflight > Search Forums
Register Members List Wattflyer Extras Articles Search Today's Posts Mark Forums Read Social Groups

Thank you for your support (hide ads)

Showing results 1 to 30 of 500
Search took 0.07 seconds.
Search: Posts Made By: Larry3215
Forum: General Electric Discussions 04-20-2015, 05:56 AM
Replies: 32
Views: 455
Posted By Larry3215
Assuming the OP is doing the testing correctly,...

Assuming the OP is doing the testing correctly, the only things that make sense to me are either a defective wattmeter or the motor is shorting out when it gets warm or binding when it gets warm -...
Forum: General Electric Discussions 04-20-2015, 05:52 AM
Replies: 32
Views: 455
Posted By Larry3215
Its a sailplane with a very light power system...

Its a sailplane with a very light power system designed for short runs only - 30C 850 mahr pack and it was maxed out :)
Forum: General Electric Discussions 04-20-2015, 04:31 AM
Replies: 32
Views: 455
Posted By Larry3215
What do you mean the same results? Exactly...

What do you mean the same results?

Exactly how did you do the test and what were the results?
Forum: General Electric Discussions 04-19-2015, 10:21 PM
Replies: 32
Views: 455
Posted By Larry3215
Here is a log of one of my sailplanes with a...

Here is a log of one of my sailplanes with a short full throttle motor run of about 30 seconds with a fully charged battery.

The voltage is the red line and amps are green.

Note that the...
Forum: General Electric Discussions 04-19-2015, 10:08 PM
Replies: 32
Views: 455
Posted By Larry3215
(sorry - I was thinking propeller slip) True...

(sorry - I was thinking propeller slip)

True - if your actual rpm is way under the theoretical rpm, then your motor is running very inefficiently and will be getting pretty hot.

You can't go...
Forum: General Electric Discussions 04-19-2015, 10:05 PM
Replies: 32
Views: 455
Posted By Larry3215
http://www.castlecreations.com/products/phoenix-ed...

http://www.castlecreations.com/products/phoenix-edge-hv.html

You can download the manual there.

You will need a Castle Link to download the data logs from the controller. You will also need...
Forum: General Electric Discussions 04-19-2015, 05:06 PM
Replies: 32
Views: 455
Posted By Larry3215
Denny is correct. As voltage drops, current...

Denny is correct. As voltage drops, current should go down, not up. If you had a connector or motor wiring increasing resistance/getting hot, once again that will drop voltage and current would also...
Forum: Warbird Electrics 04-15-2015, 12:10 AM
Replies: 3
Views: 167
Posted By Larry3215
The closest Ive ever come is by mixing two paints...

The closest Ive ever come is by mixing two paints that dont like to mix. I used a brown acrylic with an off white enamel on my ME262.

Depending on how well you mix them, you can control the...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 04-14-2015, 11:59 PM
Replies: 7
Views: 171
Posted By Larry3215
Movement isnt that much of a problem unless you...

Movement isnt that much of a problem unless you have really sloppy joiners.

Most sailplane guys use the multiplex connectors. I use them for the join between the center and tip panels as well as...
Forum: Multi-Rotors 04-14-2015, 11:51 PM
Replies: 13
Views: 239
Posted By Larry3215
The DJI thing would not stop the idiot I saw on...

The DJI thing would not stop the idiot I saw on the news. This was in some residential neighborhood no where near an airport or other area DJI has as off limits.

I dont think anyone has come up...
Forum: Multi-Rotors 04-14-2015, 03:56 AM
Replies: 13
Views: 239
Posted By Larry3215
Excellent news! Thats what we need here. A...

Excellent news! Thats what we need here.

A couple of weeks ago an idiot was hovering his drone about 100 feet DIRECTLY ABOVE a news helicopter doing traffic reports. They followed the quad until...
Forum: General Electric Discussions 04-13-2015, 01:00 AM
Replies: 6
Views: 287
Posted By Larry3215
Congrats on the new job and flying buddies!

Congrats on the new job and flying buddies!
Forum: Scratch and Kit Built Aircraft 04-11-2015, 11:09 AM
Replies: 30
Views: 436
Posted By Larry3215
Kidding aside, a really fun and different "twin"...

Kidding aside, a really fun and different "twin" is the Jinx. Wingerons are cool. Can you say 'insane roll rate' three times fast? :)

Here is my variation on that theme.

By the way, I think the...
Forum: Scratch and Kit Built Aircraft 04-11-2015, 11:05 AM
Replies: 30
Views: 436
Posted By Larry3215
How many motors do you have? Nine maybe :D

How many motors do you have? Nine maybe :D
Forum: Hi-Performance and Sailplanes 04-11-2015, 10:43 AM
Replies: 8
Views: 172
Posted By Larry3215
Sorry Nigel, but flat turns are exactly the wrong...

Sorry Nigel, but flat turns are exactly the wrong thing to do when thermaling. Actually, thats pretty much the wrong thing to do any time except when doing a side slip :)

Trying to flatten out the...
Forum: Scratch and Kit Built Aircraft 03-31-2015, 09:42 AM
Replies: 16
Views: 423
Posted By Larry3215
Some of my odd ball birds that helped me come to...

Some of my odd ball birds that helped me come to the conclusions above :)

These are all either low aspect ratio wings or large side area fuses or some of both.
Forum: Scratch and Kit Built Aircraft 03-31-2015, 09:26 AM
Replies: 16
Views: 423
Posted By Larry3215
Oh - and at least I didnt suggest you switch to...

Oh - and at least I didnt suggest you switch to digital servos to "cure" the problem ;) :D :D
Forum: Scratch and Kit Built Aircraft 03-31-2015, 09:25 AM
Replies: 16
Views: 423
Posted By Larry3215
Nigel, Ive played around quite a bit with models...

Nigel, Ive played around quite a bit with models similar to this design - models with a relatively LARGE fuselage side area and very low aspect ratio "wings".

They can have some very odd flying...
Forum: General Electric Discussions 03-30-2015, 04:16 AM
Replies: 10
Views: 408
Posted By Larry3215
Very interesting concept! probably not very...

Very interesting concept! probably not very efficient, but EDF isnt known for efficiency anyway.

What controller are you using?
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 03-30-2015, 04:08 AM
Replies: 18
Views: 361
Posted By Larry3215
I'm not saying anything ;)

I'm not saying anything ;)
Forum: 3D Flying 03-30-2015, 03:57 AM
Replies: 99
Views: 7,786
Posted By Larry3215
Congrats!!

Congrats!!
Forum: General Electric Discussions 03-26-2015, 02:37 AM
Replies: 8
Views: 229
Posted By Larry3215
I would start with very short run times on the...

I would start with very short run times on the bench and then test temps. Increase run time in short steps.

When Fhhubber said its ok with adequate cooling he was very serious, but he left out the...
Forum: General Electric Discussions 03-26-2015, 02:26 AM
Replies: 20
Views: 637
Posted By Larry3215
hehehe multiple witnesses and multiple...

hehehe multiple witnesses and multiple conflicting stories. Sounds like a typical crash investigation :)
Forum: General Electric Discussions 03-25-2015, 07:08 PM
Replies: 20
Views: 637
Posted By Larry3215
I finally got the video to work. It doesnt look...

I finally got the video to work. It doesnt look to me like there was much of a turn going on in the last seconds.

You looked to me like you had rolled the plane over some and allowed the nose to...
Forum: General Electric Discussions 03-25-2015, 06:52 PM
Replies: 20
Views: 637
Posted By Larry3215
Sorry to pick on you gunny - and its not really...

Sorry to pick on you gunny - and its not really you Im going after. I hear this exact same advice all the time. Its an "old wives tale" in the RC world thats at least as bad as the "down wind turn"....
Forum: Scratch and Kit Built Aircraft 03-25-2015, 06:33 PM
Replies: 68
Views: 1,111
Posted By Larry3215
Almost forgot - sometimes when landing, you DO...

Almost forgot - sometimes when landing, you DO want extra lift from the flaps but DONT want the drag.

I keep talking about landing long and over shooting the target, but there will also be plenty...
Forum: Scratch and Kit Built Aircraft 03-25-2015, 06:21 PM
Replies: 68
Views: 1,111
Posted By Larry3215
Well, now you have two completely opposite...

Well, now you have two completely opposite recommendations from two "experts" - unknown drips under pressure :D

I keep expecting 5 or six others to jump in here and offer up additional conflicting...
Forum: Scratch and Kit Built Aircraft 03-25-2015, 08:02 AM
Replies: 68
Views: 1,111
Posted By Larry3215
Says the man who has never been in a boomer...

Says the man who has never been in a boomer thermal :D

Here is a log file from a 1 hr 52 minute flight of mine last year. The motor run was under 30 seconds for launch only. I spent those two...
Forum: General Electric Discussions 03-25-2015, 05:29 AM
Replies: 20
Views: 637
Posted By Larry3215
Actually, you dont want to try to keep the wings...

Actually, you dont want to try to keep the wings flat when turning. Flat turns result in side slipping which will increase the chance of stall, adds huge amounts of drag and reduces the ability of...
Forum: Scratch and Kit Built Aircraft 03-25-2015, 05:13 AM
Replies: 68
Views: 1,111
Posted By Larry3215
Many sailplanes use full span 'flaperons'....

Many sailplanes use full span 'flaperons'. Virtually all DLG's and many 2 meter birds have full span ailerons that are also used as landing flaps.

If you dont have spoilers, then you need flaps...
Showing results 1 to 30 of 500

 
Forum Jump

All times are GMT +1. The time now is 09:50 AM.


Powered by: vBulletin
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Copyright 2005 WattfFlyer.com
RCU Eflight HQ

Charities we support Select: Yorkie Rescue  ::  Crohn's & Colitis Foundation



Page generated in 0.32854 seconds with 13 queries