Search: Posts Made By: dereckbc
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01-06-2021, 07:58 PM
Replies: 7
Views: 2,894
Posted By dereckbc

Certainly a possibility, but I have two hands to...

Certainly a possibility, but I have two hands to help get started if that should become a real problem. Got another expensive hobby, I play golf, build racing golf carts, and help folks build DIY EV...
01-06-2021, 04:06 AM
Replies: 7
Views: 2,894
Posted By dereckbc

Off Topic Motor Question

Only thing this question has to do with our hobby is with respect to motors used for other purposes. I like to work with knives and sharpening. One thing I want is a belt grinder. Yes, I can buy one...
Forum: Power Systems
12-29-2020, 05:21 AM
Replies: 1
Views: 2,317
Posted By dereckbc

Belt Grinder Ideas.

I want to design a band grinder like those used to make knives, using 1 x 30 belts. Need good speed control and enough motor power to grind down knife billets. Seems I might need large outrunner...
11-26-2020, 05:12 AM
Replies: 7
Views: 2,118
Posted By dereckbc

Thanks, I was curious what wattage they were...

Thanks, I was curious what wattage they were using. Even 15 to 20 watt can do some serious damage, 100 watt would make me very nervous. I am an electrical engineer in the telecom sector. Did a tour...
11-25-2020, 08:12 PM
Replies: 7
Views: 2,118
Posted By dereckbc

LAZER Cutter and Engraving

Been gone from the forum for a while. Moved home to Tulsa about a year ago and just getting beck to normal life. Anyway I know 3D printers were all the rage but has the new LAZER Cutters and...
Forum: Humor
09-14-2020, 03:28 AM
Replies: 5
Views: 2,845
Posted By dereckbc

Try this. Worked in college. Drink a case of beef...

Try this. Worked in college. Drink a case of beef and eat some pickled hard boiled eggs. Soon there will be gas and a lot of it. Light a fart on fire and your hairy ass problem is gone in a flash.
...
09-14-2020, 02:54 AM
Replies: 1
Views: 4,446
Posted By dereckbc

Start with the obvious. Have you tried re-binding...

Start with the obvious. Have you tried re-binding the RX
Replies: 6
Views: 4,745
Posted By dereckbc

OK what you are describing is classic battery...

OK what you are describing is classic battery failure from one or more cells with high resistance. Put the battery on a charger, and magically in minutes shows full charged. Take it off the charger...
07-16-2020, 06:02 PM
Replies: 6
Views: 5,409
Posted By dereckbc

Well I will take some heat for this, but who...

Well I will take some heat for this, but who cares right. I am a professional electrical engineer of some 40 years specializing in power system. In all the industries like automotive, marine,...
07-16-2020, 05:38 PM
Replies: 14
Views: 3,652
Posted By dereckbc

Been a while since I checked in, but I have a...

Been a while since I checked in, but I have a fair amount of experience with AS3X. It works very well. If not Drones would not exist. I fly 3D planes, and AS3X takes a lot of workload off the pilot...
Forum: UAV / FPV
05-22-2020, 08:33 PM
Replies: 4
Views: 2,183
Posted By dereckbc

Or use them to spread the virus. Bright sunshine...

Or use them to spread the virus. Bright sunshine kills the virus within a minute.
01-02-2020, 04:55 PM
Replies: 5
Views: 5,876
Posted By dereckbc

First as long as you use 4S LFP (LiFeP04), is...

First as long as you use 4S LFP (LiFeP04), is completely compatible with Pb chargers and utilization equipment. LFP can be charged anywhere from 13.8 to 14.4 volts. One bit of advice Nigel is never...
06-23-2019, 05:38 AM
Replies: 13
Views: 19,024
Posted By dereckbc

I can help you out a bit here as I work with...

I can help you out a bit here as I work with batteries professionally. The answer you will like is YES you can do this, bu tnot quite as simple as it appears to be.

Pb batteries fall into three...
06-23-2019, 05:09 AM
Replies: 1
Views: 15,258
Posted By dereckbc

Can you frog or roll the cables.

Can you frog or roll the cables.
Forum: Power Systems
12-26-2018, 01:46 AM
Replies: 6
Views: 1,943
Posted By dereckbc

The plastic wrap as you call it does two things. ...

The plastic wrap as you call it does two things.



1. Holds the heat sink to the ESC.
2. Electrical insulation.


Cut it off and use tie wraps to secure heat sink, and ensure it does not...
12-26-2018, 01:40 AM
Replies: 15
Views: 7,508
Posted By dereckbc

Deleted, repeat.

Deleted, repeat.
12-09-2018, 06:33 AM
Replies: 1
Views: 753
Posted By dereckbc

Balance Ceiling Fan Blades

OK this has nothing to do with plane props, but just thinking outside the box. I have a ceiling fan and the blades are way out of balance and riving me crazy. Being an RC Pilot and Golfer I quickly...
11-24-2018, 06:12 AM
Replies: 9
Views: 2,458
Posted By dereckbc

Ditto. In addition if your TX is programmable,...

Ditto. In addition if your TX is programmable, you can limit the Throttle or use Expo.
10-24-2018, 09:52 PM
Replies: 15
Views: 3,210
Posted By dereckbc

Yep they call themselves the DNC

Yep they call themselves the DNC
10-24-2018, 09:51 PM
Replies: 5
Views: 2,233
Posted By dereckbc

Have another slobber nocker.

Have another slobber nocker.
06-25-2018, 04:46 PM
Replies: 6
Views: 1,471
Posted By dereckbc

Nigel perhaps make your own and get a USB 3.1 or...

Nigel perhaps make your own and get a USB 3.1 or USB-C cable, cut the unwanted end off and replace it with whatever connector you want. Keep the cable as short as possible.
06-13-2018, 07:45 PM
Replies: 17
Views: 4,615
Posted By dereckbc

Perhaps I phrased it wrong. Is it possible to...

Perhaps I phrased it wrong. Is it possible to reverse a Fan? Yes it is, but not practical. As the OP admitted burned up his controller. Now for show on ground operations it could be done to say make...
06-13-2018, 07:36 PM
Replies: 17
Views: 4,615
Posted By dereckbc

Perhaps I phrased it poorly. Is it possible to...

Perhaps I phrased it poorly. Is it possible to reverse a Fan? Yes it is, but not practical. As the OP admitted burned up his controller. Now for show on ground operations it could be done to say...
06-13-2018, 04:42 AM
Replies: 17
Views: 4,615
Posted By dereckbc

Variable Pitch with Reverse is entirely possible...

Variable Pitch with Reverse is entirely possible in both real and model aircraft. I do not see anyway possible to reverse a duct fan fan motor. It cannot be done with variable pitch that I know of,...
Forum: Combat
06-11-2018, 03:50 AM
Replies: 10
Views: 12,692
Posted By dereckbc

Face it. Nothing more fascinating and profiting...

Face it. Nothing more fascinating and profiting for humans than a good train wreck, car crashes, real plane crashes, carnage, and mayhem. The bigger the better.



Think about it. Soon we will...
05-29-2018, 08:15 PM
Replies: 2
Views: 3,252
Posted By dereckbc

Pattern Flying IMO is predetermined graceful...

Pattern Flying IMO is predetermined graceful aerobatics. 3D is Post Stall violent maneuvers. A 3D plane can do anything any sport or pattern plane can do, but only a 3D plane can do 3D.
05-23-2018, 03:32 AM
Replies: 17
Views: 2,282
Posted By dereckbc

Certainly part of it, but more to it than that....

Certainly part of it, but more to it than that. Today's 4 year Bachelor college grad is equivalent to a high school education 40 years ago. What is really scary is illiterate rate of college grads...
05-22-2018, 10:14 PM
Replies: 14
Views: 1,682
Posted By dereckbc

Yeah 3D can be annoying as can Head and Limb...

Yeah 3D can be annoying as can Head and Limb Chopper Offers.
05-22-2018, 10:05 PM
Replies: 17
Views: 2,282
Posted By dereckbc

Most likely because in the USA quit teaching...

Most likely because in the USA quit teaching mandatory Math and Science. It was to hard on kids and replaced by social engineering.
05-17-2018, 01:19 AM
Replies: 15
Views: 1,286
Posted By dereckbc

I bet and hope the Event Organizers have chewed...

I bet and hope the Event Organizers have chewed their finger nails off to the bone and bleeding. So far less than a 1/4 inch of rain in a passing cool shower or two. :mad:
Showing results 1 to 30 of 500
 


 
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