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 0.08 seconds.
Search: Posts Made By: Larry3215
Forum: General Electric Discussions 02-17-2015, 03:38 AM
Replies: 8
Views: 282
Posted By Larry3215
I wonder what kind of magnets they use in the...

I wonder what kind of magnets they use in the irons? Actually, thats just idle curiosity :)

Our motor magnets could never stand up to the temps you see in a soldering iron and dont recover when...
Forum: Multi-Rotors 02-16-2015, 09:15 PM
Replies: 14
Views: 248
Posted By Larry3215
I would also check your failsafe settings. Your...

I would also check your failsafe settings. Your failsafe cutoff voltage may just be a tad too hi.
Forum: General Electric Discussions 02-16-2015, 09:07 PM
Replies: 8
Views: 282
Posted By Larry3215
You sure they dont use bi-metal strips instead of...

You sure they dont use bi-metal strips instead of magnets? Ive never heard of a magnet that recovers after being over heated beyond its max. The magnets in our motors certainly do not recover when...
Forum: Multi-Rotors 01-06-2015, 07:21 AM
Replies: 37
Views: 1,304
Posted By Larry3215
Here are some better pics so you can see the...

Here are some better pics so you can see the relationship between the rear props and frame, etc.

I was originally going to go with an A-Tail this time but I decided to stick with the V for several...
Forum: Multi-Rotors 01-06-2015, 06:21 AM
Replies: 37
Views: 1,304
Posted By Larry3215
Those pics are not very good if I do say so...

Those pics are not very good if I do say so myself :)

The rear props wont hit the ground until the bank angle is well over 45 degrees. In fact, the front props will hit first at just over 45 deg...
Forum: Multi-Rotors 01-06-2015, 02:49 AM
Replies: 37
Views: 1,304
Posted By Larry3215
I finished the new frame and managed to do a...

I finished the new frame and managed to do a quick test hop and it flys much better!

There is still some adverse roll with yaw inputs, but its minor.

I managed to shave 500 gms off the all up...
Forum: Hi-Performance and Sailplanes 01-03-2015, 01:27 AM
Replies: 18
Views: 3,261
Posted By Larry3215
Yup, but almost no one actually does that :)

Yup, but almost no one actually does that :)
Forum: Hi-Performance and Sailplanes 01-02-2015, 06:17 PM
Replies: 18
Views: 3,261
Posted By Larry3215
From my reading and experience, thats what most...

From my reading and experience, thats what most guys seem to do when converting sailplanes to electric power - they put in a system with way too much power.

That equals a model way over weight in...
Forum: Hi-Performance and Sailplanes 01-02-2015, 06:03 AM
Replies: 18
Views: 3,261
Posted By Larry3215
I sold the Mirage ;ast year so I cold build a...

I sold the Mirage ;ast year so I cold build a Bubble Dancer. I still miss it though!

I used a Hacker A20-22L motor, 11x6 folding prop, ThunderPower 70C 3S 850 mahr packs. All servos were Hitec...
Forum: Multi-Rotors 12-31-2014, 11:49 PM
Replies: 37
Views: 1,304
Posted By Larry3215
Ive given up on trying to tune out my adverse...

Ive given up on trying to tune out my adverse roll problem.

It looks to me like Im fighting a combination off an under powered quad and poor geometry on the rear motors.

So, Im going to build a...
Forum: Multi-Rotors 12-27-2014, 08:36 AM
Replies: 37
Views: 1,304
Posted By Larry3215
The folding props are something I considered but...

The folding props are something I considered but I couldnt find any that looked like they would work well with the motor/battery combo I chose.

If I cant tune this problem out, I will build a new...
Forum: Multi-Rotors 12-27-2014, 04:53 AM
Replies: 37
Views: 1,304
Posted By Larry3215
Thanks for the feed back! The rear motors...

Thanks for the feed back!

The rear motors are mounted at a +-40 degree angle on purpose. Thats how its supposed to be for a V-Tail quad.

Im sure I could change things around to get them all at...
Forum: Multi-Rotors 12-27-2014, 03:39 AM
Replies: 37
Views: 1,304
Posted By Larry3215
Maiden success!

Well, its taken me a while but I finally got my v-tail PVC scratch built quad off the ground - and its not broken! :D

I have been mostly messing with a faulty M8N GPS module, playing with Mission...
Forum: Batteries & Chargers 12-27-2014, 03:13 AM
Replies: 32
Views: 741
Posted By Larry3215
And then you would have to build a fireproof...

And then you would have to build a fireproof container or it would set your bench on fire! It might also unsolder the connections if you didnt have a fan running in it full time :)
Forum: Batteries & Chargers 12-26-2014, 08:56 AM
Replies: 32
Views: 741
Posted By Larry3215
Nicely done JPF!!

Nicely done JPF!!
Forum: Multi-Rotors 12-04-2014, 09:38 AM
Replies: 37
Views: 1,304
Posted By Larry3215
It occurs to me that building your first quad is...

It occurs to me that building your first quad is a lot like learning about the Taranis radio - it can be very very frustrating at first.

Its not that there is a lack of information, there is...
Forum: Multi-Rotors 12-04-2014, 09:17 AM
Replies: 37
Views: 1,304
Posted By Larry3215
The frame construction is going slow. I have the...

The frame construction is going slow. I have the basic frame built and the motors mounted but not aligned. I still need to make two more landing gear legs and the deck for the electronics and then...
Forum: Multi-Rotors 11-28-2014, 03:37 AM
Replies: 37
Views: 1,304
Posted By Larry3215
How does that old saying go - "I'd rather be...

How does that old saying go - "I'd rather be lucky than good"?

I'll take either one :D
Forum: Multi-Rotors 11-27-2014, 08:00 AM
Replies: 37
Views: 1,304
Posted By Larry3215
Well, things were going great until I decided to...

Well, things were going great until I decided to open up the RTFHawk case so I could add some foam over the barometer chip.

If you look at the sides of the case, you will see what look like two...
Forum: Multi-Rotors 11-26-2014, 10:46 PM
Replies: 37
Views: 1,304
Posted By Larry3215
My RTFHawk and accessories arrived today :) ...

My RTFHawk and accessories arrived today :)

Still early in the testing, but so far the Hawk board seems to be working fine. It connects to Mission Planner and Ive up-dated the firmware and done an...
Forum: Multi-Rotors 11-26-2014, 06:36 AM
Replies: 13
Views: 349
Posted By Larry3215
Thanks for the correction Terry. I still get...

Thanks for the correction Terry. I still get confused easily :)
Forum: Multi-Rotors 11-25-2014, 02:39 PM
Replies: 13
Views: 349
Posted By Larry3215
Im looking forward to following your progress...

Im looking forward to following your progress Frank :)

I went back and forth between the NAZA/NAZE32 boards and the PixHawk/clone boards for quite a while. The "real" versions of either were...
Forum: Multi-Rotors 11-25-2014, 12:45 AM
Replies: 13
Views: 349
Posted By Larry3215
Well, my Whitespy RTFHawk order just shipped - 9...

Well, my Whitespy RTFHawk order just shipped - 9 days after ordering. That seems to be about average for RTF Quads.

Now to see if the board actually works... :)
Forum: Multi-Rotors 11-20-2014, 01:57 AM
Replies: 37
Views: 1,304
Posted By Larry3215
Thanks! One up-date. The 1/2" thin wall sch...

Thanks!

One up-date. The 1/2" thin wall sch 20 PVC seemed too flexible for the size/weight quad Im planning, so I went with 1" thin wall. I could only find sch 40 fittings though. Hopefully, it...
Forum: Multi-Rotors 11-19-2014, 08:12 AM
Replies: 37
Views: 1,304
Posted By Larry3215
I want to thank everyone for their advice and...

I want to thank everyone for their advice and suggestions - even though I may have ignored it! ;)

I have finally made a decision and ordered some parts. Here is the parts list. I did NOT stay...
Forum: Beginners 11-19-2014, 03:34 AM
Replies: 17
Views: 616
Posted By Larry3215
+2 At best the calc programs will get you...

+2

At best the calc programs will get you into the ball park. In my experience your pretty lucky to get within 20% of actual measured numbers.

For starters, the numbers you get from motor mfgs...
Forum: General Electric Discussions 11-19-2014, 03:22 AM
Replies: 16
Views: 446
Posted By Larry3215
Sorry for the sloppy typing. As noted - that...

Sorry for the sloppy typing. As noted - that should have read washOUT.

Although it is possible that you will find one wing has too much washout already and needs to go the other way. So I might...
Forum: General Electric Discussions 11-17-2014, 10:40 PM
Replies: 16
Views: 446
Posted By Larry3215
You may just be trying to fly too slow :) Id...

You may just be trying to fly too slow :)

Id start by checking the wing for washout/washin using some story sticks or an incidence meter if you have one. Add washin if needed, then re-fly.

Then...
Forum: General Electric Discussions 11-17-2014, 09:29 PM
Replies: 16
Views: 446
Posted By Larry3215
Are you sure its a tip stall and not just flying...

Are you sure its a tip stall and not just flying too slow for the elevator to function? Does the wing have any washout in it now? Have you tried moving the cg back?
Forum: Power Systems 11-10-2014, 04:04 AM
Replies: 16
Views: 526
Posted By Larry3215
I dont know about the throttle position...

I dont know about the throttle position predictions in MotoCalc.

In my experience, MotoCalc is good as a very very general guide only. It can get you in the ballpark, but thats about it. I would...
Showing results 1 to 30 of 500

 
Forum Jump

All times are GMT +1. The time now is 07:38 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 0.29338 seconds with 13 queries