Search: Posts Made By: RC Fan Chris
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07-30-2012, 03:44 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

Bump..

Bump..
07-23-2012, 06:15 PM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

With the 1350 mAh LiPo in the cowl, the cg would...

With the 1350 mAh LiPo in the cowl, the cg would be at 33% (3.5in). Weight would still be 36 oz or so. I could add weight in the nose if i need to, but I hate to add extra weight.

Also, I have an...
07-23-2012, 05:05 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

Btw, I plan to use a smaller 1300 mAh or so batt...

Btw, I plan to use a smaller 1300 mAh or so batt and put it in the cowl to balance the plane better. With that, the cg moved to a bit under 3.5 in. from the LE. Is that fine?
07-22-2012, 06:26 AM
Replies: 33
Views: 9,804
Posted By RC Fan Chris

The paint really sets it apart. Very well done.

The paint really sets it apart. Very well done.
07-22-2012, 05:26 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

Bump. I'm pretty much finished with this plane,...

Bump.
I'm pretty much finished with this plane, finally. But I have a slight problem. The cg is too far back, and I really don't want to add weight in the nose because the plane weighs 37 oz. I...
07-22-2012, 05:03 AM
Replies: 14
Views: 10,832
Posted By RC Fan Chris

Update. I use the balancer every time I charge,...

Update. I use the balancer every time I charge, and it hasn't gotten hot anymore. My guess is that the packs were just out of balance.
07-17-2012, 07:13 AM
Replies: 19
Views: 9,595
Posted By RC Fan Chris

Stumbled on this thread trying to figure out the...

Stumbled on this thread trying to figure out the reason why thrust angle was needed, and the torque explanation wasn't cutting it for me.
Very in depth, and scientific, just the way I like it!
06-27-2012, 07:09 PM
Replies: 13
Views: 4,675
Posted By RC Fan Chris

Does it matter much if the ESC is overqualified?...

Does it matter much if the ESC is overqualified? I just got a 36 castle ESC, btw.
06-27-2012, 06:22 PM
Replies: 13
Views: 4,675
Posted By RC Fan Chris

I checked the ESC again, and sure enough, the...

I checked the ESC again, and sure enough, the dang black terminal was completely off the circuit board. Not sure if that came off before the incident, or if the incident caused it to come off.
06-27-2012, 06:20 PM
Replies: 13
Views: 4,675
Posted By RC Fan Chris

Sorry, the prop is actually a 10 by 6. I used to...

Sorry, the prop is actually a 10 by 6. I used to have an 8 on there before, I think, then bumped up for more thrust. LiPo is a 3 cell 2200 mAh.
06-27-2012, 02:57 PM
Replies: 13
Views: 4,675
Posted By RC Fan Chris

Prop was an 8 by 6. The leads coming from the...

Prop was an 8 by 6. The leads coming from the motor were pretty secured going to the ESC, since they went through a smallish hole in the firewall. That black lead always was the troublemaker though....
06-27-2012, 04:35 AM
Replies: 13
Views: 4,675
Posted By RC Fan Chris

Angry Blown (up) ESC and motor.

I was flying a scratch built plane the other day, and right after I landed, the ESC and motor both died. Outside temp was 65 ish degrees, slight wind. ESC is (was) a Swift 50 A model, and the motor...
06-17-2012, 05:19 AM
Replies: 14
Views: 10,832
Posted By RC Fan Chris

What would you recommend I do: return the...

What would you recommend I do: return the separate balancer and buy a dedicated LiPo charger/balancer, or keep using the set up I have?
06-17-2012, 04:33 AM
Replies: 14
Views: 10,832
Posted By RC Fan Chris

Well, the charger's only a few years old, and it...

Well, the charger's only a few years old, and it has an LCD screen showing what the charge/discharge rate, voltages, batt type, etc. are. I googled the charger, and a bunch of people who bought it...
06-16-2012, 09:58 PM
Replies: 14
Views: 10,832
Posted By RC Fan Chris

The charger I have is a duratrax ice charger that...

The charger I have is a duratrax ice charger that has settings for charging anything from nicads to LiPo's. It was around $130. I just needed a balancer.
06-13-2012, 11:09 AM
Replies: 14
Views: 10,832
Posted By RC Fan Chris

It's a separate balancer made by Common Sense RC....

It's a separate balancer made by Common Sense RC. The LiPo itself doesn't get warm, though.
06-13-2012, 05:21 AM
Replies: 14
Views: 10,832
Posted By RC Fan Chris

Is it normal for LiPo balances to get hot?

I have a LiPo balancer and it gets warm pretty quickly. It almost gets too hot to touch when its been on the battery for a couple minutes, so I rigged up a computer fan to cool it a little. So is it...
06-13-2012, 04:45 AM
Replies: 14
Views: 6,898
Posted By RC Fan Chris

Update: the reason the first plane's motor didn't...

Update: the reason the first plane's motor didn't turn properly was a loose, corroded soldered connection between the ESC and one of the wires going to the motor. It was resoldered and now everything...
06-11-2012, 07:29 PM
Replies: 14
Views: 6,898
Posted By RC Fan Chris

Good news. I tested the second plane , making...

Good news. I tested the second plane , making sure the motor to ESC connections were secure, and everything worked perfectly. However, I used a different, older Rx and Tx for this because the newer...
06-11-2012, 04:18 AM
Replies: 14
Views: 6,898
Posted By RC Fan Chris

I charged and balanced the batteries right...

I charged and balanced the batteries right before. I didn't check the voltages though.
06-11-2012, 03:32 AM
Replies: 14
Views: 6,898
Posted By RC Fan Chris

Exclamation Problem with either LiPo's, ESC's, or BL motors...

I have 2 lipo's with identical specs: 3S, 25C, 2200 mAh. Just recently, I tried to fly a plane with a BL motor with one of the two lipos when a weird problem came up. When I throttled the motor up,...
09-01-2011, 05:11 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

Took forever, but I almost done. Exterior work is...

Took forever, but I almost done. Exterior work is pretty much complete. Just have to hook up servos, batt, etc. and test to make sure they work. Took some pics, and I'd have to say it turned out...
Forum: Foamies
06-21-2011, 07:51 PM
Replies: 4
Views: 1,849
Posted By RC Fan Chris

Question on covering foam

What's the best way to cover blue Dow insulation foam? I've been building a sport plane and I'm ready to cover it with monokote, econocote, etc.
I've tested some monokote I had on a piece of the...
Forum: Power Systems
06-21-2011, 07:46 PM
Replies: 1
Views: 1,214
Posted By RC Fan Chris

BL motor question

I have a scratchbuilt plane affectionately called the 'beater jet' (not pretty up close, but definitely convincing as a jet in the air) and after flying it a couple times, I noticed something. The...
Forum: Aerodynamics
06-13-2011, 10:48 PM
Replies: 28
Views: 16,791
Posted By RC Fan Chris

Very interesting thread. ...

Very interesting thread. ....mumble...updates...mumble.mumble..... ;)
05-27-2011, 01:26 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

I will probably use a bigger motor for this...

I will probably use a bigger motor for this plane. It's one step up from the 2217-9 one that I currently have.. I have to check the current draw on that to make sure its 30 A or less.
05-26-2011, 04:53 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

I'm also considering having the wing sections...

I'm also considering having the wing sections permanently glued onto the spar. This would ensure that my wing won't shift around in flight as much. However, I'm worried that it would make repairs...
05-26-2011, 04:50 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

????Stupid question, :blah: probably, but...

????Stupid question, :blah: probably, but anyways... My motor will draw less than 20 amps. My battery (quite large) can give around 50A in short bursts, and well over 30 continuous. So, with my 30A...
02-22-2011, 04:09 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

40 inch wing all foam, 25-30 oz plane, maybe...

40 inch wing all foam, 25-30 oz plane, maybe 40-50 mph or thereabouts. Dont know about the watts. All I've done on the wings are just drilled the hole for the center spar.
02-22-2011, 03:09 AM
Replies: 36
Views: 8,177
Posted By RC Fan Chris

Hmmm I've never even considered 2 piece spars,...

Hmmm I've never even considered 2 piece spars, lol. Right now, I'm having the wings removable with holes drilled in them for the spar. How would I do a 2 spar design with removable wings? I'd be very...
Showing results 1 to 30 of 40
 


 
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