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Search: Posts Made By: mmabc
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Forum: Aerodynamics
08-21-2013, 11:25 AM
Replies: 9
Views: 1,540
Posted By mmabc

I didn't understand why it would affect only one...

I didn't understand why it would affect only one side and not the other. It was so pronounced. It would go into a 90deg banked turn. Now, it just drifts off course. I figured it had to do with...
Forum: Aerodynamics
08-21-2013, 07:20 AM
Replies: 9
Views: 1,540
Posted By mmabc

I realized there was a crack in the fuselage from...

I realized there was a crack in the fuselage from a previous crash. It had shifted the whole tail over to the right by a half inch. I fixed that, but I don't think it made much difference. I read...
Forum: Aerodynamics
08-19-2013, 06:04 PM
Replies: 9
Views: 1,540
Posted By mmabc

Right rudder causes pitch up

I have a 3d foamie I've just started flying. If I knife edge with left rudder, it's perfect. It flies straight with no tendency to pitch or roll. Knife edge with right rudder causes it to pitch...
Forum: Glow Engines
08-17-2013, 05:30 PM
Replies: 0
Views: 317
Posted By mmabc

OS 61 carburetor fuel leak problem

I have been trying to recover a 20 year old OS 61 pump engine. I disassembled the engine and carburetor to soak in fuel and clean/loosen the gunk. That worked well. I've got it reassembled and...
08-13-2013, 06:05 PM
Replies: 8
Views: 494
Posted By mmabc

Well, I'm happy to say that was it. The radio...

Well, I'm happy to say that was it. The radio was set to failsafe, or should I say fail dangerously? I don't know why it was. I thought I reset it to factory defaults, and I would be surprised if...
08-13-2013, 11:02 AM
Replies: 8
Views: 494
Posted By mmabc

That's an interesting thought. Looking at the...

That's an interesting thought. Looking at the manual for my Futaba 7C radio:

FailSafe (F/S ): instructs a receiver what to do in the event radio interference is received.
Adjustability:
• Only...
08-13-2013, 04:11 AM
Replies: 8
Views: 494
Posted By mmabc

It's a Detrum ESC I got from HobbyKing. I can...

It's a Detrum ESC I got from HobbyKing. I can program brake setting, battery type, low voltage cutoff mode, cutoff threshold, startup mode, and timing. I can also adjust throttle range setting. I...
08-12-2013, 06:38 PM
Replies: 8
Views: 494
Posted By mmabc

Well, this isn't the first response like this...

Well, this isn't the first response like this I've gotten. It's not much of an explanation or solution though.

I'm no expert on RC radio technology, but the receiver can't just pick up a...
08-12-2013, 11:30 AM
Replies: 8
Views: 494
Posted By mmabc

Question on ESC

I'm new to electrics, and I just finished setting up my first plane. I was setting up the receiver and servos when I realized that if I switched off my transmitter, the ESC consistently turns on...
07-24-2013, 08:23 AM
Replies: 11
Views: 2,038
Posted By mmabc

RE: Questions on the build as I go

Just a couple of comments:

The stabilizer has a 1/8" slot on the TE for a plywood hinge. The skin layers had the slot cut in the wrong place that didn't align with the core layer (like an 1/8"...
07-23-2013, 04:25 AM
Replies: 11
Views: 2,038
Posted By mmabc

RE: Questions on the build as I go

My question was should I use CA glue? 
07-22-2013, 07:11 PM
Replies: 11
Views: 2,038
Posted By mmabc

RE: Questions on the build as I go

For installing the main spar, the instructions say:

22. Flip the wing over so you are looking at the top of the wing with all the lightning holes exposed. Bend the main wing spar to the shape of...
07-22-2013, 12:18 PM
Replies: 11
Views: 2,038
Posted By mmabc

RE: Questions on the build as I go

John,

I was thinking about this a bit more. I was thinking about getting landing gear. Do you agree that's a good idea, or do you think that's really unnecessary?
If I were to get landing gear,...
07-21-2013, 05:07 PM
Replies: 11
Views: 2,038
Posted By mmabc

RE: Questions on the build as I go

Ok, I figured the strips were supposed to gothere, but it just wasn't clear. Thanks
07-21-2013, 01:23 PM
Replies: 11
Views: 2,038
Posted By mmabc

Questions on the build as I go

After glueing in the main fuselage spars, step six has you glueing the 2mm laminates on one side of the fuselage. Step 7 says: CA the 2 carbon spar slots over the landing gear area if you intend to...
Replies: 8
Views: 3,849
Posted By mmabc

RE: 2.4G receiver installation

Yes, it's a Futaba 7C radio, one receiver with dual antennas.  You've answered my question.  I didn't understand that only the last inch of the antenna cable is actually the antenna.   I thought they...
Replies: 8
Views: 3,849
Posted By mmabc

2.4G receiver installation

I've never had a 2.4G radio, and I'm installing the receiver in a .60 size ugly stick. The manual says install it such that the two antennas are straight and at 90 degrees from each other. My...
06-21-2013, 01:47 PM
Replies: 5
Views: 1,950
Posted By mmabc

RE: How about a parts list?

I've been looking into choosing an ESC. They range in cost from under $10 to over $40. Most of these ESCs have a linear BEC with a spec just generally 5v/2A. Many have comments in the manual to...
06-18-2013, 02:59 PM
Replies: 5
Views: 1,950
Posted By mmabc

RE: How about a parts list?

sounds simple enough. I've never had an electric plane before. For example I don't know anything about selecting batteries, the ESC or a charger. I found a sticky thread in general electrics that I...
06-16-2013, 06:17 PM
Replies: 15
Views: 1,439
Posted By mmabc

RE: OS 61RF recovery

I'm pleased the rear bearing looks pretty good. There's gunk but I don't see any pitting or anything. Now that the piston is out, it's got a real smooth action to it. What about the crankshaft? Does...
06-16-2013, 06:06 PM
Replies: 15
Views: 1,439
Posted By mmabc

RE: OS 61RF recovery

Excellent. I got it. Read another thread that said to put a servo control horn through the exhaust port. A couple of heat cycles plus that, and it popped right out.
06-16-2013, 05:41 PM
Replies: 15
Views: 1,439
Posted By mmabc

RE: OS 61RF recovery

I put it in boiling water for a few, and that really did loosen things up. The sleeve isn't budging though. I'm trying to remove it gently with the piston all the way down.

Would it help to soak...
06-16-2013, 04:21 PM
Replies: 15
Views: 1,439
Posted By mmabc

OS 61RF recovery

I have an OS 61RF with pump. I'm trying to disassemble it for inspection, clean up, and possible bearing replacement.

How do you remove the connecting rod?

It has sat up for 20 years. What can...
06-16-2013, 05:17 AM
Replies: 5
Views: 1,950
Posted By mmabc

How about a parts list?

I've just ordered a Superxtra. I have a Futaba 7C with a R617FS receiver and nothing else.

What else do Ineed to complete the kit?
Forum: Beginners
06-15-2013, 03:16 PM
Replies: 8
Views: 752
Posted By mmabc

glow fuel - what can I expect to pay?

I haven't flown in years and was about to buy four gallons of glow fuel from Tower Hobbies. Then I saw the $27 haz mat charge. That puts it well up into the ridiculous price range. What can I expect...
Showing results 1 to 25 of 34
 


 
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