Search: Posts Made By: dbacque
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10-09-2017, 12:37 PM
Replies: 6
Views: 2,175
Posted By dbacque

Beware of putting a heavier engine on the...

Beware of putting a heavier engine on the Epsilon. I have flown one for almost 10 years. With the OS .91, the CG was spot on. The plane was designed around that engine. I eventually upgraded to...
01-23-2017, 12:29 PM
Replies: 12
Views: 655
Posted By dbacque

I used to use G-10 for building boomerangs and...

I used to use G-10 for building boomerangs and I've cut quite a bit of it. First of all, wear a good respirator. That dust is extremely bad for you!

A band saw does work well but yes, it...
12-21-2016, 01:23 PM
Replies: 49
Views: 5,758
Posted By dbacque

Pappy, don't ditch the band saw! It's one of the...

Pappy, don't ditch the band saw! It's one of the two most useful tools in my shop, right up there with the drill press. I've got a great table saw and a good scroll saw but for model building, I...
12-20-2016, 02:14 PM
Replies: 49
Views: 5,758
Posted By dbacque

You may not be happy with the answer but a band...

You may not be happy with the answer but a band saw will never make cuts as smooth as a table saw. I use my band saw all the time but the usual technique is to cut just a hair large and then sand...
12-11-2016, 06:01 PM
Replies: 21
Views: 738
Posted By dbacque

The generalization that it's "The same as all of...

The generalization that it's "The same as all of them, differential thrust", is still wrong.

First of all, most quadcopters don't use differential thrust to create yaw. Increasing the...
12-10-2016, 04:57 PM
Replies: 21
Views: 738
Posted By dbacque

There's information here on a single motor...

There's information here on a single motor quadcopter that uses constant speed rotors with variable pitch controlling yaw. https://www.youtube.com/watch?v=fkSx3fSz0tE

Also, diagrams of the...
12-09-2016, 08:21 PM
Replies: 21
Views: 738
Posted By dbacque

Hey RC_Fanitic, I haven't quit thinking...

Hey RC_Fanitic,

I haven't quit thinking about this one. I didn't think about it at all when I watched the video. But after you asked, I realized that it might be something different. I'm still...
12-07-2016, 05:00 PM
Replies: 21
Views: 738
Posted By dbacque

I started to say you might get an answer sooner...

I started to say you might get an answer sooner on another forum but I'm really wanting to see the answer too, so I didn't mention it. Can't wait for the real answer.

Dave
12-07-2016, 03:20 PM
Replies: 21
Views: 738
Posted By dbacque

No Andy, I don't think it's just like all of...

No Andy, I don't think it's just like all of them. I'm no expert but regular quads don't use differential thrust to create yaw. They use differential rotation, right? The 2 props rotating one...
Forum: Aerodynamics
10-06-2016, 01:26 PM
Replies: 10
Views: 1,076
Posted By dbacque

Incorrect wing/stab incidence can also cause...

Incorrect wing/stab incidence can also cause speed sensitivity in pitch trim. A good test for this is to trim the plane out for level flight at full throttle. Then as the plane passes in front of...
09-22-2016, 05:06 PM
Replies: 13
Views: 682
Posted By dbacque

One idea for you, make one a little wider than...

One idea for you, make one a little wider than the next. Then when you need to move them out of the way, they will nest together and take up much less room.
09-11-2016, 11:45 AM
Replies: 32
Views: 1,708
Posted By dbacque

Do you have any servos in the tail? If so, move...

Do you have any servos in the tail? If so, move them as for forward as possible and use very stiff, well supported pushrods. Where is the battery? Move it as far forward as possible. Every ounce...
09-01-2016, 11:20 AM
Replies: 6
Views: 589
Posted By dbacque

As Jester said, static balancing is just to get...

As Jester said, static balancing is just to get started. The true balancing is tested in the air.

Another method of testing for lateral balance in flight is after getting your CG to feel right,...
07-31-2016, 01:51 PM
Replies: 10
Views: 1,899
Posted By dbacque

I also have no plans but I fly a Symphony and...

I also have no plans but I fly a Symphony and it's a killer. Same offer. If you need measurements, CG, mixes, etc.

Dave
Forum: Kit Building
05-14-2016, 05:27 PM
Replies: 8
Views: 1,453
Posted By dbacque

I have Fiberglass Specialties cowl and wheel...

I have Fiberglass Specialties cowl and wheel pants on mine. Perfect fit and much nicer than the ABS stuff that came with the kit.

Dave
02-08-2016, 04:40 PM
Replies: 6
Views: 1,872
Posted By dbacque

One word ... felineocide! Just kidding, I...

One word ... felineocide!

Just kidding, I love cats. And when one of mine found out how much he loved to chew on the soft balsa nose and wingtip blocks, all I could do was laugh and find ways to...
01-23-2016, 04:48 PM
Replies: 15
Views: 1,202
Posted By dbacque

I believe the latest name for it is "Drone"! ...

I believe the latest name for it is "Drone"! ;)
Forum: Kit Building
12-27-2015, 12:40 PM
Replies: 19
Views: 2,461
Posted By dbacque

Don't worry about it Tom. I've got solid blocks...

Don't worry about it Tom. I've got solid blocks on mine and it's an absolute riot to fly.

Dave
12-21-2015, 12:19 PM
Replies: 41
Views: 2,022
Posted By dbacque

Just like Obamacare, it didn't take long for the...

Just like Obamacare, it didn't take long for the web site to crash.
12-21-2015, 07:41 AM
Replies: 47
Views: 2,328
Posted By dbacque

I'll pass on hand launching that one! Dave

I'll pass on hand launching that one!

Dave
12-19-2015, 06:04 PM
Replies: 16
Views: 1,885
Posted By dbacque

Skinut, very cool what you did with the stab. ...

Skinut, very cool what you did with the stab. You'll have a much easier time getting to the battery if you need to mount it as far back as I had to.

Now that you mention it, the LE dowel mounts...
12-19-2015, 03:11 PM
Replies: 16
Views: 1,885
Posted By dbacque

Duplicate post.

Duplicate post.
12-19-2015, 03:09 PM
Replies: 16
Views: 1,885
Posted By dbacque

Skinut, You sir, are going to have a blast! ...

Skinut,

You sir, are going to have a blast! I've got a Wonder with a Jett .25 on it that I fly almost every trip to the field for the last season. In a word, it is Fassssst!

I just opened...
12-12-2015, 08:58 AM
Replies: 98
Views: 4,247
Posted By dbacque

I ordered my BSE .50 LS RE with pipe and header. ...

I ordered my BSE .50 LS RE with pipe and header. I didn't think of the header configuration. It came with a top of fuselage type of header so I'm going to have to replace it. I know for a fact...
12-11-2015, 09:30 PM
Replies: 68
Views: 3,975
Posted By dbacque

Back in the day that we were mounting servos with...

Back in the day that we were mounting servos with "servo tape", now known as double stick foam tape, I always made sure to coat the surface to be adhered to with epoxy or CA or something. Just get a...
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