Search: Posts Made By: Craig-RCU
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Forum: ARF or RTF
10-25-2012, 10:10 PM
Replies: 24
Views: 3,666
Posted By Craig-RCU

RE: Modified GP Gee Bee pants for Robart struts

You're welcome. You'll have to let us know when you maiden. The only thing that I've been flying in the past few years is the Syma S107 indoor coaxial helicopter. 3M Dual Lock is an interesting...
Forum: ARF or RTF
10-25-2012, 02:31 PM
Replies: 24
Views: 3,666
Posted By Craig-RCU

RE: Modified GP Gee Bee pants for Robart struts

Very nice job! I like the position of the joint on your wheel pants better than what I did, because you don't need any sheathing to cover a 28mm gap as mine did. Have you flown it yet with this...
11-20-2009, 03:30 PM
Replies: 1,396
Views: 186,498
Posted By Craig-RCU

RE: KMP Corsair

Wow, with all the capital letters and bold text I'd have thought that you'd actually flown and crashed the plane to confirm that 130 mm is unflyably tail heavy. Did someone have a bad case of first...
Forum: ARF or RTF
11-17-2009, 05:57 AM
Replies: 864
Views: 105,181
Posted By Craig-RCU

RE: GP GEE BEE

Wow, that is some amazing video! I don't think that I've ever seen an r/c video that was that harrowing, yet not also disastrous. A friend of mine had a take-off experience like that when I was...
Forum: ARF or RTF
11-12-2009, 12:14 AM
Replies: 864
Views: 105,181
Posted By Craig-RCU

RE: GP GEE BEE

I saved a picture of a GB on floats, but I don't remember where I got it.
11-10-2009, 09:18 AM
Replies: 176
Views: 26,184
Posted By Craig-RCU

RE: H9 Corsair flaps

Great, be sure to post some pictures in this thread or a link to your own thread if you star one. I'll be glad to offer some advice if you need any. There is a flight video in post #38 if you...
Forum: Aerodynamics
11-04-2009, 12:29 AM
Replies: 22
Views: 6,680
Posted By Craig-RCU

RE: Balancing a canard or tandem wing biplane for initial flight.

Sorry, I guess I took your tutelage of such basic information about Burt Rutan, SC and their connection to canard designs to be a sign that you don't think that I know the most basic things about...
Forum: Aerodynamics
11-04-2009, 12:10 AM
Replies: 22
Views: 6,680
Posted By Craig-RCU

RE: Balancing a canard or tandem wing biplane for initial flight.

I'll try again. Moving the C.G. toward the elevator produces tail heavy behavior only when the elevator is toward the tail of the airplane. It's just that simple. Moving the C.G. toward the...
Forum: Aerodynamics
11-03-2009, 11:07 PM
Replies: 22
Views: 6,680
Posted By Craig-RCU

RE: Balancing a canard or tandem wing biplane for initial flight.

Yes, I figured that is what Cowboy meant. I was asking for specifics about what he thinks Burt Rutan, or anyone for that matter, would disagree with in my post #10. A comment without a specific...
Forum: Aerodynamics
11-03-2009, 12:11 AM
Replies: 22
Views: 6,680
Posted By Craig-RCU

RE: Balancing a canard or tandem wing biplane for initial flight.

You have to suspect that it is your logic that is flawed when your logic leads you to reason that, on a canard, "nose heavy=tail heavy." You are making an incorrect inference that the effect of...
11-02-2009, 02:53 AM
Replies: 844
Views: 126,564
Posted By Craig-RCU

RE: The RCFW Hellcat Group Build

Yes, a 26cc on a 64" plane wouldn't be for a beginner pilot or anything. For the right pilot, the RCG 26 sure is a cheap way to turn a 19 or 20" prop, though.
11-02-2009, 12:04 AM
Replies: 844
Views: 126,564
Posted By Craig-RCU

RE: The RCFW Hellcat Group Build

I don't know anything about it, but the RCG 26cc gasser might work too. Apparently the listed weight is wrong as the first of the reviews says the total weight of the engine, exhaust, ignition and...
11-01-2009, 12:29 AM
Replies: 10
Views: 2,195
Posted By Craig-RCU

RE: Vought F7U Cutlass....will it fly?

http://www.rcuniverse.com/forum/m_3192753/mpage_10/key_/tm.htm
I browsed through this thread after my last post and found some posts that confirm my advice in my last post. The plans are on the...
10-31-2009, 02:38 AM
Replies: 10
Views: 2,195
Posted By Craig-RCU

RE: Vought F7U Cutlass....will it fly?

I'd recommend against negative incidence. Depending on how close the main gear are to the CG, it may be really hard to take off if you have a negative incidence set up when sitting on the ground. ...
10-30-2009, 07:40 PM
Replies: 10
Views: 2,195
Posted By Craig-RCU

RE: Vought F7U Cutlass....will it fly?

The real one was only called that because it was underpowered. I don't think that will be a problem for this model that is powered by a 46sf. I might go with a 10x5 prop instead of a 10x7 to give...
10-28-2009, 09:49 PM
Replies: 13
Views: 1,742
Posted By Craig-RCU

RE: 1/7 Top Flite Spitfire or P47, which retracts

As far as I've heard, all the TF 1/7 scale warbirds fly just about equally well except for the P-40. Apparently, the P-40 has harsher tip stalling tendencies, which doesn't surprise me because I've...
10-28-2009, 05:10 PM
Replies: 13
Views: 1,742
Posted By Craig-RCU

RE: 1/7 Top Flite Spitfire or P47, which retracts

Are you talking about the stall characteristics of the P-47 or the wider gear stance that gives it better ground handling? I'd have to say that the wide gear makes the P-47 a better first-time...
10-28-2009, 05:56 AM
Replies: 13
Views: 1,742
Posted By Craig-RCU

RE: 1/7 Top Flite Spitfire or P47, which retracts

Thanks, I just enjoy the challenge of trying to optimise models to balance without nose weight. Weighing the sheeting is not 100% necessary to build a nice flying model and maybe this level of...
10-28-2009, 03:29 AM
Replies: 13
Views: 1,742
Posted By Craig-RCU

RE: 1/7 Top Flite Spitfire or P47, which retracts

I've built the 1/7 TF P-47 and installed Century Jet pneumatic retracts. The Century Jets are working well for me. My only complaint is that the instructions were rather sparse.

The build of...
10-16-2009, 09:21 PM
Replies: 2
Views: 452
Posted By Craig-RCU

RE: 60 corsair balance question

I just took a look at the TF 1/8 Corsair instructions and it appears to me that the reference to "the center of the wing" is where you are can find the CG marking on the plans. It does not seem to...
10-15-2009, 08:16 PM
Replies: 21
Views: 4,791
Posted By Craig-RCU

RE: topflite spitfire retracts

Mechanicals can be operated from the other side without modification by turning the control horn of the retract pushrod to the side or top (depending on what's convenient) and then bending the...
09-23-2009, 06:16 PM
Replies: 215
Views: 32,969
Posted By Craig-RCU

RE: Gauging interest, Hellcat group build

I had the same problem when searching for wheels for my H9 Corsair, all 3" plus diameter wheels are too thick at about 1-1/8". The only exeption I've found are Dave Brown treaded lite wheels which...
09-19-2009, 02:36 PM
Replies: 215
Views: 32,969
Posted By Craig-RCU

RE: Gauging interest, Hellcat group build

Yes, the TF Corsair was the first model that I was aware that used the technique. I haven't built the TF Corsair myself, but I borrowed the technique when I bashed some flaps onto my H9 Corsair. I...
09-19-2009, 04:32 AM
Replies: 215
Views: 32,969
Posted By Craig-RCU

RE: Gauging interest, Hellcat group build

Chad, you're welcome, and thanks for the offer of help, much appreciated. It looks like the techniques that Jim used are very transferable to a 64" model without too much trouble. I think most of...
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