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Search: Posts Made By: TRoc
Showing results 1 to 25 of 77
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Forum: Giant Scale Aircraft - General
12-21-2009, 05:52 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Hi Carl,

That's an interesting find. I'll have to dig up that issue of RCM and read it again. That article is what inspired me to get a Treehopper.

One modification I've been contemplating...
Forum: Giant Scale Aircraft - 3D & Aerobatic
06-22-2008, 03:53 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Thanks for the report amj! Good job. I was interested in hearing about the stab situation. My plane required a couple clicks of right aileron and my next move was to check incidences on the stab....
Forum: Giant Scale Aircraft - General
05-13-2008, 10:26 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Thanks Ben, I just saw it. Way to go!!!!! You rock!
Forum: Twin & Multi Engine RC Aircraft
05-13-2008, 10:25 PM
Replies: 21
Views: 3,627
Posted By TRoc

RE: Treehopper Twin

Good job, Ben! Way to go! You can feel good that you did something different by building a twin and being successfull at it! Sounds like it's a winner....
Forum: Giant Scale Aircraft - General
04-26-2008, 11:23 AM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Hi Chicks,

One way to do this is to use the capabilities of your radio by "mixing" two channels into one. Instead of running both elevator servos through a Y harness, one servo is plugged into...
Forum: Giant Scale Aircraft - 3D & Aerobatic
03-06-2008, 03:02 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Hi Kallem,

I have not flown my Extra 2.12 yet so maybe someone else who actually has some first hand knowledge and experience with the CG on this plane will step in and comment. Until they do, I...
Forum: Giant Scale Aircraft - 3D & Aerobatic
02-11-2008, 09:31 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Hi Andres,

I don't have the weight as my gear is mounted with pants and wheels attached but here are some rough dimensions (pardon the use of both inches and mm):

The gear is in two pieces...
Forum: Giant Scale Aircraft - 3D & Aerobatic
12-14-2007, 08:42 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Hi Rob,

I thought about doing what you are saying, that is, rotate the washers 90 degrees and then mill for the up thrust. As I understand it, the second jig would be a little more complicated...
Forum: Giant Scale Aircraft - 3D & Aerobatic
12-05-2007, 12:36 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Whew! Yes they are, er...pretty close. Thanks, that makes me feel better! [sm=teeth_smile.gif]



In my mind, I think the change in airflow over the wing/stab (prop blast/airspeed changes)...
Forum: Giant Scale Aircraft - 3D & Aerobatic
12-05-2007, 11:18 AM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Woops. [sm=what_smile.gif]Last night I realized that I messed up and was saying 1 1/2 degree upthrust where the instructions actually call for 0.5 to 0.75 degrees. Sorry for any confusion.[&o]
Forum: Giant Scale Aircraft - 3D & Aerobatic
12-02-2007, 04:21 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Thanks Nick,

I appreciate the feedback and was interested to hear what you did.

So I wonder, ideally, if those washers I have should really be cut to 5 degrees total (3 1/2 for right...
Forum: Giant Scale Aircraft - 3D & Aerobatic
12-01-2007, 08:29 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Thanks FM. I believe I understand what you're saying. I only plan to use the 3 1/2 degree washers to keep the base of the standoffs parallel to the the tapered washers; flat washers (of a yet to be...
Forum: Giant Scale Aircraft - 3D & Aerobatic
12-01-2007, 05:29 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Those double carbon horns look nice.

I'm glad that BaldEagle and frisconick (I believe) posted info earlier regarding the engine firewall offset dimensions or I would have probably walked right...
Forum: Giant Scale Aircraft - General
11-23-2007, 09:59 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Congratulations, Craig! Glad to see someone else get airborne with their Treehopper. Nice job keeping the weight down to 13 lbs. too. Looks good.

Tom
Forum: Giant Scale Aircraft - General
11-22-2007, 01:36 AM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Hi Ben,

I'm tempted to put mine on floats too. A guy in the club says the plane is just itchin' to have floats on it.

Wow, 12" on each wing! Were I to build another, I'd be tempted to...
Forum: Giant Scale Aircraft - General
11-22-2007, 01:09 AM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Hi Craig,

I wouldn't call it a "floater" but there seems to be enough wing to do the job. It definately doesn't fly like a .40 size airplane and you can tell it has some mass, but I don't feel...
Forum: Giant Scale Aircraft - General
11-21-2007, 06:26 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

I'm not so bold as to say that the following is the way to go; it's just what's working for me right now. Here is what I came up with on my Tree Hopper:

CG (empty) = about 4 1/4" aft of the...
Forum: Giant Scale Aircraft - General
11-16-2007, 06:57 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Hi All,

Chicks5: Ben's comment on the throws sounds about what I used; it will probably be next week sometime (I'm out of town right now), but I'll plan on putting my Treehopper together and...
Forum: Twin & Multi Engine RC Aircraft
11-13-2007, 11:50 AM
Replies: 21
Views: 3,627
Posted By TRoc

RE: Treehopper Twin

Ben,

I think I was focusing more on getting the engine to run well so didn't get around to experimenting with the CG; The plane actually flew fine where I had the CG from the start and I didn't...
Forum: Giant Scale Aircraft - General
11-12-2007, 10:01 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Ben,

I've been looking at Ohio Superstar tailwheels. Do you prefer the "leaf spring" type or the "wire spring" "haigh" type? I don't know what advantage one has over the other.


Tom
Forum: Twin & Multi Engine RC Aircraft
11-12-2007, 09:47 PM
Replies: 21
Views: 3,627
Posted By TRoc

RE: Treehopper Twin

Hi Ben,

This is just a guess, but I'm thinking the wing loading with two FX 91's will be about the same as the wing loading with one Zenoah G26; Two FX91's weigh about 25 oz each with muffler =...
Forum: Twin & Multi Engine RC Aircraft
11-12-2007, 02:30 PM
Replies: 21
Views: 3,627
Posted By TRoc

RE: Treehopper Twin

I like the mods to your Treehopper, Ben! Looks good, especially the twin rudders (besides the twin engines). Were it me (and this may not be wise) I'd see how it flys with the current wing; if it...
Forum: Giant Scale Aircraft - General
11-12-2007, 01:36 PM
Replies: 71
Views: 15,048
Posted By TRoc

RE: Tree Hopper

Hi Craig and Ben,

Craig, looking good! Looks like a maiden flight is only a week or two away. Landing gear looks good. Like Ben, I'd be interested in seeing more pictures if you get around to...
Forum: Giant Scale Aircraft - 3D & Aerobatic
10-04-2007, 02:16 PM
Replies: 272
Views: 45,794
Posted By TRoc

RE: Composite-arf NEW 2.1 Extra !!

Mighty fine video, Matts! Thanks for the effort! I'm inspired!

Tom
Forum: Futaba Radios Direct support forum
09-05-2007, 05:48 PM
Replies: 4
Views: 3,929
Posted By TRoc

RE: R168DP compared to the R138DP and R148DP

Thank you for the link. I had found it before but it didn't seem to tell me much except the differences that I perceived and relayed in my first post. Regarding the R168DF replacing the R127DF, I was...
Showing results 1 to 25 of 77
 
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