Search: Posts Made By: MTK
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Forum: Electric Pattern Aircraft 08-02-2016, 03:19 PM
Replies: 30
Views: 4,961
Posted By MTK
Looks like glow powered. Terrific....Also...

Looks like glow powered. Terrific....Also interesting are the flaps. Love that.

Stab design is rather strange. The chord increase towards the tip adds nothing aerodynamically. Just looks...
Forum: RC Pattern Flying 08-01-2016, 06:25 PM
Replies: 18
Views: 1,372
Posted By MTK
Attaboy!!

Attaboy!!
Forum: RC Pattern Flying 08-01-2016, 09:40 AM
Replies: 18
Views: 1,372
Posted By MTK
G, I think you meant pitch. Roll couple is a...

G, I think you meant pitch. Roll couple is a function of wing dihedral versus wing CL location vertically on the fuse, relative to the thrust line. These are primary. There are some subtle secondary...
Forum: Electric Pattern Aircraft 07-29-2016, 11:20 AM
Replies: 190
Views: 23,254
Posted By MTK
I'm having a heck of time posting from the...

I'm having a heck of time posting from the phone....one more time
http://www.rcuniverse.com/forum/attachment.php?attachmentid=2174898
Well used spat mold....I need to build another. Shows the axle...
Forum: Electric Pattern Aircraft 07-28-2016, 04:42 PM
Replies: 203
Views: 23,178
Posted By MTK
Scott, yes true that. Folks have moved the wing...

Scott, yes true that. Folks have moved the wing back because the composite stabs and rudder are so heavy. Add the extra weight of all those servos back there and you've got a pound in the tail. Then...
Forum: Electric Pattern Aircraft 07-28-2016, 02:40 PM
Replies: 190
Views: 23,254
Posted By MTK
I see no reason why not. I usually use two...

I see no reason why not.

I usually use two layers of 2 ounce cloth for the smaller. Then add carbon cloth to both sides of the spat in the axle area. Then I add the steel nuts to both sides that...
Forum: Electric Pattern Aircraft 07-28-2016, 12:02 PM
Replies: 190
Views: 23,254
Posted By MTK
Thats it....thanks Brian. Rodney, the gear...

Thats it....thanks Brian.

Rodney, the gear struts are rather slender and thin by most standards. They are shock absorbing to reduce load transfer to the fuse. These are designed such that they...
Forum: Electric Pattern Aircraft 07-28-2016, 09:07 AM
Replies: 190
Views: 23,254
Posted By MTK
I modified the original Wist Model innovation...

I modified the original Wist Model innovation quite a bit to simplify alignment and improve the installation to the fuse. The struts simply plug in....very tidy inside the fuse

The total weight of...
Forum: Electric Pattern Aircraft 07-28-2016, 09:00 AM
Replies: 203
Views: 23,178
Posted By MTK
Actually with three servos in the tail, it is...

Actually with three servos in the tail, it is closer to 160-170 grams. Don't forget servo mounts, pushrods and the servo cables. They all add....

pull- pull all around adds about 70 grams for all...
Forum: Electric Pattern Aircraft 07-28-2016, 08:25 AM
Replies: 203
Views: 23,178
Posted By MTK
Nothing wrong with brown paper to cover wings....

Nothing wrong with brown paper to cover wings. Paper grocery bags are made from the right weight paper. The finish can be Esaki and dope and paint, and can be made to look the same as Oxias.

if we...
Forum: Electric Pattern Aircraft 07-28-2016, 08:06 AM
Replies: 190
Views: 23,254
Posted By MTK
Brian, I'm not sure what happened. It was a windy...

Brian, I'm not sure what happened. It was a windy day with around 20+ mph crosswind, with gusts to around 30. The model was the Griffin by Xtreme Composites that I converted from electric to...
Forum: Electric Pattern Aircraft 07-27-2016, 08:20 PM
Replies: 190
Views: 23,254
Posted By MTK
You may want to add some more glass around the...

You may want to add some more glass around the wing TE and 6" aft. Also, a bit more around the stab LE.

I had one buckle just aft of the wing TE. Just not enough reinforcement.

Weight wise...
Forum: Electric Pattern Aircraft 07-27-2016, 06:20 PM
Replies: 190
Views: 23,254
Posted By MTK
Rodney, I have been posting in only one...

Rodney,

I have been posting in only one thread in the electric column and have not paid a lot of attention elsewhere. Glad I stopped here to read a little of your thread. Nice work and good luck...
Forum: Electric Pattern Aircraft 07-27-2016, 10:18 AM
Replies: 203
Views: 23,178
Posted By MTK
Dag, MY preference and most of the folks I...

Dag,

MY preference and most of the folks I fly with, the lighter the better. IF a plane can be made to 4750 grams it will fly easier, better and consume less battery than one at 5000.

If it...
Forum: Electric Pattern Aircraft 07-27-2016, 07:00 AM
Replies: 203
Views: 23,178
Posted By MTK
Brian, Henry Piorun from Canada,...

Brian,

Henry Piorun from Canada, manufactured models of his design back in the late 80's, early 90's. Typical glass fuses with balsa skinned plug in foam wings and stabs. For the schedules we flew...
Forum: Electric Pattern Aircraft 07-26-2016, 11:37 AM
Replies: 203
Views: 23,178
Posted By MTK
Brian, That's my exact point.... "Best...

Brian,

That's my exact point.... "Best materials" will be an improvement but not without better technique. The one thing that you can't expect is innovation. Not every one can invent. Landing gear...
Forum: Electric Pattern Aircraft 07-25-2016, 07:45 PM
Replies: 203
Views: 23,178
Posted By MTK
Hmmm!! ... Lighter parts (plenty strong and stiff...

Hmmm!! ... Lighter parts (plenty strong and stiff for the job) generally have less material in them. Less material actually cost less, except The builder may or may not have more time in the parts. ...
Forum: Electric Pattern Aircraft 07-25-2016, 06:13 AM
Replies: 203
Views: 23,178
Posted By MTK
The Rolls of pattern planes?? I don't think so....

The Rolls of pattern planes?? I don't think so. Just pigs with very nice lip stick?, yes, I'd agree.

for them to be the Rolls of pattern, they need to come out of the box in pristine condition, be...
Forum: Electric Pattern Aircraft 07-24-2016, 07:14 AM
Replies: 203
Views: 23,178
Posted By MTK
Seriously funny. I chuckle every time I re- read...

Seriously funny. I chuckle every time I re- read it.

As far as suppliers making a buck, I have no problem with that. What I have a problem with is a supplier fleecing the modelers, as noted in...
Forum: Electric Pattern Aircraft 07-22-2016, 04:24 PM
Replies: 203
Views: 23,178
Posted By MTK
I love great wine. Even with my semi-annual...

I love great wine. Even with my semi-annual travel to the Russian River Valley vineyards to get the best cases available I dont believe I have more than ten grand tied up in the last ten years. Hell,...
Forum: Questions and Answers 07-21-2016, 10:44 AM
Replies: 10
Views: 1,223
Posted By MTK
Funny you should bring up Guillows. Their current...

Funny you should bring up Guillows. Their current kits are laser cut. The designs are well done, the laser cutting is very clean and the part fit is outstanding. They still machine cut their...
Forum: Electric Pattern Aircraft 07-20-2016, 08:38 AM
Replies: 203
Views: 23,178
Posted By MTK
Pat, certainly........ I remember the first prop...

Pat, certainly........ I remember the first prop I ever molded back in the early 80's. Between the mold build and the prop casting I probably had 30 hours at least in the project excluding all of the...
Forum: Electric Pattern Aircraft 07-20-2016, 07:33 AM
Replies: 203
Views: 23,178
Posted By MTK
the amount of time it takes to build a composite...

the amount of time it takes to build a composite fuse is a fraction of the time it takes to frame one up in wood, sand it and complete the base surface, making it ready for paint.
I doubt they have...
Forum: Beginners 07-19-2016, 04:58 PM
Replies: 50
Views: 3,341
Posted By MTK
Easily, especially if built at around five...

Easily, especially if built at around five pounds. But why hand launch the crate? It's simple plane to t-o.
Forum: Electric Pattern Aircraft 07-19-2016, 03:23 PM
Replies: 203
Views: 23,178
Posted By MTK
Pat, didn't realize that they use a laminated...

Pat, didn't realize that they use a laminated fuse. The couple I saw 8 or 9 years ago were all wood.
A composite fuse once the mold is ready, takes around 10 hours of hands on time give or take to...
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