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Search: Posts Made By: MTK
Showing results 1 to 25 of 500
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08-02-2016, 03:19 PM
Replies: 30
Views: 7,913
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...
08-01-2016, 06:25 PM
Replies: 18
Views: 1,722
Posted By MTK

Attaboy!!

Attaboy!!
08-01-2016, 09:40 AM
Replies: 18
Views: 1,722
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...
07-29-2016, 11:20 AM
Replies: 231
Views: 37,274
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...
07-28-2016, 04:42 PM
Replies: 205
Views: 28,662
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...
07-28-2016, 02:40 PM
Replies: 231
Views: 37,274
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...
07-28-2016, 12:02 PM
Replies: 231
Views: 37,274
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...
07-28-2016, 09:07 AM
Replies: 231
Views: 37,274
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...
07-28-2016, 09:00 AM
Replies: 205
Views: 28,662
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...
07-28-2016, 08:25 AM
Replies: 205
Views: 28,662
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...
07-28-2016, 08:06 AM
Replies: 231
Views: 37,274
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...
07-27-2016, 08:20 PM
Replies: 231
Views: 37,274
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...
07-27-2016, 06:20 PM
Replies: 231
Views: 37,274
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...
07-27-2016, 10:18 AM
Replies: 205
Views: 28,662
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...
07-27-2016, 07:00 AM
Replies: 205
Views: 28,662
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...
07-26-2016, 11:37 AM
Replies: 205
Views: 28,662
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...
07-25-2016, 07:45 PM
Replies: 205
Views: 28,662
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. ...
07-25-2016, 06:13 AM
Replies: 205
Views: 28,662
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...
07-24-2016, 07:14 AM
Replies: 205
Views: 28,662
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...
07-22-2016, 04:24 PM
Replies: 205
Views: 28,662
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,...
07-21-2016, 10:44 AM
Replies: 10
Views: 1,540
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...
07-20-2016, 08:38 AM
Replies: 205
Views: 28,662
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...
07-20-2016, 07:33 AM
Replies: 205
Views: 28,662
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: 6,765
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.
07-19-2016, 03:23 PM
Replies: 205
Views: 28,662
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...
Showing results 1 to 25 of 500
 


 
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