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Search: Posts Made By: JackM
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Forum: Aerodynamics
11-01-2011, 01:35 AM
Replies: 63
Views: 13,464
Posted By JackM

These guys just don't understand the difference...

These guys just don't understand the difference betweeen airspeed and ground speed and are in love with hearing themselves talk. And yes, it was boring.
10-22-2011, 02:22 AM
Replies: 24
Views: 6,214
Posted By JackM

Hi Tom, I'm one city to the west of you! ...

Hi Tom,

I'm one city to the west of you!

I bought all the used linear componants on eBay and while they weren't cheap they weren't all that bad. Not like new stuff from the usual sources....
10-21-2011, 11:25 PM
Replies: 24
Views: 6,214
Posted By JackM

Here's the router I built. It's a bit of over...

Here's the router I built. It's a bit of over kill for model airplanes because it has a 6" Z axis. Work envelope is about 42"X16"X6". For model airplanes I would build from the same bearings...
Forum: ParkFlyers
10-07-2011, 05:12 PM
Replies: 10
Views: 2,680
Posted By JackM

Vat u meen dis copywite ting, mak vat ve vant, u...

Vat u meen dis copywite ting, mak vat ve vant, u buy. USD oinly pleese.

To think of the model kits I have not offered due to copyright and TM issues.
Forum: Beginners
09-28-2011, 05:34 PM
Replies: 17
Views: 4,677
Posted By JackM

This stuff sets up in about an hour and It isn't...

This stuff sets up in about an hour and It isn't in contact with the circuit, just the little tabs. I'm not worried about it at all. I'll probably crash it again before anything bad happens!
...
Forum: Beginners
09-28-2011, 12:00 AM
Replies: 17
Views: 4,677
Posted By JackM

Yah, I only flew the T28 for about 10 minutes but...

Yah, I only flew the T28 for about 10 minutes but came to the conclusion that I needed a larger area. It sure flys easier than my mini-telemaster but is faster and takes more room. I think I...
Forum: Beginners
09-27-2011, 11:47 PM
Replies: 17
Views: 4,677
Posted By JackM

Dave, Thanks! I got interested in R/C...

Dave,

Thanks! I got interested in R/C flying about a year ago. Problem is that there is usually too much wind come november. Seemed like calm weather didn't arrive till about June! I'll...
Forum: Beginners
09-27-2011, 11:19 PM
Replies: 17
Views: 4,677
Posted By JackM

Dave, Thanks for the heads up! The...

Dave,

Thanks for the heads up! The original adhesive looked like calk! I do a bit with silicones (mold making) in my work and generally don't find them corrosive but I know some catalysts...
Forum: Beginners
09-27-2011, 07:53 PM
Replies: 17
Views: 4,677
Posted By JackM

Summary - Freezing the plane was definitely...

Summary -

Freezing the plane was definitely the way to go when removing the wing.

With the wing removed I cleaned the goop off the aileron servo and mounted it on the new wing using bath tub...
Forum: Beginners
09-27-2011, 04:25 PM
Replies: 17
Views: 4,677
Posted By JackM

Stevens makes some very nice kits but are a bit...

Stevens makes some very nice kits but are a bit more than my budget will accomodate. I wonder if plans are available? I was looking at Dumas Walnut scale and also just building from plans. I...
Forum: Beginners
09-26-2011, 11:17 PM
Replies: 17
Views: 4,677
Posted By JackM

Balsa planes aren't that tough to fix! I...

Balsa planes aren't that tough to fix!

I have a less than beautiful (lots of covering patches) Mini-Telemaster aileron trainer and it has been crunched many times while learning. Repair has been...
Forum: Beginners
09-26-2011, 10:51 PM
Replies: 17
Views: 4,677
Posted By JackM

Again, thanks for the freezer tip! I left the...

Again, thanks for the freezer tip! I left the plane in the deep freeze for a couple of hours and was able to get the wing off w/o any damage to the fuse. Sure made a tough job simple!

Now I'm...
Forum: Beginners
09-26-2011, 09:24 PM
Replies: 17
Views: 4,677
Posted By JackM

Thanks guys! Into the deep freeze! Last foamy I...

Thanks guys! Into the deep freeze! Last foamy I buy. I really prefer balsa since it is so straight forward to repair.

Jack
Forum: Beginners
09-25-2011, 03:09 PM
Replies: 17
Views: 4,677
Posted By JackM

Question Parkzone micro T28 wing replacement

I got a micro T28 and it flys very nicely but I crashed it behind a pine tree:( It is hard to fly when you can't see the plane:eek: I was surprised that the wing was damaged so badly. I have...
09-24-2011, 02:00 AM
Replies: 24
Views: 6,214
Posted By JackM

I dedsigned man built my router for less than 2K...

I dedsigned man built my router for less than 2K but it was the precision metal that cost the big $.

Steppers can be had for <$50 ea, controller card $100 and up depending on what you get.

I...
09-23-2011, 07:43 PM
Replies: 24
Views: 6,214
Posted By JackM

Dave, Unless you have a reason and a lot of...

Dave,

Unless you have a reason and a lot of $$$$$$$ do not buy a laser. A good one is expensive and the cheapo lasers lack a number of refinements. I have been looking at chinese made lasers...
08-15-2011, 06:26 PM
Replies: 60
Views: 19,616
Posted By JackM

Looks good! When I fly a bit better I may...

Looks good! When I fly a bit better I may tackle this build. I am building a Herr Cloud Ranger trainer and am about the same stage as you are.

Jack
08-13-2011, 02:40 AM
Replies: 7
Views: 4,769
Posted By JackM

Interesting design but looks scary to fly! What...

Interesting design but looks scary to fly! What design/render software do you use?

Jack
08-12-2011, 09:39 PM
Replies: 5
Views: 2,104
Posted By JackM

Anthony, If I were building it I would...

Anthony,

If I were building it I would probably use a motor in the 1100-1200Kv range and a 1100-1300mha lipo battery. Maybe a 30A controller?

That's a nice size cub! I guess I'd also use...
08-09-2011, 12:45 PM
Replies: 6
Views: 4,709
Posted By JackM

Another option is Herr floats from Sig. I just...

Another option is Herr floats from Sig. I just built a pair and they build easy and are light. I think I paid $16
07-26-2011, 10:00 PM
Replies: 37
Views: 9,246
Posted By JackM

Canandaigua Sky Chiefs holds an annual fun float...

Canandaigua Sky Chiefs holds an annual fun float fly at Honeoye Lake in September. If I have my Cloud Ranger flying on floats I plan on attending.

Jack in Rochester
Forum: Aerodynamics
07-25-2011, 04:35 PM
Replies: 22
Views: 4,216
Posted By JackM

Mike, Thanks, I like learning! Jack

Mike,

Thanks, I like learning!

Jack
Forum: Aerodynamics
07-25-2011, 04:25 PM
Replies: 22
Views: 4,216
Posted By JackM

By a flat air foil lifting, is that just or...

By a flat air foil lifting, is that just or mostly due to AOA? When I think lifting or falling H stab I think in terms of semi-symetrical or flat on one side airfoil which some planes appear to have....
Forum: Aerodynamics
07-25-2011, 03:58 PM
Replies: 22
Views: 4,216
Posted By JackM

I built my Cloud Ranger w/o the hatch in the...

I built my Cloud Ranger w/o the hatch in the belly. I have a flat deck inside the fuse that will hold both the ESC-BEC as well as the battery allowing for positioning to CG.

I will try to post...
Forum: Aerodynamics
07-25-2011, 03:34 PM
Replies: 22
Views: 4,216
Posted By JackM

Yes, I built the Herr floats in about 3hrs. Very...

Yes, I built the Herr floats in about 3hrs. Very easy build but could have been made easier/faster/better if the nose block was designed a bit shorter and another station added to the hull. I was...
Forum: Aerodynamics
07-25-2011, 03:03 PM
Replies: 22
Views: 4,216
Posted By JackM

Steve, The instructions you linked are...

Steve,

The instructions you linked are different than what I had previously found. Interesting and very helpful!

Thanks!

Jack
Forum: Aerodynamics
07-25-2011, 03:01 PM
Replies: 22
Views: 4,216
Posted By JackM

Steve, Thanks for the CG location! That is...

Steve,

Thanks for the CG location! That is the location of the wing spar and the current CG.

I think this is a trim issue based on what you say. I now need to fly the plane on a clam day...
Forum: Aerodynamics
07-25-2011, 12:57 PM
Replies: 22
Views: 4,216
Posted By JackM

Since this telemaster was bought 2nd hand, was an...

Since this telemaster was bought 2nd hand, was an arf, there weren't any plans. I looked at the manual on line and there wasn't anything about CG. The H stab is a flat plane so assume it is not...
Forum: Aerodynamics
07-25-2011, 03:25 AM
Replies: 22
Views: 4,216
Posted By JackM

Mike, Thanks for your reply! The decalage...

Mike,

Thanks for your reply! The decalage seems reasonable. I don't have plans and mounted the stab flat on the surface of the fuse. This puts the H stab at 0deg and the wing at about 2deg...
Forum: Aerodynamics
07-25-2011, 02:30 AM
Replies: 22
Views: 4,216
Posted By JackM

Question Mini-Telemaster aerodynamics

I started flying with one of the little micro Champs. No problems:)

Then I bought a 2nd hand 4 CH Mini-Telemaster (45" span) which had problems. I fixed most of the problems and am now flying it...
Showing results 1 to 30 of 102
 


 
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