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Search: Posts Made By: JSF-TC
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Forum: RC Jets
10-14-2020, 05:40 AM
Replies: 231
Views: 23,178
Posted By JSF-TC

Thanks Gary, And this doesn't have to be at...

Thanks Gary,

And this doesn't have to be at high speed or high G either. The vortices have a clear rotational frequency, and if this happens to coincide with one of the structural frequencies of...
Forum: RC Jets
10-13-2020, 11:29 AM
Replies: 2
Views: 162
Posted By JSF-TC

Woody, Attached is my original baseline Wren...

Woody,

Attached is my original baseline Wren 54SS config files. This is from the original propane start version. I have since upgraded to kero start and I have not saved of the new config files.
...
Forum: RC Jets
10-13-2020, 04:59 AM
Replies: 231
Views: 23,178
Posted By JSF-TC

What is not mentioned is that all of these...

What is not mentioned is that all of these 'twin-tailed' fighters rely heavily on vortex lift to attain medium and high angles of attack. By design they generate and shed 2 very powerful vortices...
Forum: RC Jets
10-11-2020, 03:50 PM
Replies: 792
Views: 77,203
Posted By JSF-TC

Gary, Looks good with it all in one piece. I...

Gary,

Looks good with it all in one piece. I bet it helps the motivation for that last push to the finish line.

You will get there, just like eating an elephant - one bite at a time!


Paul
Forum: RC Jets
10-10-2020, 09:21 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

To finish the hatches, I laser cut the end plates...

To finish the hatches, I laser cut the end plates and bottom plates out of 0.8mm (1/32") G-10. It doesn't cut well, but with 5 passes the parts can be removed and cleaned up.

I then used...
Forum: RC Jets
10-10-2020, 09:15 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

The last parts to be molded were the fuselage...

The last parts to be molded were the fuselage access hatches. The plugs were completed a long time ago, and just needed a final finish sanding and detailing before making the molds. I used the same...
Forum: RC Jets
10-10-2020, 09:08 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

Next up was the canopy. For the initial flight, I...

Next up was the canopy. For the initial flight, I decided to just 3D print a canopy, and work on the clear vacuum formed one later when I detail and paint the model.

I decided to attach the canopy...
Forum: RC Jets
10-06-2020, 03:44 PM
Replies: 6
Views: 594
Posted By JSF-TC

Frank, Don't get me started on SIerra. Great...

Frank,

Don't get me started on SIerra. Great products but lousy customer support.

About 4 years ago I had them modify a set of main gear retracts for my DerJet Hunter to put in bigger air...
Forum: RC Jets
09-27-2020, 11:06 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

Dave, Thanks:confused: Apart from...

Dave,

Thanks:confused:

Apart from replacing the Intairco Air Trap and filters by a MAP Air Trap:o, I'm not sure what you would remove/ simplify from the fuel system.........???

Sometimes...
Forum: RC Jets
09-26-2020, 03:38 PM
Replies: 486
Views: 64,023
Posted By JSF-TC

Last up so far for the fuel system is the main...

Last up so far for the fuel system is the main fuel panel holding the 2 fuel shut-off valves and the fueling connection.

This is mounted under the main fuselage access hatch, and they are mounted...
Forum: RC Jets
09-26-2020, 03:33 PM
Replies: 486
Views: 64,023
Posted By JSF-TC

The fuel tank internals were then completed,...

The fuel tank internals were then completed, using Viton fuel tube and a stainless steel 6mm tube to bridge the baffle in the main tank.

Space is left on the main fuel tray to mount the fuel pumps...
Forum: RC Jets
09-26-2020, 03:22 PM
Replies: 486
Views: 64,023
Posted By JSF-TC

Over the last few weeks, I've been picking away...

Over the last few weeks, I've been picking away at the countless small tasks that are required to bring the build to completion.

Ever since I completed the wiring and the fuselage disconnect...
Forum: RC Jets
09-22-2020, 07:29 AM
Replies: 792
Views: 77,203
Posted By JSF-TC

Gary, Rather than plywood for the vent...

Gary,

Rather than plywood for the vent support, I would recommend using thick G-10. I used plywood on my Hunter, but overtime there is a slow seepage of fuel from the vent and it soaks into the...
Forum: RC Jets
09-18-2020, 05:31 AM
Replies: 397
Views: 16,519
Posted By JSF-TC

I make a mounting plate for my gyro or Assist Rx...

I make a mounting plate for my gyro or Assist Rx from 1/8" ply to which I CA a thin layer of G10 or Fliteskin, to act as the smooth surface for the double sided tape. I then screw this mounting plate...
Forum: RC Jets
09-10-2020, 12:27 PM
Replies: 792
Views: 77,203
Posted By JSF-TC

I do the above with both Hysol and thickened...

I do the above with both Hysol and thickened epoxy, using 3mL syringes for small to medium tasks. I cut off the luer lock outer thread of the syringe to expose the inner nozzle. You can also use some...
Forum: RC Jets
09-09-2020, 07:19 PM
Replies: 486
Views: 64,023
Posted By JSF-TC

After the show and tell at the model club and...

After the show and tell at the model club and being able to stand back and look at the model, it was obvious that it had too much of a tail-down sit, and that the main gear were compressing about 1/3...
Forum: RC Jets
09-03-2020, 10:34 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

David, I think at our scales, Reynolds...

David,

I think at our scales, Reynolds Number and speeds, the fences are doing the majority of the work to stabilize the flow and keep it attached. My understanding is that the VG's only really...
Forum: RC Jets
09-03-2020, 08:42 AM
Replies: 397
Views: 16,519
Posted By JSF-TC

No need for a mix, just map the steering servo to...

No need for a mix, just map the steering servo to the rudder stick, and then use dual rates. 0% for gear up.


Paul
Forum: RC Jets
08-26-2020, 01:19 PM
Replies: 486
Views: 64,023
Posted By JSF-TC

We had our monthly club meeting at the field...

We had our monthly club meeting at the field earlier this week, so it was an opportunity to take the Buccaneer for a show-and-tell. It was also a good test for loading up the car.

Well, it...
Forum: RC Jets
08-24-2020, 02:21 PM
Replies: 19
Views: 613
Posted By JSF-TC

In Dual Path, each RX is paired with one of the...

In Dual Path, each RX is paired with one of the transmitters in the TX and its 2 antennas. In Clone mode, I assume that each RX sees all 4 TX antennas from both transmitters, so increases its chances...
Forum: RC Jets
08-24-2020, 12:30 PM
Replies: 19
Views: 613
Posted By JSF-TC

Jeti Multiple Receivers - Dual Path or Clone

When I started with Jeti about 5 years ago, the favored approach for multiple receivers was to set them up in Dual Path mode. Since then I've seen multiple threads where Dual Path is compared to...
Forum: RC Jets
08-24-2020, 09:26 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

That's the one. I use 3/8" heat shrink, but you...

That's the one. I use 3/8" heat shrink, but you have to remove the connector housing to slide the tube onto the wire.

I wasn't sure if the 1/2" would shrink down enough.

Paul
Forum: RC Jets
08-23-2020, 07:35 AM
Replies: 486
Views: 64,023
Posted By JSF-TC

David/ Thomas, Thanks for the servo...

David/ Thomas,

Thanks for the servo recommendations, although I'm going to stay with MKS for this build. Promodeler servo look great, but I've not heard much about them.

Continuing the build,...
Forum: RC Jets
08-21-2020, 04:52 PM
Replies: 8
Views: 436
Posted By JSF-TC

Marty, Thanks for the Hansen link. Just what...

Marty,

Thanks for the Hansen link. Just what I was looking for.

600 loose sockets ordered.:)


Paul
Forum: RC Jets
08-21-2020, 02:52 PM
Replies: 8
Views: 436
Posted By JSF-TC

Servo Connector Pins/ Sockets

Does anyone have a spec or part number for the crimpable pins and sockets used for our standard servo connectors in order to make servo cables?

I've bough sets of pins/ sockets and housings from...
Showing results 1 to 25 of 500
 


 
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