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Search: Posts Made By: JDjetjock
Showing results 1 to 25 of 86
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Forum: RC Jets
08-28-2022, 07:54 AM
Replies: 577
Views: 121,553
Posted By JDjetjock

Hi Ron, In my F-4, I have a Jetcentral...

Hi Ron,

In my F-4, I have a Jetcentral Mammoth inside a bypass using the stock rail mounting angle and the stock tail pipe. The pipe is not inverted, but the pipe outlet is located at the lower...
Forum: RC Jets
08-13-2019, 06:24 PM
Replies: 61
Views: 28,025
Posted By JDjetjock

https://cimg8.ibsrv.net/gimg/www.rcuniverse.com-vb...

https://cimg8.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/960x720/thunderthrust_over_chathamkent_2019_flyer_1__ab94560455472656c83b44f33e7d8e210b2e3f60.jpg
Don't forget ThunderThrust up in Ontario,...
Forum: RC Jets
06-23-2019, 05:51 PM
Replies: 61
Views: 28,025
Posted By JDjetjock

Hi Guys, For those interested, Wingham Jets...

Hi Guys,

For those interested, Wingham Jets in Ontaro Canada is on for 18-21 July. For more info:
https://www.rccanada.ca/rccforum/showthread.php?t=575975

Hope to see some of you there!...
Forum: Jet Central Turbines - Artes Jet
10-05-2018, 09:52 AM
Replies: 9
Views: 2,388
Posted By JDjetjock

Request to have Jet Central comment....Manny or...

Request to have Jet Central comment....Manny or Juan?

Thank you.
Forum: Jet Central Turbines - Artes Jet
09-30-2018, 09:39 AM
Replies: 9
Views: 2,388
Posted By JDjetjock

Worrysome isn't it. I just did more run-ups today...

Worrysome isn't it. I just did more run-ups today with trying to reproduce the flameout on the ground. I purposely set the low rpm accel very aggressive down to 4 from 17, and still no accel error. I...
Forum: Jet Central Turbines - Artes Jet
09-29-2018, 12:36 PM
Replies: 9
Views: 2,388
Posted By JDjetjock

Jet Central Mammoth SE Flameout Errors

Request assistance at troubleshooting my Mammoth SE. I experienced two consecutive flame outs with the same error codes…I almost lost my F-4.

Here's more details:
Flameouts occurred after 3.5 to...
Forum: RC Jets
09-10-2018, 05:54 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

Congrats Kevin! Looking good! I gotta get some...

Congrats Kevin! Looking good! I gotta get some AIM-7s for my F4 too.

Any Phantom drivers going to Max Smart's jet event at Plattsburgh, NY in a couple weeks?
Forum: RC Jets
08-24-2018, 12:41 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

Hi Kevin, For the centerline tank, I mounted...

Hi Kevin,

For the centerline tank, I mounted the tank lined up with the break point on the fuse with the nose section. It also lines up with a large molded former line at the rear of the tank. See...
Forum: RC Jets
08-02-2018, 04:09 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

I use the JMP high flow valve on the mains, a...

I use the JMP high flow valve on the mains, a robart one on the nose and the stock Skymaster valve on the doors. I have separate air systems for the gear, doors and brakes! Air tanks are light,so...
Forum: RC Jets
10-29-2017, 05:04 PM
Replies: 57
Views: 17,368
Posted By JDjetjock

The jet will pitch up at low speeds at full...

The jet will pitch up at low speeds at full throttle settings with the stock SM tailpipe....not sure if this is what you are describing. I actually hold a little down elevator on take-off roll until...
Forum: RC Jets
09-09-2017, 01:34 PM
Replies: 57
Views: 17,368
Posted By JDjetjock

For a CG of about 320mm, the stock elevator throw...

For a CG of about 320mm, the stock elevator throw is fine. Try to get as much aileron throw as you can...I believe mine is near 40mm each way. Same for rudder...maximize it where possible. Flap...
Forum: RC Jets
07-10-2017, 05:16 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

Hi Don, sent you a PM. Cheers,

Hi Don, sent you a PM.

Cheers,
Forum: RC Jets
07-04-2017, 03:50 PM
Replies: 57
Views: 17,368
Posted By JDjetjock

I would drop the tail pipe more in the rear...

I would drop the tail pipe more in the rear formers...you should be able to gain at least 0.5 inches, which makes a difference. I applied high heat tape to entire bottom of the tail section, tail...
Forum: RC Jets
07-03-2017, 05:34 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

Here's some other pics of the tailpipe, landing...

Here's some other pics of the tailpipe, landing gear reinforcement and h-stab neutral posn. The hstab for trimmed flight at my CG is 46mm below that mold line. Note the small amounts of up-elevator...
Forum: RC Jets
07-03-2017, 04:25 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

Guys, Here's the CG for my F-4 for different...

Guys,

Here's the CG for my F-4 for different fuel states (Jet-A):
- full tanks (take-off): 302 mm (weight 53.3 lbs)
- front tank filled to the seam (approx 50% full), rear tanks empty - typical...
Forum: RC Jets
07-03-2017, 12:15 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

Guys, I'm using the standard feed of the tanks...

Guys,
I'm using the standard feed of the tanks (rear tanks in parallel feeding the front tank). After a 6.5 to 7 minute flight, the front tank is between 50% to 90% full. I find that flaring for...
Forum: RC Jets
07-03-2017, 06:48 AM
Replies: 577
Views: 121,553
Posted By JDjetjock

Hi Chris, The config is ready for flight,...

Hi Chris,

The config is ready for flight, tanks empty except the UAT/CAT tank full, and gear down, and no external stores. At idle it is well behaved, and landing approaches feel good with a...
Forum: RC Jets
07-03-2017, 06:32 AM
Replies: 577
Views: 121,553
Posted By JDjetjock

Yes, I removed material from the lower section of...

Yes, I removed material from the lower section of the tail cones. I can provide a pic if you would like. I recommend to maintain the downthrust angle of the engine mount...I measured it and if I...
Forum: RC Jets
07-02-2017, 06:31 PM
Replies: 577
Views: 121,553
Posted By JDjetjock

For my F-4E, I found the CofG sweet spot to be...

For my F-4E, I found the CofG sweet spot to be 325mm, I have no tail blanking probs with flaps down. Inverted flight at that setting is nice too.

For the tailpipe, I have stuck with the stock...
Forum: RC Jets
10-19-2016, 04:41 PM
Replies: 825
Views: 170,849
Posted By JDjetjock

Hi Don. Sorry I did not get see you this year. ...

Hi Don. Sorry I did not get see you this year. Thanks for the pylon tip. My paint scheme is also from a QF-4 from Tyndall AFB. Yes, you should get the big Skymaster F-4 so I can check it out too!...
Forum: RC Jets
10-19-2016, 03:44 PM
Replies: 825
Views: 170,849
Posted By JDjetjock

I had great success this year with my replacement...

I had great success this year with my replacement Skymaster F-4E. It has its CofG set at 320 and I find that perfect. It has a Jet Central Mammoth and uses the stock Skymaster pipe. After a couple...
Forum: RC Warbirds and Warplanes
04-30-2016, 06:28 AM
Replies: 1,224
Views: 295,420
Posted By JDjetjock

Just to make sure I'm added to the list, I was at...

Just to make sure I'm added to the list, I was at post #625.

Cheers,

Jeff
Forum: RC Jets
01-02-2016, 08:57 AM
Replies: 77
Views: 23,973
Posted By JDjetjock

Hi Rich, Jets over Iroquois will no longer...

Hi Rich,

Jets over Iroquois will no longer be held, but is being replaced by "Ottawa Valley Jets" during 2 July at Ottawa, Ontario, Canada.

More details:...
Forum: RC Jets
01-02-2016, 08:42 AM
Replies: 77
Views: 23,973
Posted By JDjetjock

Wingham Jet Rally 2016 is 22-24 July. As...

Wingham Jet Rally 2016 is 22-24 July.

As usual flying at the field is available all week for anyone who wants to take advantage of this great facility. It will be open to the public only on the...
Forum: RC Warbirds and Warplanes
10-07-2015, 04:59 PM
Replies: 1,224
Views: 295,420
Posted By JDjetjock

Here's mine to add to the list. It started out as...

Here's mine to add to the list. It started out as a 1/5 giant scale Top Flight ARC, but I converted it to a B model using the Leo Spychalla rear deck and his scale cowling. It also has the...
Showing results 1 to 25 of 86
 
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