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Search: Posts Made By: jvaliensi
Showing results 1 to 25 of 47
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Forum: RC Jets
08-07-2023, 10:54 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Dave W has built so many of them w/ the P130 RX....

Dave W has built so many of them w/ the P130 RX. He must know what he's doing. See Post #59; it appears you are on track.
Forum: RC Jets
07-08-2023, 04:12 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

The rubber bung may be the same size that Du-Bro...

The rubber bung may be the same size that Du-Bro or Sullivan sells. Perhaps your local hobby shop can match it.

When I fit rubber parts, or tubing I use a suitable lubricant. It helps the parts to...
Forum: RC Jets
07-04-2023, 12:09 PM
Replies: 790
Views: 166,857
Posted By jvaliensi

How about pressurizing the whole fuel system and...

How about pressurizing the whole fuel system and looking for the leaks? Beats guessing.
I rigged up a bicycle pump to pump air in to the system. I submerge the tank under water and look for the...
Forum: RC Jets
05-08-2023, 02:26 PM
Replies: 790
Views: 166,857
Posted By jvaliensi

I find weighing at each wheel, recording the...

I find weighing at each wheel, recording the measurement and calculating the CG to be consistent and accurate, using digital scales or the Xicoy device.
Forum: RC Jets
04-05-2023, 02:20 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Hi, I saw in a German forum routing of the...

Hi,
I saw in a German forum routing of the elevator servo wires in the lower fin. They put a Multiplex 6-pin connector inside it, so the wires never get near the pipe. It is pretty clever.
See post...
Forum: RC Jets
03-29-2023, 05:44 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Hey Tom - How about sharing a few tips? My 1st...

Hey Tom - How about sharing a few tips?
My 1st canopy went in fine, I trimmed it with Fiskar scissors and polycarbonate scissors. I used the white canopy glue and many magnets to hold it down.
Then...
Forum: RC Jets
01-10-2023, 05:34 PM
Replies: 790
Views: 166,857
Posted By jvaliensi

I see a few guys using a panel stand. With the...

I see a few guys using a panel stand. With the canopy off the flap part keeps it stable while you mount the wing.
Forum: RC Jets
10-18-2022, 04:56 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

essyou35 - did you ask CARF if they would make...

essyou35 - did you ask CARF if they would make you a heavy duty model? I had a similar complaint with another maker and they agreed to make me a stronger and more durable fuselage.

I tend to beat...
Forum: RC Jets
10-17-2022, 02:06 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

What are you talking about? I have the newest UF...

What are you talking about? I have the newest UF Evo and the wing is composite - glass & carbon and there appears a layer of Rohacell foam sandwiched in the wing.

I've seen Evo's go above 200mph...
Forum: RC Jets
10-14-2022, 04:13 PM
Replies: 790
Views: 166,857
Posted By jvaliensi

Eight are used

Eight are used
Forum: RC Jets
10-04-2022, 09:05 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

I sanded the paint off the wing saddle and sanded...

I sanded the paint off the wing saddle and sanded the tops of the carbon wing pins a little.
I also sanded the back of the wing too. I will try the same for the front.
A little goes a long way. If...
Forum: RC Jets
10-04-2022, 07:20 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Did you fix it? Are you happy with it?

Did you fix it?
Are you happy with it?
Forum: RC Jets
10-04-2022, 06:34 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

The interface is smooth and even on both wing and...

The interface is smooth and even on both wing and fuselage.
I think either the top of the wing is too fat or the wing pins are set too low. Or the forward fuselage holes are drilled in the wrong...
Forum: RC Jets
10-04-2022, 04:21 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Wing Fit

Hi,
I noticed my wing doesn't fit to the fuselage as nearly as good as other Ultra Flash models I have seen. There are many of them at the field that I go to.
My wing bolts are very tight and there...
Forum: RC Jets
09-19-2022, 04:38 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

My 2022 Ultra Flash kit didn't contain the ball...

My 2022 Ultra Flash kit didn't contain the ball either. I solder on a ball from a ball link. I added a piece of brass tube to make up the hole size difference.
Forum: RC Jets
09-13-2022, 08:08 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

I use the Kent fittings with a built-in ball...

I use the Kent fittings with a built-in ball valve. Gives me drip-free fueling. But I do plug them (both the model tank and fuel station).
I use Fesco too. But the Kent system is designed to be...
Forum: RC Jets
09-13-2022, 04:58 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

I and others have good success with Kent System...

I and others have good success with Kent System connectors for fuel lines. Post #136 has the part numbers:

https://www.rcuniverse.com/forum/rc-jets-120/11673083-foamie-jet-x45-k45-6.html
Forum: RC Jets
07-31-2022, 12:19 PM
Replies: 790
Views: 166,857
Posted By jvaliensi

Hi, I am looking for a pilot exactly like the...

Hi,
I am looking for a pilot exactly like the one Dave Wilshere used. I cannot find one, most options seem out of stock.
Please let me know if anyone has one or knows of where to get one.

Thank...
Forum: RC Jets
07-28-2022, 11:28 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

I was worried about being tail heavy with my...

I was worried about being tail heavy with my build, and ended up so nose heavy that I moved my batteries back near the turbine.
Forum: RC Jets
07-27-2022, 07:20 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Dave uses JetCat turbines and they have very low...

Dave uses JetCat turbines and they have very low residual thrust, especially the P100-Rx. That helps.
I have a new UF Evo to fly too.
Forum: RC Jets
07-01-2022, 11:28 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Wow. The longest one in my UF was for the rudder...

Wow. The longest one in my UF was for the rudder and they made that size.
You can buy 3mm threaded rod in 12" or longer lengths.
Forum: RC Jets
07-01-2022, 11:20 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Hi, I used these rods: ...

Hi,
I used these rods:

https://www.espritmodel.com/pushrod-turnbuckle-aluminum-secraft-m3-2.aspx

You can see some in the photos I posted recently.
Forum: RC Jets
06-30-2022, 07:49 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

Hullo, It is clear the Ultra Flash needs...

Hullo,
It is clear the Ultra Flash needs significant weight in the nose. I would like to place the batteries in front of the nose gear, but that area is nearly in accessible. It would be a pain to...
Forum: RC Jets
06-24-2022, 08:01 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

There were slight differences between left and...

There were slight differences between left and right sides.
I thought about 3D printing. But the blocks took less time to make than I would spent on measuring and drafting and printing. The whole...
Forum: RC Jets
06-24-2022, 06:52 AM
Replies: 790
Views: 166,857
Posted By jvaliensi

I would prefer to have the gear doors bolt to the...

I would prefer to have the gear doors bolt to the legs. However, when the legs are aligned so that the wheels point the correct direction, the wing surface and face of the legs is not parallel. My...
Showing results 1 to 25 of 47
 
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