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Search: Posts Made By: speedracerntrixie
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Yesterday, 07:00 PM
Replies: 3
Views: 143
Posted By speedracerntrixie

Look for a 63mm outrunner with around 210-220KV,...

Look for a 63mm outrunner with around 210-220KV, an 80 to 100 amp ESC. You will need to run the system on 10S lipo but you will be able to spin up to a 22x8 around 7,000 rpm.
04-18-2021, 06:07 PM
Replies: 3
Views: 110
Posted By speedracerntrixie

Not much sailplane/glider activity on RCU. I'm...

Not much sailplane/glider activity on RCU. I'm glad I stumbled onto your post.
04-18-2021, 05:37 PM
Replies: 3
Views: 110
Posted By speedracerntrixie

That's actually a fairly tough question. I know...

That's actually a fairly tough question. I know with my 3.4 meter Supra a calm morning flight will consume less current then an afternoon flight with more air movement. What I would suggest is on a...
04-18-2021, 07:06 AM
Replies: 1
Views: 607
Posted By speedracerntrixie

Typically a tray and a couple Velcro straps does...

Typically a tray and a couple Velcro straps does the job. Sounds like you have a confined area that may require more. A picture of your nose section would be helpful on suggesting a setup.
...
04-18-2021, 05:45 AM
Replies: 20
Views: 609
Posted By speedracerntrixie

The noise floor at those events is not going to...

The noise floor at those events is not going to be a fixed value, it's all dependent on the equipment used and amount of equipment. Two teams playing that are low in the rankings as opposed to a...
Forum: Kit Building
04-17-2021, 11:15 AM
Replies: 7
Views: 241
Posted By speedracerntrixie

You're on the right track wanting to add a...

You're on the right track wanting to add a regulator. The issue is with the tank being too high, no amount of needle settings is going to fix the issue. Options are to lower the tank, mount the...
04-17-2021, 05:27 AM
Replies: 20
Views: 609
Posted By speedracerntrixie

First off, if I were stalking you I would have...

First off, if I were stalking you I would have said something in that thread. Being a trained composites technician I occasionally do a search for a few key words/phrases to find areas where I may be...
04-16-2021, 01:36 PM
Replies: 20
Views: 609
Posted By speedracerntrixie

How about reality for one. There is just no...

How about reality for one. There is just no comparison to a TX swamping the RX at close range to a weapon that shoots a focused high power wide band signal. You may want to consider sticking with the...
Forum: Gas Engines
04-16-2021, 05:31 AM
Replies: 10
Views: 931
Posted By speedracerntrixie

Sounds like the pump flappers are stuck to the...

Sounds like the pump flappers are stuck to the carb case. Pull the cover with the single screw and take a look at the gasket. It should have two petal looking parts that cover small holes. Those are...
Forum: Gas Engines
04-16-2021, 04:36 AM
Replies: 4
Views: 323
Posted By speedracerntrixie

There are a couple more things that will help...

There are a couple more things that will help along with the posted chart. First, lengthen your throttle arm on the carb and as you already plan use a shorter servo arm. The idea here is to maintain...
04-15-2021, 06:25 PM
Replies: 20
Views: 609
Posted By speedracerntrixie

Not relevant to this conversation.

Not relevant to this conversation.
04-14-2021, 06:32 PM
Replies: 20
Views: 609
Posted By speedracerntrixie

First off Y connectors are just bad news....

First off Y connectors are just bad news. Basically you are hooking up two potentiometers that will never be in sync to a single pulse. That creates a sort of feedback just like a microphone too...
Forum: ARF or RTF
04-13-2021, 04:04 AM
Replies: 4
Views: 273
Posted By speedracerntrixie

My apologies if this comes off a bit short but...

My apologies if this comes off a bit short but people really need to learn to calculate their CG and more importantly how to make CG changes as required. CG affects so many things like landing speed...
Forum: ARF or RTF
04-03-2021, 04:58 AM
Replies: 194
Views: 50,998
Posted By speedracerntrixie

Not knowing what the wings and stáb incidences...

Not knowing what the wings and stáb incidences are makes that a really difficult question. I think I read somehere that the stab is slightly positive on this Pitts, if so then that is most likely the...
04-02-2021, 05:50 AM
Replies: 8
Views: 356
Posted By speedracerntrixie

It would be helpful if you told us what radio...

It would be helpful if you told us what radio brand and model number you currently have. Then we can get fairly specific on setup recommendations. Knowing what you will be powering the airplane with...
03-27-2021, 04:42 AM
Replies: 34
Views: 10,113
Posted By speedracerntrixie

I run my stab and top wing at zero and bottom...

I run my stab and top wing at zero and bottom wing at +1 to start. I then adjust the incidence on the bottom wing until I get straight uplines.
Forum: ARF or RTF
03-26-2021, 07:48 PM
Replies: 2
Views: 414
Posted By speedracerntrixie

I'm certain that it was designed to have positive...

I'm certain that it was designed to have positive incidence in the stab. It's done to supposedly counteract the drag of the upper wing being above the center of thrust. Not exactly the way I would...
Forum: Aerodynamics
03-21-2021, 08:04 AM
Replies: 10
Views: 751
Posted By speedracerntrixie

Not to sound too self serving, I question even...

Not to sound too self serving, I question even what kit designers do especially if it is an older kit. They did what was known at the time. It leads to the occasional online disagreement as I...
Forum: Aerodynamics
03-20-2021, 06:15 PM
Replies: 10
Views: 751
Posted By speedracerntrixie

As you can see from the lack of interest in this...

As you can see from the lack of interest in this thread that trimming is somewhat a lost art. Those of us who still go through a thorough sequence step by step until an airplane is performing as well...
Forum: Aerodynamics
03-19-2021, 04:20 AM
Replies: 10
Views: 751
Posted By speedracerntrixie

Just one word of caution, once you dive into the...

Just one word of caution, once you dive into the " complete trimming " and fly your first airplane that is 97% dialed in you will never be happy flying anything that has not been through the process....
Forum: Aerodynamics
03-18-2021, 07:12 PM
Replies: 10
Views: 751
Posted By speedracerntrixie

You have just taken your first step down the...

You have just taken your first step down the yellow brick road. For more trimming " secrets " take a look at the CK Aero website. A few tidbits to be found.
03-14-2021, 06:36 AM
Replies: 6
Views: 747
Posted By speedracerntrixie

One thing that will help in this situation is...

One thing that will help in this situation is getting the thrust line situated ( correct amount of right thrust ) and getting a throttle curve that will have the power coming on gradually. If your TX...
Forum: Beginners
03-14-2021, 06:30 AM
Replies: 25
Views: 1,189
Posted By speedracerntrixie

Agreed, when looking for help is is always better...

Agreed, when looking for help is is always better to provide as much accurate information as possible.
Forum: Beginners
03-10-2021, 07:58 PM
Replies: 25
Views: 1,189
Posted By speedracerntrixie

That CG would be fine if the wing cord is between...

That CG would be fine if the wing cord is between 3"-3.25". Any larger and you could be nose heavy, any smaller and you could be tail heavy.
03-09-2021, 05:13 AM
Replies: 5
Views: 862
Posted By speedracerntrixie

Bruce, keep in mind that I had stated " the...

Bruce, keep in mind that I had stated " the smallest battery that gets the correct CG " I did use the 850mah as an example of what I personally use in my 3.4 meter Supra. I can get 3 climbouts with...
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