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Search: Posts Made By: Brenner
Showing results 1 to 25 of 500
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Forum: Electric Pattern Aircraft
02-07-2023, 08:27 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

You're not wasting your time. I think you would...

You're not wasting your time. I think you would like the performance that a modern f3a Contra Drive gives your plane.

With a Contra Drive you are going to want a much higher pitch than you would...
Forum: Electric Pattern Aircraft
06-15-2022, 10:39 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Hey Daniel, You will need to press it back...

Hey Daniel,

You will need to press it back on using a small press. When you do this the bottom of the motor must be supported by the press. When you press it back on make sure that you press it...
Forum: Electric Pattern Aircraft
06-09-2022, 12:14 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

There is no need to heat the collapsible collet....

There is no need to heat the collapsible collet. Just get a longer bolt. I actually use a 25mm set screw. It works great.

Brenner…
Forum: Electric Pattern Aircraft
02-20-2022, 09:43 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

it’s a “bolt-in” upgrade…

it’s a “bolt-in” upgrade…
Forum: Electric Pattern Aircraft
01-20-2022, 05:18 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

With the 23" props I am using maybe 3700mah for...

With the 23" props I am using maybe 3700mah for P23 and about 4000mah for F23. However, the numbers you get will depend a lot on your flying style and your plane setup. The 22" props might be 200mah...
Forum: Electric Pattern Aircraft
01-20-2022, 03:34 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

Hey Daniel, Both setups are good. The 23"...

Hey Daniel,

Both setups are good. The 23" setup will give you more speed range and better vertical performance, and the 22" setup will pull less from your packs.

Brenner ...
Forum: Electric Pattern Aircraft
12-06-2021, 03:07 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

The primary benefit is that the system runs...

The primary benefit is that the system runs cooler. This is a benefit here in the United States because ambient temperatures regularly exceed 40C.

Brenner ...
Forum: Electric Pattern Aircraft
12-05-2021, 12:18 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

In the United States the AMA is going to allow...

In the United States the AMA is going to allow 12s packs in pattern competition starting in 2022...

Brenner ...
Forum: Electric Pattern Aircraft
12-04-2021, 11:12 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Unfortunately, I don’t fly Masters so I can’t...

Unfortunately, I don’t fly Masters so I can’t speak from personal experience. However, Tony Frackowiak has been having success with 4400 6s packs.

Brenner…
Forum: Electric Pattern Aircraft
12-04-2021, 09:24 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

The 812 motor that's being tested right now...

The 812 motor that's being tested right now really has way too much power to be used without some sort of rpm limiter. My concern is that there's no practical way to guarantee that it wouldn't drive...
Forum: Electric Pattern Aircraft
12-04-2021, 08:14 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Yes, there are two motors that are being...

Yes, there are two motors that are being considered. One is being offered for sale right now.

They are both Pyro 600 size motors, but they have been redesigned. The rear bearing has been upsized...
Forum: Electric Pattern Aircraft
11-28-2021, 06:46 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

When a Contra Drive is operating air is...

When a Contra Drive is operating air is accelerated as it passes through the disk of the front prop so when this passes through the disk of the rear prop it is moving faster than it was when it was...
Forum: Electric Pattern Aircraft
11-26-2021, 02:39 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

Hey John, Try putting the pinion gear bolt...

Hey John,

Try putting the pinion gear bolt back in and then loosen it up a few turns. Then tap on the head of the bolt with any handy tool. You should be able to knock the bronze insert free.
...
Forum: Electric Pattern Aircraft
11-26-2021, 09:31 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Scratches on the bottom of the housing are fine....

Scratches on the bottom of the housing are fine. As long as the bottom of the gearcase is flat, you’re good to go. The bronze insert has a hex shape on it that you can fit a wrench to. The pinion...
Forum: Electric Pattern Aircraft
11-22-2021, 04:23 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

If you need longer gear to be able to use the 23"...

If you need longer gear to be able to use the 23" props, the 22" props are still excellent props. Many pilots still use them and like them.

Brenner ...
Forum: Electric Pattern Aircraft
11-22-2021, 01:50 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

The 20" props are copies of 20" APC props that...

The 20" props are copies of 20" APC props that APC made for Chip Hyde. Chip convinced APC to make him a set of 20" props because he thought that this would be an optimum size for pattern.

It turns...
Forum: Electric Pattern Aircraft
11-22-2021, 06:33 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Hey John, The pinion and planetary gears and...

Hey John,

The pinion and planetary gears and the clutch plates shouldn't really need replacing after only 500 flights. The part should consider replacing is the bronze insert in the pinion gear...
Forum: Electric Pattern Aircraft
09-05-2021, 07:48 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

The best thing to do is purchase from Mike from...

The best thing to do is purchase from Mike from f3aunlimited. Mike can handle all of the details associated with shipping to the UK. Mike can also get you 23"props as well.

Brenner...
Forum: Electric Pattern Aircraft
01-25-2021, 11:23 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Hey Paul, No I don't. The D3 is programmed...

Hey Paul,

No I don't. The D3 is programmed with a maximum allowable rpm, which it uses to govern the rpm at max throttle so the Throttle Tech device isn't needed. It saves me 25g or so, which is...
Forum: Electric Pattern Aircraft
01-22-2021, 10:27 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Based on my experience last year I can recommend...

Based on my experience last year I can recommend the Kontronik Jive 80 ESC, and the D3 ESC from Adam Debowski. You have to purchase a D3 ESC that has specifically been programmed for a V4 Contra...
Forum: Electric Pattern Aircraft
01-22-2021, 10:16 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Yes, Contra Drives have definitely caught on for...

Yes, Contra Drives have definitely caught on for pattern. You can purchase a V4 Contra Drive from www.f3aunlimited.com

Brenner ...
Forum: Electric Pattern Aircraft
07-12-2020, 04:52 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

Why is shipping so expensive? Brenner ...

Why is shipping so expensive?

Brenner ...
Forum: Electric Pattern Aircraft
06-19-2020, 04:11 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

I'm using the 23" props that Mike Gaishin makes...

I'm using the 23" props that Mike Gaishin makes as well. I don't know of any better setup.

Brenner ...
Forum: Electric Pattern Aircraft
04-10-2020, 09:45 AM
Replies: 2,031
Views: 683,952
Posted By Brenner

The Drive is available from f3aunlimited. The...

The Drive is available from f3aunlimited. The Drive mount is the work of Henning and Peter, not currently available unless these guys want to make them and offer them for sale.

Brenner ...
Forum: Electric Pattern Aircraft
04-09-2020, 05:55 PM
Replies: 2,031
Views: 683,952
Posted By Brenner

Beautiful job Peter... Your Drive is a work of...

Beautiful job Peter... Your Drive is a work of art.

Brenner...
Showing results 1 to 25 of 500
 
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