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Search: Posts Made By: otrcman
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Forum: Aerodynamics
10-07-2022, 09:12 AM
Replies: 8
Views: 3,737
Posted By otrcman

Reading the original poster's question carefully,...

Reading the original poster's question carefully, I believe that he is questioing the accuracy of,

"..... the suggestion of engine power that comes in ALL plans for construction
it is made with...
09-22-2022, 07:11 AM
Replies: 14
Views: 750
Posted By otrcman

Good idea, putting the gyro in your Eagle first. ...

Good idea, putting the gyro in your Eagle first. Gives you some experience with the gyro.

Before moving the gyro over into the Jungmeister, you might want to try one more thing in the Eagle to...
Forum: The Clubhouse
09-09-2022, 01:43 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

You think that's good ? Heck, I can buy almost...

You think that's good ? Heck, I can buy almost two quarts for $2.99 out here on the left coast.

Dick
08-19-2022, 09:00 PM
Replies: 14
Views: 750
Posted By otrcman

I think you're on the right track. Differential...

I think you're on the right track. Differential ailerons help a little, but generally not enough. Keep working on your aileron to rudder mix. Manually coordinating rudder inputs with aileron can...
08-15-2022, 06:05 PM
Replies: 14
Views: 750
Posted By otrcman

Use of gyro

I agree with BarracudaHockey. But I'd like to take the answer a little further. Heading hold is a mode that's particularly useful in helicopters. Or in airplanes that are trying to act like...
Forum: The Clubhouse
02-18-2022, 07:21 AM
Replies: 11,072
Views: 883,446
Posted By otrcman

A GENUINE PIECE OF JEWELRY ! I've not paid...

A GENUINE PIECE OF JEWELRY !

I've not paid much attention to Laser engines before. Does the V-Twin indeed have fully separate intake and exhaust systems ? If so, that would effectively make it...
Forum: The Clubhouse
02-01-2022, 09:41 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

That Hall Bulldog is really something else,...

That Hall Bulldog is really something else, Donny. Has it been flown yet ?

Dick
Forum: The Clubhouse
01-30-2022, 04:43 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

About 20 years ago my area was down to just one...

About 20 years ago my area was down to just one "hobby shop". In reality, it was a toy store with a bit of model airplane stuff in one back corner. I was in the shopping center for some other...
Forum: The Clubhouse
01-06-2022, 11:51 AM
Replies: 11,072
Views: 883,446
Posted By otrcman

I quite agree with acdii's praise of Dr. John...

I quite agree with acdii's praise of Dr. John Campbell. He seems to be very fact-oriented, rather than agenda-driven. Right now he's pretty optimistic about omicron ringing down the curtain to the...
11-11-2021, 10:24 AM
Replies: 1
Views: 614
Posted By otrcman

Hello Pete, I don't know if you have ever...

Hello Pete,

I don't know if you have ever built a P&W Sailplane, or one of the original style fuselages, but I was not entirely happy with my P&W Sailplane.

The crutch style construction of the...
Forum: The Clubhouse
10-08-2021, 04:57 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

Yes, I only discovered this site a couple of...

Yes, I only discovered this site a couple of years ago, but I felt like I was among old friends from the start. As I get older I find myself inclined to write down some of my memories for posterity....
09-30-2021, 06:23 AM
Replies: 3
Views: 1,604
Posted By otrcman

I used to hear that term used quite often, but...

I used to hear that term used quite often, but never knew quite what it meant. Just now looked it up and found the following:

"Also called am·yl ac·e·tate a sweet-smelling liquid ester, C7H14O2,...
08-24-2021, 06:28 PM
Replies: 2
Views: 778
Posted By otrcman

Hi Andrew, Looks like you are the proud...

Hi Andrew,

Looks like you are the proud owner of a fairly early model Ohlsson & Rice 60. The reason I say "fairly early" is due to the small exhaust port and the side port air intake. Possibly...
Forum: The Clubhouse
07-03-2021, 07:28 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

I always thought peroxide was pretty safe stuff !...

I always thought peroxide was pretty safe stuff !

Dick
Forum: The Clubhouse
06-17-2021, 12:27 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

As a retired flight test engineer, I have long...

As a retired flight test engineer, I have long been interested in the history of the P-38. But before diving into specifics, we need to keep in mind the specific stages of the war, the missions that...
Forum: Aerodynamics
05-30-2021, 08:28 PM
Replies: 3
Views: 1,656
Posted By otrcman

"is it unreasonable to design and fly an rc plane...

"is it unreasonable to design and fly an rc plane like the full scale F-16 or su-27 using a gyro?"
Andy[/QUOTE]

In a word, yes. It would be unreasonable. To do what the F-16 and su-27 do goes...
05-23-2021, 07:05 PM
Replies: 7
Views: 1,455
Posted By otrcman

UStik has it right. This may be a little...

UStik has it right. This may be a little confusing, but I'll try to explain it a little more thoroughly.

The 1930's models were flown free-flight. They were designed to be light, and to glide as...
05-08-2021, 07:05 AM
Replies: 2
Views: 1,726
Posted By otrcman

Yes, the CG placement of 50 - 55% is about right...

Yes, the CG placement of 50 - 55% is about right for the Playboy as originally flown. However, if you intend to fly your model more as a sport plane, including elevator control, then you may be a...
Forum: The Clubhouse
03-18-2021, 09:23 AM
Replies: 11,072
Views: 883,446
Posted By otrcman

If I may skip back to the college vs experience...

If I may skip back to the college vs experience discussion for a second. I just remembered a quote that I heard a while back:

"Experience may be the best teacher, but she also exacts the highest...
03-14-2021, 08:17 PM
Replies: 7
Views: 2,993
Posted By otrcman

Make it take off in a straight line ? Well, a...

Make it take off in a straight line ? Well, a gyro will help some, but the DR1 has a lot of strikes against it for the gyro to be a perfect solution. The most you might hope for is that the gyro will...
Forum: The Clubhouse
03-14-2021, 10:22 AM
Replies: 11,072
Views: 883,446
Posted By otrcman

You're right, Donny. I suspect that it's a matter...

You're right, Donny. I suspect that it's a matter of a buyer's market. Being a military pilot has always sounded like a glamorous job and so the armed forces have been able to pick and choose among...
Forum: The Clubhouse
02-20-2021, 04:31 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

I admire the resilience and positive attitudes of...

I admire the resilience and positive attitudes of all you folks who are enduring this weather. You are an inspiration.

Dick
Forum: The Clubhouse
02-18-2021, 04:15 PM
Replies: 11,072
Views: 883,446
Posted By otrcman

Dang, things are getting pretty ugly out there ! ...

Dang, things are getting pretty ugly out there !

Donny, I can finally see why your heart is still in Brooklyn .... you miss the mild climate in New York.

Dick
01-21-2021, 08:52 AM
Replies: 305
Views: 71,304
Posted By otrcman

Tom, I am willing to be proven wrong, but to...

Tom,
I am willing to be proven wrong, but to the best of my knowledge no Ranger engines were installed on any of the factory built Ryan ST series airplanes in the time military trainers were being...
Forum: Aerodynamics
12-16-2020, 05:31 PM
Replies: 45
Views: 8,373
Posted By otrcman

I have been following this thread all along, but...

I have been following this thread all along, but you had enough opinions already that I didn't want to add to the clutter. But now you have a new data point in which you moved the CG forward and the...
Showing results 1 to 25 of 500
 


 
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