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Search: Posts Made By: slowrotor
Showing results 1 to 35 of 440
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Forum: Rotorheads
22nd Jun 2012, 16:54
Replies: 56
Views: 12,953
Posted By slowrotor

"If you want to go 'green' and not wait for...

"If you want to go 'green' and not wait for batteries to improve, then what about considering a very lightweight Genset?"
Dave


No such thing as "Green". (in my opinion)

Even solar cells are...
Forum: Rotorheads
21st Jun 2012, 14:46
Replies: 56
Views: 12,953
Posted By slowrotor

So the whole thing is just "Green" marketing? ...

So the whole thing is just "Green" marketing?

At least they gave me a free T-Shirt last year at the Airventure tent.
Forum: Rotorheads
31st Oct 2011, 18:32
Replies: 201
Views: 61,161
Posted By slowrotor

It's getting close Dave. I would attach these...

It's getting close Dave.
I would attach these motors to my ultralight airplane. So it would only need the electric lift for less than a minute , to make it VTOL.

The cost of batteries keeps...
Forum: Rotorheads
31st Oct 2011, 00:08
Replies: 201
Views: 61,161
Posted By slowrotor

Worlds first manned electric multi-copter: ...

Worlds first manned electric multi-copter:

e-volo - Home (http://www.e-volo.com/Home.html)

L75ESD9PBOw
Forum: Rotorheads
14th Apr 2011, 21:18
Replies: 56
Views: 12,953
Posted By slowrotor

Hi Dave, I am working on a one seat trailerable...

Hi Dave,
I am working on a one seat trailerable floatplane now.
I might get back to VTOL designs when the battery technology allows for a high discharge rate with about one or two minutes of...
Forum: Rotorheads
13th Apr 2011, 00:36
Replies: 56
Views: 12,953
Posted By slowrotor

Interesting study Dave. So what has happened...

Interesting study Dave.
So what has happened with lithium hydroxide in the last 30 years?
I think maybe the recycling of the waste is the problem.
Forum: Rotorheads
13th Sep 2010, 23:43
Replies: 12
Views: 1,872
Posted By slowrotor

The simulator can help in learning to hover. But...

The simulator can help in learning to hover. But hovering is not that difficult to learn by practicing within a few inches above the ground.

The real problem is learning the transition from high...
Forum: Rotorheads
24th Aug 2010, 15:04
Replies: 925
Views: 348,671
Posted By slowrotor

The surfaces at the tail are for stability or...

The surfaces at the tail are for stability or trim.
A lifting wing must be attached at or near the aircrafts center of gravity.
slowrotor
Forum: Rotorheads
24th Aug 2010, 02:41
Replies: 925
Views: 348,671
Posted By slowrotor

Heli1 has almost got it right... the X2 is almost...

Heli1 has almost got it right... the X2 is almost a compound helicopter because the X2 lacks a wing surface.

"COMPOUND HELICOPTER- rotorcraft with driven rotors, additional means of propulsion,...
Forum: Rotorheads
9th Aug 2010, 23:09
Replies: 17
Views: 3,293
Posted By slowrotor

A single seat aircraft can't be used for training...

A single seat aircraft can't be used for training or much else that would require certification. For personal use, why not sell an uncertificated kit?
Forum: Rotorheads
21st Jul 2010, 20:03
Replies: 56
Views: 12,953
Posted By slowrotor

200hp Electric Sikorsky

Aero-news.net reported today that Sikorsky will show a 200hp electric S-300 at EAA Airventure next week.
I will be looking for this.

Aero-News Network...
Forum: Rotorheads
19th May 2010, 20:43
Replies: 11
Views: 3,789
Posted By slowrotor

Must be the latest thing in tourism: helicopter...

Must be the latest thing in tourism: helicopter sled dog rides.
Dog Sledding Tour (http://www.juneaubesttours.com/dogsledingtour.php?gclid=CN6v4JyH36ECFQ1biAodjTbWLQ)
Forum: Rotorheads
28th Jan 2010, 22:34
Replies: 27
Views: 7,329
Posted By slowrotor

It looks like another helicopter was filming the...

It looks like another helicopter was filming the clip from nearby as well.
Forum: Rotorheads
17th Jan 2010, 23:02
Replies: 111
Views: 34,820
Posted By slowrotor

Is that a "tail" rotor?

Is that a "tail" rotor?
Forum: Rotorheads
17th Jan 2010, 18:03
Replies: 111
Views: 34,820
Posted By slowrotor

It might be easier to do some dynamic testing by...

It might be easier to do some dynamic testing by bolting the machine on top of an old truck and racing up and down the runway or open field.
This has been done with fixed wings of odd design, such...
Forum: Rotorheads
10th Jan 2010, 17:49
Replies: 16
Views: 4,551
Posted By slowrotor

The most laughable comment in the article was...

The most laughable comment in the article was this:
"regulatory agencies should rally round and assist these men to achieve their goal."
Forum: Rotorheads
2nd Jan 2010, 19:41
Replies: 111
Views: 34,820
Posted By slowrotor

I think it is best to slowly pull it off about 1...

I think it is best to slowly pull it off about 1 inch and then set it right back down before it starts to move sideways or backward. Keep doing that until you can hold a 1 inch hover without moving....
Forum: Rotorheads
1st Jan 2010, 15:23
Replies: 111
Views: 34,820
Posted By slowrotor

I like the belts. Should work fine as long as...

I like the belts. Should work fine as long as they don't come off the wheels.

Looks cool!


p.s. Hope you have some recent piloting time or dual instruction.
Forum: Rotorheads
3rd Dec 2009, 23:01
Replies: 38
Views: 8,656
Posted By slowrotor

Pilots often come up with some rather strange...

Pilots often come up with some rather strange stories to explain how the aircraft got all twisted and bent. Usually the pilot has no fault and blames the aircraft design or some unfortunate mechanic....
Forum: Rotorheads
1st Dec 2009, 21:41
Replies: 358
Views: 149,913
Posted By slowrotor

blakmax, I was wondering if there might be a...

blakmax,

I was wondering if there might be a chance you could write a book about bonding practices.
Something an average mechanic or pilot could use and understand.

I would buy the book....
Forum: Rotorheads
15th Oct 2009, 21:57
Replies: 32
Views: 4,287
Posted By slowrotor

Hello Dave, All of my vertical flight ideas...

Hello Dave,

All of my vertical flight ideas have been determined to be impractical.
Instead I am building an ultralight airplane. This aircraft might be used in the future as a testbed for some...
Forum: Rotorheads
15th Oct 2009, 18:21
Replies: 32
Views: 4,287
Posted By slowrotor

Saintsman, A propeller is device that...

Saintsman,

A propeller is device that produces thrust to propel an aircraft forward and is designed for a particular forward speed.

A rotor is a propeller optimized to produce static thrust. ...
Forum: Rotorheads
12th Sep 2009, 04:05
Replies: 358
Views: 149,913
Posted By slowrotor

Here is another method that anyone can use to...

Here is another method that anyone can use to inspect for disbonds:

Sometimes in the evening or morning, dew will condense on the aircraft surface and the substructure can be seen in the pattern...
Forum: Rotorheads
7th Sep 2009, 19:56
Replies: 18
Views: 6,620
Posted By slowrotor

Not bad, for two months work. At least he knew...

Not bad, for two months work.
At least he knew enough to skip the human power plan and get an engine.
Forum: Rotorheads
30th Aug 2009, 00:05
Replies: 218
Views: 54,890
Posted By slowrotor

I think stepwilk got it right with the comment:...

I think stepwilk got it right with the comment: "It's fine to request flight following if you're cutting a corner to go over the Gulf of Mexico or traversing a mountainous region, but to think...
Forum: Rotorheads
28th Aug 2009, 15:16
Replies: 218
Views: 54,890
Posted By slowrotor

stepwilk, CTAF is Common Traffic Advisory...

stepwilk,
CTAF is Common Traffic Advisory Frequency.
It is used for airport areas and also used for regions as well. I don't have a New York area chart, but on my Seattle chart there is a large...
Forum: Rotorheads
28th Aug 2009, 01:00
Replies: 218
Views: 54,890
Posted By slowrotor

Are you saying the airplane pilot should have...

Are you saying the airplane pilot should have been listening on CTAF when entering the corridor instead of talking to the tower and requesting flight following?
Forum: Rotorheads
27th Aug 2009, 23:11
Replies: 218
Views: 54,890
Posted By slowrotor

Thanks stepwilk, but read post #200, the pilot...

Thanks stepwilk,
but read post #200, the pilot requested flight following: "However, the pilot of the airplane requested flight-following services from TEB air traffic control (ATC)."


I have...
Forum: Rotorheads
27th Aug 2009, 21:24
Replies: 218
Views: 54,890
Posted By slowrotor

Would the airplane pilot normally be listening to...

Would the airplane pilot normally be listening to ATC and CTAF at the same time while flying this VFR corridor?

If not, then this could be a problem, I think.
slowrotor
Forum: Rotorheads
18th Aug 2009, 01:32
Replies: 218
Views: 54,890
Posted By slowrotor

Berniecta posted: "Gliders in europe have started...

Berniecta posted: "Gliders in europe have started fitting a small instrument (as cockpits are small and cramped up to every usable inch) called Flarm or another one called T-Advisor DSX. "

I did a...
Forum: Rotorheads
9th Aug 2009, 17:47
Replies: 218
Views: 54,890
Posted By slowrotor

The only way to prevent midair collisions in my...

The only way to prevent midair collisions in my opinion is this:
We need special goggles or eye glasses that can highlight traffic to enhance our normal vision.
It could work with the ADS-B to...
Forum: Rotorheads
10th Jun 2009, 00:05
Replies: 13
Views: 4,556
Posted By slowrotor

The June issue of Rotor & Wing says the Bell...

The June issue of Rotor & Wing says the Bell Hybrid Tandem Rotor design is: "led by industry veteran Nick Lappos."

Why is it called "tandem rotor"?
Looks like a side by side configuration, I must...
Forum: Rotorheads
4th Jun 2009, 19:28
Replies: 10
Views: 2,544
Posted By slowrotor

Why two rotors? Tip jets are torqueless, no...

Why two rotors?
Tip jets are torqueless, no need for counter-rotation.

Must be a UAV.
Forum: Rotorheads
1st Apr 2009, 17:24
Replies: 7
Views: 1,324
Posted By slowrotor

It might help to look at almost any RC helicopter...

It might help to look at almost any RC helicopter to see how the Hiller control paddle system works. The servos move the paddles.
slowrotor
Forum: Rotorheads
5th Dec 2008, 15:09
Replies: 624
Views: 293,914
Posted By slowrotor

It is worth taking the Enstrom maintenance course...

It is worth taking the Enstrom maintenance course before buying, in my opinion. I took the course, then decided not to buy a helicopter (cost too much for me). If I had partner, that might have...
Showing results 1 to 35 of 440
 
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