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Search: Posts Made By: LADDIE
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Forum: Seaplanes
06-16-2015, 05:46 PM
Replies: 609
Views: 101,351
Posted By LADDIE

Do not round the corners. I guarantee that it...

Do not round the corners. I guarantee that it will never lift off from water surface. I know that because when I was asked by Bob Parkinson to design N/S for him to produce as a fibreglass kit. I did...
Forum: Seaplanes
07-04-2014, 02:02 AM
Replies: 609
Views: 101,351
Posted By LADDIE

Hi Bob. That is fine as far the hatch goes....

Hi Bob. That is fine as far the hatch goes. Laddie.
Forum: Seaplanes
06-26-2014, 04:24 AM
Replies: 609
Views: 101,351
Posted By LADDIE

The hatch is fine. Only reason I designed the NS...

The hatch is fine. Only reason I designed the NS with the cockpit was for looks. Good luck.
Laddie.
Forum: Seaplanes
03-03-2014, 06:52 AM
Replies: 609
Views: 101,351
Posted By LADDIE

Hi Adam. That is interesting engine. From the...

Hi Adam. That is interesting engine. From the engine specifications, it should work on the NS. Just try to keep the area behind the C/G as light as possible, so the least amount of lead will be...
Forum: Seaplanes
08-12-2013, 03:46 AM
Replies: 609
Views: 101,351
Posted By LADDIE

When I was designing NS, I drew the tapered...

When I was designing NS, I drew the tapered ailerons for two reasons. I like the look of tapered ailerons and I was concerned that without the taper, the ailerons might be too sensitive. If you want,...
Forum: Seaplanes
05-30-2013, 09:05 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Here I go again. Here is a reason I shaped the bottom of the fuselage and the height of the step as you see on original NS. In my mine I figured that I rather let the model to pick up lot of speed...
Forum: Seaplanes
05-30-2013, 02:45 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Alasdair.

Thank you for changing my thinking about the benefits of having elevons on the North Star.
I am learning something about NS that I did not know.
Laddie.
Forum: Seaplanes
05-29-2013, 02:02 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Lione, I agree with you statements. Personally I do not see any benefit making the ailerons into elevons on the NS. The area of the ailerons on the NS is too small to make them effective as a...
Forum: Seaplanes
05-23-2013, 03:33 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Hi Lionel.
You created one of most attractive looking NS. I hope that the changes you incorporated into the design work for you. I am sure you will let us know your experience with the model once...
Forum: Seaplanes
05-04-2013, 09:10 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Here is my electric NS with 11” prop.
The wing tip floats were tapered for looks.
I am enclosing some pictures of my electric NS. Notice amount of space between the trailing edge and the...
Forum: Seaplanes
05-04-2013, 05:10 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

I am delighted with amount of discussion around the NS.
I never installed V shape bottom. If I remember correctly Scott, producer of the Polaris Ultra ARF told me that he had first version...
Forum: Seaplanes
05-01-2013, 01:22 PM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Too bad that you are having all these issues with the NS. I am not surprised that you NS is dog.
You said that it is flying brick. At 9 Lbs and powered with .46, no wonder that it underperforms. ...
Forum: Seaplanes
01-24-2012, 03:36 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

You are right. Since these pictures were taken I changed the wiring so the speed controller is close to the battery.
Forum: Seaplanes
01-23-2012, 01:57 PM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

drumduan
When I designed the N.S. about 25 years ago it was for plain bearing OS.35 I had. Since then me and other modellers installed all kind of glow engines up to the 120 four stroke. In 2006 I...
Forum: Seaplanes
03-06-2011, 12:48 PM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

I am enclosing some old photos I scan from my albums showing just minute portion what was done to North Star design by modellers around the world. Most of the scans are of poor quality, by it give...
Forum: Seaplanes
03-06-2011, 07:36 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

No. It is still in the same place which is OK.
Forum: Seaplanes
03-05-2011, 01:28 PM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

The North Star produced by Balsa USA is strong enough for normal flying using landing gear for land operation. If flown from hard surfaces without the landing gear, then glassing the bottom is...
Forum: Seaplanes
06-10-2010, 11:05 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

I use to have one NS without the strakes. I could not tell the difference between two.
When I was designing NS I had two reason to add these strakes.
The first one was to reduce the chance of...
Forum: Seaplanes
06-06-2010, 06:16 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

Congratulation. Great looking model. I am glad that you sorted out the radio problem. I like your neat building and finishing.
Laddie.
Forum: Seaplanes
03-28-2010, 06:32 AM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

I would do the same thing.

I know that my original drawing that was published in RCM magazine had both sides of the wing were same length. The error on the drawings was introduced when...
Forum: Seaplanes
12-25-2009, 12:37 PM
Replies: 609
Views: 101,351
Posted By LADDIE

Forum: Seaplanes
07-01-2009, 04:06 PM
Replies: 609
Views: 101,351
Posted By LADDIE

RE: Northstar mods - Tell me what you think

predmech,
Great looking NS. Good luck.
Laddie.
Showing results 1 to 22 of 22


 
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