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Search: Posts Made By: Goldenduff
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Forum: Seaplanes
01-30-2019, 05:51 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

North Star edf

Hello,

hope you you don’t mind the intrusion. How is the north star edf? Any pictures?!....

all the best, Adam
Forum: Seaplanes
03-03-2014, 05:38 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

Thanks Lionel, it was myself (and possibly...

Thanks Lionel, it was myself (and possibly others?!) that requested the information. Glad to hear she flies well.

What do you folks think of this petrol engine for the NS?...
Forum: Seaplanes
05-30-2013, 01:13 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Or at least with suspension. An actuator would be easily installed instead of lead in the nose!!!
Forum: Seaplanes
05-28-2013, 01:52 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Surely up elevator reduces the ground effect that would aid take off?</p>
Forum: Seaplanes
05-28-2013, 12:38 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Would up elevons at take off reduce the high pressure build up under the wings caused by ground effect (water effecti n this case) and there for decrease lift?

I would be interested to hear the...
Forum: Seaplanes
05-27-2013, 11:42 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Good thinking Lionel- elevons at take off would limit the cushining of ground effect (or water effect).
Forum: Seaplanes
05-27-2013, 10:02 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

There are various sizes of Polaris by matt ? Schumate- flat wing though.
Forum: Seaplanes
05-23-2013, 12:33 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Perfect Lionel.

Do you think a servo per elevator half would imrove roll at slow speeds? I'm thnking of high alpha stuff when descending. The prop wash would lend authority to the horizontal tail...
Forum: Seaplanes
05-22-2013, 11:52 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hi Lionel,

That is one of the nicest looking NS I have seen! Well done! Please please let us know how it flies- ideally with a video.

I like the curved turtle deck look and the engine pod-...
Forum: Seaplanes
05-02-2013, 05:15 AM
Forum: Seaplanes
05-02-2013, 04:19 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

 

Has anyone replaced the slab surfaces with airfoil shaped? I did that with the upper vertical fin and wondered if it would be one way to build a lighter and stronger horizontal assembly.
<span...
Forum: Seaplanes
05-01-2013, 01:53 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hey Laddy! Not meaning to suck up but that's pretty much what I said- too heavy, needs more power. <div>
</div><div>You forgot to mention that the Northstar has been developed in to a park flyer...
Forum: Seaplanes
04-30-2013, 12:52 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hmm, doesn't sound too bad- you got the prop on the right way round (lol). <div>
</div><div>Not sure about trim tabs but sharp even acute edges on the step and the rear of the floats is reported to...
Forum: Seaplanes
04-30-2013, 09:02 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

A .55ax might make all the problems go away! What weight is the plane, 8lbs is on heavy ish side. Is the step sharp? Are te rear edges of floats sharp? What 3 blade are you using? The ns is awesome...
Forum: Seaplanes
01-25-2012, 01:12 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hello Bob- do you mean the motor mount and or pod? <div>
</div><div>Senerak- laddy's electric NS has the pod height increased by 3".... No beware warning given whilst doing so (I think I read a gyro...
Forum: Seaplanes
01-23-2012, 02:40 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Esc should go near the battery not the motor.... I think
Forum: Seaplanes
01-23-2012, 02:03 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Fantastic Laddy! No disrespect, that's Scottish for man and what I always think when reading the manual etc!<div>
</div><div>Will study that link in the morning, cheers</div>
Forum: Seaplanes
01-23-2012, 01:51 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hello <div>
</div><div>The os brushless 55 equivelant is lighter than their glow however the battery needed is heavier than the fuel. However battery minus the lead in nose negated this I.e nose...
Forum: Seaplanes
01-23-2012, 12:19 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

I've made the foamy Polaris and am hooked! <div>
</div><div>Really unsure about a .55 or brushless. A 12" brushless should give the power and I think I should be able to build 6.5lbs.</div><div>...
Forum: Seaplanes
01-23-2012, 12:02 PM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

I will look at the plans sometime re prop relief slot.<div>
</div><div>I had guessed a 1000w minimum- sadly prop diameter will limit how I can get that wattage. I really am swithering between ep and...
Forum: Seaplanes
06-09-2011, 11:21 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

So did mounting the tank on CoG reduce weight needed in the nose? Also what do you think about making the nose longer for leverage if any weight is needed? Anything to go wrong with that idea?!
Forum: Seaplanes
06-08-2011, 07:03 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Fair point Cougar but......

On the plans the CoG is set with the tank empty. So acceptable flight will be from this point (tank empty) to slightly rearwards (when tank full).  I would assume the...
Forum: Seaplanes
06-07-2011, 03:37 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hello cougar, I am on holiday for a week so away from my shed. Basically the guy bosted 0.02mm accuracy (I think!) and this was not reflected in the kit. It should have fitted together with notches...
Forum: Seaplanes
06-05-2011, 11:02 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

Hello again and sorry if I am prolonging this thread. Basically I was not impressed with my CNC kit- accuracy way wrong. Anyhow I'm persuing two options- a scratch build AND the balsa USA. Anyhow I'm...
Forum: Seaplanes
05-05-2011, 07:30 AM
Replies: 609
Views: 101,352
Posted By Goldenduff

RE: Northstar mods - Tell me what you think

My home town is Keith! I live 10miles from there now. Will pm you so as not to bore the others. Loving the pics.
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