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S1581 Hawker Nimrod MkI

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Danny Fenton28/05/2020 19:36:01
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9635 forum posts
4451 photos

second strut made, and they both fit. Still unsure if the wires are going to pull the wings tight against the fuselage, or whether I will need to anchor the trailing edge of the lower wing. Nee to make up the flying wires next and then we will see.

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Cheers

Danny

Eric Robson28/05/2020 23:03:36
266 forum posts
49 photos

The struts are looking good Danny, are you going to glass them? They look smooth on the full size. Have you tried it in the Mondeo yet?

Cheers Eric.

Danny Fenton29/05/2020 08:56:37
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9635 forum posts
4451 photos

Thanks Eric, on the full size they are indeed smooth painted alloy, at least on mine. I was going to give them a coat of resin alone, make them tougher than dope. But sanding sealet may be enough.

My workshop is on the 2nd floor so it is still too flimsy to try and carry it out to the car. Maybe once the rigging is set.

Cheers

Danny

Danny Fenton29/05/2020 21:41:48
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9635 forum posts
4451 photos

Not a very productive day today. Made the lifting wires and was pleased how well they worked especially the dual forward wire, looks just as I hoped, and hope that answers your question Martyn as to why I used piano wire and not the flat wire from Mick Reeves?

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However the wires do not lock the lower wing panel in position and it wants to pivot forwards.

This is not helped by the struts not meeting the wings perfectly, they appear to be a 6mm too short.

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So I think I need to find a way to lock the lower wing panel, possibly a brass plate between the wing and centre section, as I think Martyn did?

Then I will cut the struts forward and rearward posts and lengthen them temporarily (thankfully they are still bare balsa) And see where we are from there.

I fear this stage could take some considerable time.

With hindsight I think we should have kept the wings in single panels, or used a better anchor method with lugs and rods as Gwynn did on his, and I did on my little indoor Cub.

We will get there though

Cheers

Danny

Edited By Danny Fenton on 29/05/2020 21:44:44

SR 7130/05/2020 01:17:26
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452 forum posts
140 photos

Iv had to fit retainers on my Bucker as the rigging would not hold the wing in tight, had a couple of flights with it but on landing the wings were not in the correct position

Danny Fenton30/05/2020 07:38:31
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9635 forum posts
4451 photos

I hear you, may have to do the same.

Wings at the wrong attitude has to make landing entertaining?

Cheers

Danny

Eric Robson30/05/2020 11:06:08
266 forum posts
49 photos

I have the same problem with my struts. I put it down to me not getting the wings perfect and pulled the struts into place with the wires but did not check the incidences at the time assuming the struts were correct. But with other faults on the plan it could be the drawing at fault again. I have been bunking off again and making the most of the lovely flying weather so the Fury is at a stand still at the moment. Your Mick Reeves fittings look first class Danny

Cheers Eric.

Danny Fenton30/05/2020 12:56:19
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9635 forum posts
4451 photos

Thanks Eric, you only get around 6mm of travel on the Reeves forks, and i was doing as you did, pulling the wings to the struts, got close before running out of travel. However eyeballing the trailing edge the rigging was distorting the panels.

You better check yours, when you get bored of flying of course

Cheers

Danny

Martian30/05/2020 14:04:26
2529 forum posts
1163 photos

Well in one way it's good to know in another it's a nuisance, from my point of view it highlights the same problem I'm having so I will have drag it out and into the hanger fit the wings and do some measuring bit of a long haul getting it right . By the way Danny it's all looking good 👍

Danny Fenton31/05/2020 00:17:48
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9635 forum posts
4451 photos

Sorry about the quality of this video, I am having trouble with the focus on my camera. Might be time to try the GoPro and see if I can do any better on the close-up stuff with that.

But if you want to see how simple the fork ends are to solder, and how the Reeves's fork ends work, here is your answer.

Sleep well.....

Edited By Danny Fenton on 31/05/2020 00:18:19

Eric Robson31/05/2020 09:40:49
266 forum posts
49 photos

Hi Danny, you make it look easy! my problem would be getting the wire straight. I'm fine if I can stick it down a tube and solder. I am going to try it anyway, will order the solder etc. tomorrow. Have you done any thing with the struts yet? I set mine up last night and found I will have to make them longer, I wonder what previous builders have done as mine match the drawing when laid on top. I had planned on mounting the radiator with two screws but found it awkward to put them in so I used two magnets. When I run the motor up it got to quarter throttle and blew the radiator off. back to the drawing board.

Cheers Eric.

Martian31/05/2020 09:45:21
2529 forum posts
1163 photos

Eric mine were to short and also matched the plan wasn't in the right frame of mind to sort it out at the time

Danny Fenton31/05/2020 10:33:37
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9635 forum posts
4451 photos

I think the pictures posted earlier show mine about 6mm too short. Hopefully take a look later.

Martian, my radiator is held on using 8 magnets in total. 1 in each corner. I have used this method many times. I would up your magnet diameter perhaps?

Cheers

Danny

Edited By Danny Fenton on 31/05/2020 10:34:25

Danny Fenton31/05/2020 15:12:07
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9635 forum posts
4451 photos

I think we have one wing slightly ahead of the other, as interestingly on the starboard side the strut fits much better, and with just a small amount of tension on the forward lifting wire, the strut is locked in, as are the wings, they do not want to move fore and aft. So I will extend the legs on the port strut and see if that restores the situation.

With the rigging under tension, even just a little, the whole structure is really rigid, well pleased.

A little walk-about for your delectation.
Cheers
Danny
Martian31/05/2020 16:46:06
2529 forum posts
1163 photos

Hi Danny your ref magnets should directed to Eric my radiator is fixed

Danny Fenton31/05/2020 17:50:10
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9635 forum posts
4451 photos

Hi Martian, sorry I even typed Eric at first and went back and corrected!! Sorry about that.

Well my rigging is all sorted, struts altered and rigging nicely tuned.

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Viewing from the rear the wings look pretty good to me

Cheers

Danny

Eric Robson31/05/2020 21:52:17
266 forum posts
49 photos

Hi Danny, I have looked at mine and walked away, still thinking of how to get over it , I would not be happy having one side different to the other. I found when I put part of the rigging on it did really firm up the wings which without it they were very flexible.

Cheers Eric.

Danny Fenton31/05/2020 22:03:40
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9635 forum posts
4451 photos

The end result must be all wing panels at the same incidence.

It appears on mine the top wing on the port side is about 3mm further forwards than the starboard. Hence the struts on that side reach further forwards. As long as the incidences are the same the slight discrepency ( not visible i might add) wont matter.

Good luck

Jose L. G.01/06/2020 10:36:51
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223 forum posts
194 photos

WooH Danny.

Good progress. I've dooing very little on mine the past weel. Hope to do some progress this one.

Cheers.

José L.

Danny Fenton01/06/2020 11:16:32
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9635 forum posts
4451 photos

Thanks Jose, i am very pleased as had been really worried about this part. And have never tackled real rigging before.

Up until yesterday I would never do another functionally rigged model again, however get the struts right, and the structure gets incredibly rigid!

I have Duncan Hutson Se5 at just under 1/4 scale, will look forward to it now.

Cheers

Danny

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