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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  450 Scale Lynx AH-7 My first Scale build
11-22-2016 10:56 AM  3 years ago
seaharrierman

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Gosport UK

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Hi Rich

I remember seeing a 700 scale lynx some where think the guys name was Len Mount not sure if he does kits might be worth a google and email to ask.

Yes I will be as neat as possible lol slow and steady I'm in now rush to get the airframe into the fuselage until I'm competent flying her.

I did fit larger tail blade which I get from a 450 dominator.

Glen
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11-22-2016 11:01 AM  3 years ago
seaharrierman

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Gosport UK

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Thanks for the Advice CoachE I will bare that in mind

No going to look up what REVO mix is and can I adjust it with Spartan vx1e installed
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11-22-2016 07:55 PM  3 years ago
seaharrierman

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Gosport UK

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I have a question Guys

The 2 tail boom struts don't fit into the fuselage can I dispense with them completely or try and shorten them?
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11-23-2016 01:42 AM  3 years ago
CoachE

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Cincinnati, ohio -usa

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Just how rigid would you say the fuse is. If the fuse boom is strong enough you can secure the mechanics boom with stiff foam.BD Team Pilot / Get !T - Got !T - Perfect !T
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11-23-2016 01:54 PM  3 years ago
MDSCUSTOMS

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North Wales, U.K.

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Hi,

You mentioned the Len Mount fuselage, it is still available but is now handled by Starwood Models. A very nice fuselage (as you would expect from Len Mount) but certainly not cheap !

http://www.starwoodscalemodels.com/....php?13&cPath=2

Mark
I'm only here coz I'm not all there !!
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11-23-2016 06:10 PM  3 years ago
seaharrierman

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Gosport UK

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Well CoachE about as rigid as a unpressurised coke bottle
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11-23-2016 06:14 PM  3 years ago
seaharrierman

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Gosport UK

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They are very nice mark and your right very very expensive glad I'm sticking with smaller ones
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11-24-2016 12:02 AM  3 years ago
v22chap

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Granger, Indiana

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seaman
Generally you are not 3-D ing scale birds ,, so no ... you don't need the boom struts . We flew helis in the old days and for many yrs with out the struts and even did loops, rolls and stall turns with out them .
Larry C ----------Bergen R/C helicopters
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11-24-2016 12:11 AM  3 years ago
CoachE

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Cincinnati, ohio -usa

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yes i love my "len mount" fuse. but back to yours you could reinforce the boom with some fiberglass tape strips. i have no experience working with the stuff.BD Team Pilot / Get !T - Got !T - Perfect !T
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11-24-2016 01:23 AM  3 years ago
MDSCUSTOMS

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North Wales, U.K.

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The fuselage is PETG plastic so fibreglass will not stick to it, I believe the instructions on these kits suggest using a strip of the offcut plastic to reinforce the joints (They do on my UH1-D Fuz which is made in exactly the same way and assembles the same)

You have no worries with the boom supports being removed so should be fine.

Mark
I'm only here coz I'm not all there !!
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11-24-2016 07:30 AM  3 years ago
seaharrierman

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Gosport UK

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Thanks for the info guys I will test fly her tonight without the struts.
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11-25-2016 04:56 PM  3 years ago
seaharrierman

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Gosport UK

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Well Guys I've had a bit of spare time this week and put it to good use starting on the fuselage as well as practicing flying the airframe in pod and boom form which is progressing very nicely as she flies very well indeed.

I started with assembling the tail trimmed it marked up for rear access panel and tail rotor shaft and control bell crank. Test fitted the two halves then sanded the flange on one side and the internal part of other where they join with 400 grade wet and dry to rough the surface to allow better adhesion then injected medium viscosity cyno into the join and allowed to set naturally.

Once set carefully cut the rear access hatch and hole for tail rotor

Next I cut a strip of 1mm plastic card 15mm wide then to correct length trimming as I went and glued to inside of tail pylon

Test fitted the hatch

Next I removed the tail boom from the airframe and inserted it into the fuselage tail and refitted them boom.

I had to make a few adjustments to ensure the bell crank could move freely.

Then the wife insisted on me clearing away the table for dinner
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11-25-2016 05:29 PM  3 years ago
seaharrierman

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Gosport UK

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The Next day I offered up the forward fuselage. I removed one sides skid mount screws to allow the fuselage to slip between.

I then carefully marked for the rotor head and control to exit the fuselage

Using an egg cup I found in our best dinner service with happen to be exactly the right diameter 45mm so I drew round it and continue a line aft to allow for anti rotation mount and cut out.

I made sure the fuselage was central and square refitted the skids and carried out the same process on the other half,

I fixed all parts of the fuselage together with clear tape and sat back and admired her

She looks amazing. I had to remove from the fuselage to fly Thursday evening again she flies beautifully

Glen
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11-30-2016 10:13 AM  3 years ago
seaharrierman

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Gosport UK

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Over the weekend I had some spare to work on the model. Whilst going through my spares box I found A set of skids I think will Work well with helicopter. I also think with some cosmetic disguising I can make them look like the real thing.

My nest step was to tape fuselage together and glue medium Cyno.

Once set I marked where I want the front half to separate. I cut out very carefully using a new blade in my craft knife to ensure a good clean cut.

The Glass of wine was optional as a hand steadier :dribble:

Hopefully will get the frame work made and fitted during the week

Look forward to hearing you comments and suggestion

Glen
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12-01-2016 12:51 AM  3 years ago
206 pilot

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,Long Island,

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Hi Glen looking real, you did a nice job with a steady hand making your cuts, good job!!!! Rich
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12-01-2016 02:52 AM  3 years ago
coptercptn

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Mesa AZ. USA

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Nice job, I've built a few of those "petG" fuses, and they can be challenging!!Home of the "Sea Cobra".....
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12-01-2016 05:25 PM  3 years ago
seaharrierman

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Gosport UK

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Thanks Rich

A very sharp blade helped a lot as well taking it very slow

Thanks you coptercptn yes they are especially getting glues to bond

Glen
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12-09-2016 07:38 PM  3 years ago
seaharrierman

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Gosport UK

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well Its been a little while since I've had time to write.

I've been working hard on the framing. I used balsa for the frames and 1/8 liteply for the base. brass wire and tube for locating spigots and magnets to hold the to two parts together firmly.

My Wife finally got fed up with me turning our dinning room into a workshop and agreed I could use our spare as a model room.

I finally cured the slight tail wag issue I was having. I replaced the tail rotor servo with an align 620 job done brute force sometimes works. I am going to try a align 525 servo as they a bit smaller but keeping the big brute in for now as I have finally sourced a 4 blade tail rotor. GOD BLESS AMERICA lol so she will really look part static as well as running watch this space.

I Have now test fitted the pod and boom into the fuselage and I must say I an very happy so far. she looks lovely. I cut 4 10mm ply squares and glued then and the fuselage tail join pilot drilled and using captive nuts made the tail removable instead of glued. The boom seems to sit very tight at the tail plyon so I will leave of the boom struts and use foam to brace instead.

I did have a blonde moment. I decided to test run it and she was making a funny laboured noise. on investigation I notice I had accident put an extra twist into the drive belt and wrecked it. Oh well new belts on there way to me now

In the mean time I'm going to tidy up the fuselage fill gaps and get read for painting
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12-10-2016 02:28 AM  3 years ago
206 pilot

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,Long Island,

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Hey glen, your doing a real nice job on that machine.. Rich
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12-12-2016 04:26 PM  3 years ago
seaharrierman

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Gosport UK

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Thanks Rick She is coming along very nicely.
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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  450 Scale Lynx AH-7 My first Scale build
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