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Member postings for Sparks

Here is a list of all the postings Sparks has made in our forums. Click on a thread name to jump to the thread.

Thread: Maricardo Plan MAG 1529
10/05/2020 09:06:00

The Maricardo build is progressing (slowly). I'm just about to fit the firewall. I notice the plan now shows no down or side thrust.

Should I be incorporating a couple of degrees of side thrust, perhaps those who have gone before can comment?

It will an electric set up, I was planning to use an SK4250-650KV with a 4S 4000mA battery, ex my SLEC Funfly, which I reckon will be adequate for my style of flying. (4Max's website suggests a more powerful/heavier set up - a PO-5055-595KV with a 5S 4500mA battery).

Any comments appreciated.

 

 

 

Edited By Sparks on 10/05/2020 09:07:14

28/02/2020 09:20:59

That's a very tidy looking model DaveB. I might well 'borrow' that colour scheme .

I'll probably go electric as well. I have a spare motor from a SLEC Funfly that was demolished in a mid- flight coming together.

27/02/2020 19:23:35

I had a promo email. Not sure if it is still valid, but the promo code was LASER40

Give it a try, here's the link 'LASER40'

27/02/2020 13:26:07

Thanks for your reply kc.

Looks like the 2004 free plan has not been fully 'Strawsonised' as the main wing still has a slight dihedral and the ailerons are 1"x1/4" instead of 1 1/2" x 3/8". As Sarik are offering 40% off the laser cut kit at the moment I succumbed. Any way, it will pass the time whilst the water is drained from our flying site at Shrewsbury.

26/02/2020 22:41:51

I'm thinking of building a Maricardo.

Can anyone tell me if the MAG 1529 plan currently available from SARIK incorporates the Paul Strawson modifications viz:

Zero Dihedral, bolt on wing and wider ailerons and rudder etc.

I have the original April 2004 RCME plan, which doesn't have the above mods. So I'm wondering if the plan has been updated during the 16 years it has taken to rise to the top of my build list!!!

Thanks, Sparks

Edited By Sparks on 26/02/2020 22:42:30

Thread: Hitec servo.
07/08/2019 19:48:48

The screw size for a Hitec 645MG is M2.6 x 8mm - Google is your friend!

Thread: Which Servo Sould I Use?
14/07/2019 09:18:47

Hi David,

A dab of threadlock, such as Loctite, on the nuts is a useful precaution.

Thread: How does a BMFA Country Member get an A Certificate?
27/06/2019 23:00:35

Tim,

To quote Martin from an earlier post, 'Flown correctly, for an instant during the turns between the circles, the model should be flying directly away from you'.

 

 

.

Edited By Sparks on 27/06/2019 23:01:17

Thread: Variable resistors
18/04/2019 19:20:41

Here is a zero-cost solution using the existing 5 Ohm pot.

If its a three terminal pot, connect the two outer terminals together and connect to voltage input.

Then take the output from the middle (wiper) terminal. For a 5 ohm pot, this will give you a 0>1.25>0 Ohm pot.

e.g. at beginning and and end of pot travel, resistance will be 0 Ohm. At mid-span resistance will 1.25 Ohm.

You could restrict pot movement to half scale mechanically to give 0>1.25 Ohm span. The travel/resistance will be a little non-linear, but shouldn't be a problem in this application.

Hope that helps, Sparks

Thread: Servo /RX incompatibility?
05/03/2019 22:04:38

Hi Phil,

Have you checked what servo frame rate your transmitter is set up for?

On my Spektrum DX8 you can set a frame rate of 11ms or 22 ms.

The older Analogue Servos require the slower frame rate of 22ms.

The newer Digital servos are happy with frame rates of 11ms or 22ms, but give a faster response with a frame rate of 11ms.

On the DX8, the frame rate setting can be found in the 'system setup' menu.

Thread: Announcing Plans for the 2019 Mass Build
01/10/2018 19:44:05

From the previous posts, an Astro Hog would be appropriate build!

Astro Hog

Thread: Ebay sellers...
25/07/2017 20:11:52

Now, here's a bargain for someone!

Thread: whats safest and why
20/07/2017 19:19:29

'B' looks a bit dodgy to me as a prop coming off a plane on the rear row could hit someone on the front row... and vice versa.

Sparks

Thread: Wifi Central Heating Controls
08/07/2017 14:20:48

Hi Erflog, I would check the channel setting jumpers on your neighbour's installation.

My Altech Wireless CH system was behaving erratically, so I checked with my neighbour who had the same installation (same fitter) . Turned out both were set to the same default channel so we were controlling each others system.

I changed the channel jumpers on mine and sanity returned!

Sparks

Thread: Who's a lucky boy then?
08/06/2017 22:47:00

The postie delivered a 'mystery' parcel today. I was surprised to find I had won an Overlander TS80 Charger in the last competition. Many thanks to RCME and Overlander, much appreciated. My luck is obviously in so I think I ought to buy a lottery ticket now.

Sparks

Thread: changing lipo connectors
16/05/2017 08:42:52

... and when you twist the wire ends, don't forget to use gloves or tissue. You don't want all that grease on your fingers getting on your nicely cleaned wires.

Thread: 2017 Mass Build Voting Thread
07/11/2016 19:59:16

1. Astro Hog

2. SLEC Fun Fly

3. Maricado

Thread: 2017 Mass Build
17/10/2016 09:42:52

Another classic for consideration, the Astro Hog and its siblings. The plans are available for download from the usual sources.

The original Hog is 72" span, but there are also 48" and 36" (Mini Hog) versions as well.

The full size SIG kit is available at a price, but you would rather cut your own wood wouldn't you?

Here is my leccy powered Mini Hog:

Astro Hog

Sparks

03/10/2016 16:44:31

Blimey, is that time already, I've only just finished my Mini Jazz!

Thread: Mini Jazz builders hangout.
09/09/2016 19:27:22

Hi John,

I'm a slacker too, my excuse is house extension, decorating, life etc.

I did ask the question of the man himself, Malcolm Corbin, via the members email. His reply was:-

"The plan in the mag was drawn wrong. I set tail at zero!!"

So, that is what I have done.

I have just covered my Mini Jazz and hope to have it completed and maidened in a couple of weeks if the wind ever drops below gale force!

Good luck your Mini Jazz.

Sparks

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