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Member postings for J D 8

Here is a list of all the postings J D 8 has made in our forums. Click on a thread name to jump to the thread.

Thread: IC Engine Bearings...
21/03/2020 14:09:47

I wonder how that chap knew when to put the catch rope on the puller jack of the ship prop ?

20/03/2020 12:42:28

If you want to feel how powerful Gyroscopic precession is take an angle grinder and hold it firmly in front of you and start it. Then turn your whole body quickly through 90 degrees. You will feel the grinder want to twist in your hand.

Do this with a 9 inch grinder and heavy disc be very careful as the effect is very powerful.

Edited By Steve Hargreaves - Moderator on 20/03/2020 19:47:38

Thread: Engine Failures
19/03/2020 09:31:00

Have had two crank pin fails. DC Sabre in motor glider that I learned to fly RC with, had a lot of use.

OS max15 let go in a full power dive, it was underproped. Abuse I recon [ know better now ] A problem for model and full size engines of all types.

I have a mate who does a lot of work on Ford TDci engines [ Transit vans ] Any particular problems with these engines I asked ?

Yes he said, the ------- just don't service them.

18/03/2020 18:26:52

Two years ago at the start of the flying season I was running up the Enya 90 in my Major Mannock in the back yard. Started with ease and ran well but after a couple of minuets I saw the prop start to wobble. Went to shut it down but as I did so the thing stopped with a bang. The prop flew off and shattered on the concreate. Bit's flew all over and I was lucky not to be hit.

Examination showed front bearing had gone to bit's. Engine has been pulling the Mannock around for twenty years, no castor and stored over winter in the dry with ATF fluid injected. There was no corrosion to be seen on the bearing bits or shaft. I think it just wore out. [ as other bearings do on my farm machines ]

Easy fix on the Enya with removable front housing. Been going fine since. Cheers John.Major Mannock

Thread: Insanity seems to be setting in
18/03/2020 14:08:58
Posted by Robin Colbourne on 18/03/2020 12:58:09:
Posted by SR 71 on 18/03/2020 12:07:36:

They'll be making them with bomb doors soon! :-D

During the siege of Malta in 1942 that is just what was done. No wood to spare for coffins all being used for cooking fuel.

16/03/2020 10:30:26

What was that item on the news every day last year ? Started with a B I think.wink

Thread: Hangar 9 Valiant 10cc
15/03/2020 10:03:08

Looking good, nice tidy installation.smiley

Thread: Ballance on an electric BOOMERANG 40 question
15/03/2020 09:57:27

Yes, balance with battery fitted and if space allows move batt fore and aft to find the right spot. If you find you still need more weight to get balance correct then do so. [ unlikely with a boomerang I would think ]

Thread: How to Make Wheels, Mannock Build Part 14
14/03/2020 13:13:40

Hi Cliff, If you have trouble keeping your glued tires together large rubber O rings are available. Their normal use is mounting exhausts on large vans and trucks. Can be had in many sizes and thickness.

Cheers, John.

Thread: Motor stutters near full throttle
13/03/2020 17:28:14

My T8j has a servo monitor, if by that Denis means the servo test screen in the power down mode.


Thread: English language ?
12/03/2020 20:29:08

Today we need to be "more better" not just better.

Thread: Motor stutters near full throttle
12/03/2020 12:12:50

Richard may be on to something with the battery, would a poor connection here result in the same problem?


12/03/2020 11:27:18

Another who had the same problem and it did turn out to be poor connection on a motor wire.

Thread: Insanity seems to be setting in
10/03/2020 12:28:12

There is flu and then there is FLU. During the 1918/19 flu pandemic there was a family of seven. [ not related ] living at my farm. ONLY two survived, the youngest and the oldest .

Thread: 2 or 3 questions please, need some wise advice
08/03/2020 18:32:32

It is normal to cover the tail before fitting but to remove a section of covering at the attachment point for the glue to have good adhesion. This must be done with care so as not to score and weaken the wood underneath.

Thread: How to set up ailerons on separate channels (T10J)
06/03/2020 12:09:54

It will be Futaba T10j .

Thread: KLemm 35
02/03/2020 09:07:09

Very nice, I do like to see old models repurposed. [ and other things ]smiley

Thread: Flair Puppeteer
29/02/2020 22:28:47

On my Major Mannock the top wing was held by 4 saddle clamp's and 8 screw's, a right pain.

Now two nylon bolts through a holes in plate soldered to the cabane at the rear and two piano wire hooks attached to the original saddle clamp fixings on the wing then pass under the front cabane cross wire [ a little tape prevents wire to wire contact] hold the wing in place. So now only 4 bolts to fit both wings.

Struts just slip on and held in place by flying/ landing wires, much easier and quicker.smileyMajor Mannock

Edited By J D 8 on 29/02/2020 22:30:04

Thread: Modified or not Magnatilla.
29/02/2020 13:49:54

Had a few of these at the club over the years, all good flyers. Do what you like but be careful not to add weight at the rear or there will be a lot more going In at the nose.

Thread: Is this weather ever going to get better!!!!!!!!!!!!!
28/02/2020 11:47:21

Getting yet another blast here on the West Wales coast along with lot's of horizontal rain.sad

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