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Member postings for jrman

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

Thread: End for Maplins?
04/03/2018 10:04:58

Praktica ?

Thread: Coming back after 50 years: bit lost
17/01/2018 16:11:29

A better solution for holding the aerials in place is to fix a short piece of drinking straw or "snake outer" to the airframe and slide the aerial inside that. Taping is not a good idea as if you have "an arrival" the aerials may be torn out of the Rx.

16/01/2018 15:43:53

Don't want to worry you but didn't the FAKE Spektrum receivers have no orientation markings on them?

16/01/2018 13:47:49

Don't rely on just a flat piece of Velcro to hold the battery in place. IT WON'T. Use a velcro strap which goes around the battery and a suitable part of the airframe.

Thread: Thrust line wandering....
10/01/2018 19:04:44

Probably "Gyroscopic Precession.

Wikipedia can explain it better than I.

"Torque-induced precession (gyroscopic precession) is the phenomenon in which the axis of a spinning object (e.g., a gyroscope) describes a cone in space when an external torque is applied to it."

Thread: Servo cable tubes
15/12/2017 12:18:32

Ready rolled icing is on the same tubes. Been using them in built up wings for servo cable tubes as well.

Thread: Repairing Fibreglass Mouldings
08/12/2017 00:15:00

On a similar repair I drilled small holes either side of the cracks and used thin plastic coated garden wire twisted through the holes to stitch the cracks together before tacking with cyano, removed the wire and lined the inside with lightweight glass cloth and finishing resin. The outside of the cracks and small holes were then filled with micro balloons and finishing resin .Using the wire enables you to pull the cracks together as tightly as necessary which I found easier than using tape.

Thread: Engines - general questions.
27/11/2017 20:37:12

Try phoning JE rather than just looking on their website, they can also supply gasket paper from which you can cut your own. Model Fixings should be able to supply all the screws/bolts that you need. They also supply bearings.

Thread: Am i being thick - probably!
06/11/2017 19:38:45

Is it set to Mode 4 ?

Thread: My Spektrum DX9 transmitter has stopped working.
06/11/2017 12:06:42

David, Mike Ridley's details:

Contact Details

Note: If you have a question for Mike please check the FAQ’s as you may find an answer there.

You can call Mike between 9.30am and 4.30pm Monday to Friday on:

07708 436163 – Please only ring this number in the normal work hours above

For all servicing and correspondence:

Mike Ridley
12 Quilter Close
SO19 0DW

Callers strictly by appointment only

To Contact Mike on email:

Thread: Flaps
24/10/2017 10:09:17

The wind speed and direction (discounting gusts) affects the ground speed. The stall speed (air speed) is the same irrespective of wind direction relative to the ground.

Thread: Do I really need to?
07/10/2017 09:20:54

It may have been referring to the use of SIG Coverall which is a nylon type heatshrink fabric without adhesive. This required the airframe to have the adhesive (Sig Balsarite?) applied before the covering could be attached.

Thread: Transmitters for DSMX indoor receiver/servo modules
22/09/2017 22:08:36

John, JR DMSS is totally different from DSM2 or DSMX and will not operate ANY Spektrum Rx.

Thread: Where to find imperial size carbon fibre wing tubes?
28/08/2017 18:36:26

Have you tried Mick Reeves?

Thread: OS 120 E
22/08/2017 10:18:55


Junichisan, in my experience, has always been very helpful and is certainly more responsive than asking Ripmax.

Glad you got sorted.

Thread: BBMF (at least) Merlin powered planes grounded
17/08/2017 14:38:05

"fitted with merlin jet engines"

Of course, the little known Merlin JET. Most newspapers should stop reporting anything to do with aircraft as they haven't got a clue!angry

17/08/2017 14:22:09

Apparently traces of metal particles were found on a magnetic drainplug in one engine. No further details yet.

Thread: OS 120 E
16/08/2017 15:16:16

Ask OS directly. The contacts name is

Junichi Shimazaki. His English is very good, (certainly better than my Japanese!)

His email is:


Thread: JU 52
14/08/2017 22:46:27

This shop is worth looking at


Thread: Who Else Wants a 63" Lavochkin La7 kit?
14/08/2017 18:31:35

Ron, I have pm'd you. Give me a call. Where in the country are you ?

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