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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: Silencer recommendations
26/05/2018 18:06:40

When prop tips go supersonic a mini sonic boom comes off each tip. A North American Texan/Harvard prop was direct drive from the engine and made a noise to behold [ well for a bit ]

Thread: Engine test stands
24/05/2018 17:44:40

Hi trebor, That is a Laser 150 and the lugs do fit all the way in It would not take any thing larger Cheers. John.

24/05/2018 12:41:50

sam_1477.jpg I just like running engines so a test stand is handy for those not in aircraft.smileyMy first Laser

Thread: Tentative return
23/05/2018 16:03:31

The next time he is out with the chainsaw have that old COX engine ready to go and let it RRRRRIP.winksmiley

Thread: Electricity Pylon Interference?
22/05/2018 14:09:19

That it was carbon fiber,nice and conductive ?

Thread: Precedent models from the 80, Hi-Boy, Low-Boy and Supernova
16/05/2018 12:02:02

The T240 was a bigger version of the T180. A fellow club member was chucking his old 180 around the sky like a good un on the weekend.

  I still have a Hiboy used now and then as an engine test bed,has the wing from a Rojair cadet 62 though.

Edited By J D 8 on 16/05/2018 12:04:33

Thread: Solarfilm
11/05/2018 17:36:15
Posted by J D 8 on 11/05/2018 14:03:50:

When singer Gene Pitney died the undertaker received a request for a special coffin,The coffin maker wrote back saying that to make it from oak would take a week, but Only twenty four hours from Balsa.

11/05/2018 14:03:50

When singer Gene Pitney died the undertaker received a request for a special coffin,The coffin maker wrote back saying that to make it from oak would take a week, but Only twenty four from Balsa.

Thread: Wings over Illawarra 2018
11/05/2018 09:41:01

Nice pics and info.

07/05/2018 18:40:51

Another from the bits box,Testors 049. I like the built in spring starter,much better than the open Cox/DC type.Also think the wire flexible needle valve is neat.sam_1498.jpg

Thread: Steering nose leg does it need trail
07/05/2018 08:24:17

The problem with ducted fan or jet is there is little airflow over the rudder at low speed.

Sounds like you have an F16 or similar type with narrow main UC track not well suited to grass operation. A little rake may help as would making sure there is no slop in the steering and the steering servo is man enough for the job

Thread: Spring 2018 is here...been flying?
06/05/2018 21:56:44

First full flying day for me this year.lovely day with little wind. Just the job for the Bleriot.8.jpg

Thread: Query on use of old Futaba 35Mhz equipment with modern electrics
03/05/2018 21:05:37

I still use 35 for several low use aircraft some electric and have not had any problems.

Thread: BBC Weather
25/04/2018 22:47:55

It's a con,they keep telling us the weather is going to be better than it is so when we look back we will remember it better than it was.wink

Thread: Prop adaptors: How tight is just tight enough?
25/04/2018 10:43:55

Is that a pusher or tractor set up ?

25/04/2018 10:41:44

I would say that the bar needed to tighten the adapter should be no longer than one prop blade.To prevent turning hold the prop not the motor.

Thread lock will not prevent you undoing it.

Today just about every bolt on anything has a torque setting.Mechanics of old were expected to learn how much they should lean on different sizes of fastening to secure them.

Thread: Shoulder wing design question
22/04/2018 11:15:35

Some fuselage shapes can contribute to lift as in knife edge flight for a normal aircraft [ Delmar Benjamin's Gee Bee model R replica had very good knife edge perfomance with it's fat rounded fuselage ] or in the case lifting body types like the Brunelli lifting body aircraft.

For most aircraft any extra lift is very small and can be ignored no matter where the wing is mounted.

Thread: How did that happen?
18/04/2018 10:26:03

I once had a model that was a "bitsa" Flair Fledgling wing,drainpipe fuzz,tail from something else.

Build up some speed in a dive,pull full up and it would perform a lovely cloverleaf maneuver with no other input. The one piece wing had a tad more incidence on one side.

Thread: Laser Engines - Technical questions
17/04/2018 21:10:29

I have one of those tachos and it is rubbish.

Thread: Vauxhall In The Doldrums.....
17/04/2018 21:08:51

I liked both my Cavaliers but could not take to the Vectra.

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