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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: Pusher props
30/07/2020 17:53:00

It looks like a tractor prop for a reverse rotation engine. I don't think it's a pusher prop.

30/07/2020 15:58:20

Are you sure it isn't a reverse rotation prop?

Thread: Ballerina by EarlyBird
28/07/2020 10:41:14

Ziplock freezer bags filled with sand or lead shot are excellent for providing a conforming weight when sheeting wings etc.

Thread: carbon inner and outer tube wanted
23/07/2020 17:02:59

Try Bucks Composites.


Thread: Turbo Header or Adaptor plus Flexi pipe?
20/07/2020 12:38:20

I have a number of 4 st with turbo Headers (from Just Engines) and I find them excellent. They don't come loose (use PTFE tape), small and easily installed at any angle. They lower the tone of the exhaust note to a more acceptable level compared to the mfg' s (OS & Saito) silencers. Thoroughly recommended.

Thread: switch harness
17/07/2020 13:23:54

C8, I know that but can't see how you can measure a voltage drop connected directly to the battery without a switch in the circuit. How was the higher voltage measured and subsequently the lower voltage?

17/07/2020 13:12:52

Jonathan, I'm intrigued how you measured a volt drop directly connected to the battery? Where were the volts being dropped? How did you measure the "starting" voltage other than by connecting directly to the battery?

Edited By jrman on 17/07/2020 13:18:38

17/07/2020 11:57:34

I agree Peter. An invention of the Devil.devil

17/07/2020 10:57:16

Scott, Have you checked the battery voltage through the switch or charge socket compared to direct from the battery? I thought mine were fine until I discovered the volt drop. Mine were all JR switches.

17/07/2020 10:15:05

I have used them in the past but have since replaced them all with switches with charging leads not sockets. Although buying branded makes I found the volt drop across the switch and through the charge socket was excessive (just over 1v in one case).

Thread: Cleaning out a fuel soaked engine bay?
09/07/2020 18:41:08

Try liberally soaking the wood with isopropyl alcohol, let it soak and then, while it's still soaking fill the bay with rice. (not cookedwink)

Far better IMHO than talc and certainly easier to clean out.

A couple of "treatments" may be needed.

Thread: Returning after a long time away
27/06/2020 09:38:41

Mr Chinnery,

That's why I use Fibreglass and not carbonfibre arrow shafts.

27/06/2020 09:05:51

I've used fibreglass arrow shafts as push rods. Very rigid and lightweight. Hollow shafts are better than solid rods. Stiffer and lighter for comparable diameters.

Edited By jrman on 27/06/2020 09:09:34

Thread: Multiplex Smart SX / RX-5 M-Link ID 1
20/06/2020 17:33:07

Give Mike Ridley a call. He's the UK Multiplex service agent. A very helpful fella.**LINK**

Thread: The great i.c. / electric finger chopping debate
20/06/2020 10:58:53

Add JR to the list as well.

Thread: Fixing bubbles in EPP tape covering
19/06/2020 16:11:59

Gentle heat from a hair dryer rather than a heat shrinking gun should soften the adhesive allowing you to peal the old tape off.

Thread: Seagull Kits Sparrowhawk
19/06/2020 15:48:20

Don't know what formula 560 is. Google is my friend. nerdYes that looks fine

Edited By jrman on 19/06/2020 15:49:58

19/06/2020 15:31:31

If the crack is tight without tape I would just run the bead along and gently move the crack a little to work the glue in. If you use tape you will likely only put the glue on the crack and not in it. (hope that makes sense)nerd Don't use cyano as it will likely cause the canopy to go foggy.

Edited By jrman on 19/06/2020 15:33:52

Thread: PNP Repair
19/06/2020 15:24:21

Deluxe Materials list "TRICKY STICK" as a primer on Polypropylene before bonding with cyano. I'm surprised they didn't mention their own product unless you told them it was ABS.

Edited By jrman on 19/06/2020 15:27:19

Thread: Seagull Kits Sparrowhawk
19/06/2020 15:19:35

Run a bead of canopy glue along the crack. It dries clear and will be barely noticeable.

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