Search: Posts Made By: XJet
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Forum: Glow Engines
03-23-2009, 06:34 PM
Replies: 37
Views: 2,984
Posted By XJet

RE: How do I remove con-rod from crank shaft on my Saito 125??

The difference between a poor oil and a good oil often only becomes apparent under exceptional circumstances.

Good oil is like insurance if you're lucky, you don't need it. If you're not...
Forum: Glow Engines
03-23-2009, 03:26 PM
Replies: 37
Views: 2,984
Posted By XJet

RE: How do I remove con-rod from crank shaft on my Saito 125??

Gosh Ed, you must have pretty lousy consumer protection laws over there.

Here, unless the dismantling/re-assembly of the engine had clearly caused damage, a supplier couldn't duck their...
Replies: 4,979
Views: 777,560
Posted By XJet

RE: New Hitec Aurora 9-Channel 2.4Ghz Radio System

Good news Mike, I look forward to Reviewing it when it hits the stores.
Replies: 4,979
Views: 777,560
Posted By XJet

RE: New Hitec Aurora 9-Channel 2.4Ghz Radio System

Mike, it sounds like a great product but can you tell is whether it's had more testing than the Optic 6 did before it was released?

Almost all the major manufacturers have had serious problems...
Replies: 2
Views: 692
Posted By XJet

RE: Does anyone remember Aero Pack International's "G-pack" foam?

I remember "G Pad" foam that was touted as the best thing since sliced bread for protecting your radio gear.

Exactly the same stuff is now used to make ground-pads for camping. It's a...
Forum: Glow Engines
03-18-2009, 02:51 AM
Replies: 407
Views: 33,342
Posted By XJet

RE: Saito 115 cam lubrication

It's not quite as simple as that Dar (and I think you know that :-))

The lubrication system in an auto-engine is far more sophisticated than simply throwing some oil in with the fuel, as is the...
03-16-2009, 08:12 PM
Replies: 1
Views: 833
Posted By XJet

Long-EZ 46 and Bobcat 52???

Since I've been fitting pulsejets to the Long-EZ .46 and the .50-sized Bobcats, lots of people have been asking me where they can buy these ARFs in the USA but NitroPlanes seems to be out of stock.
...
Forum: RC Jets
03-16-2009, 07:56 PM
Replies: 3,999
Views: 555,796
Posted By XJet

RE: Nitro models pusher Bobcat?

Is the factory that makes the bobcats even still in business?

Since I started making pulsejets for these ARFs (and the Long-EZ), all supply of them seems to have dried up so now I'm looking for...
Forum: Glow Engines
03-16-2009, 02:34 PM
Replies: 14
Views: 1,116
Posted By XJet

RE: What prop to use on a S.T. G90 ?

A 14x6 will give you good vertical and quick acceleration on take-off but a 13x8 will give you a *slightly* higher top-speed.

It's also worth trying a MAS 13x6 Scimitar, these have worked *very*...
Forum: Glow Engines
03-16-2009, 02:43 AM
Replies: 24
Views: 2,501
Posted By XJet

RE: 2 dead Saito's in a row

I get my Saito parts from the USA via friends who are happy to buy them and post them off to me here in NZ.
Forum: Glow Engines
03-13-2009, 02:14 PM
Replies: 190
Views: 22,449
Posted By XJet

RE: why are OS Type F glow plugs so expensive?

I have an HP .21VT and it's a real darling of an engine.

Quieter than any of the electrics at our field but not what you'd call "powerful". It'll swing a 9x6 at around 9,500rpm which isn't too...
Replies: 5
Views: 1,005
Posted By XJet

RE: servo pulling power

You confuse force with torque.

The torque is measured in oz-inches so a typical hi-torque servo might have (say) 160 oz/in of torque. 160oz is 10lbs but that's the force the servo exerts at a...
Forum: Glow Engines
03-12-2009, 01:52 PM
Replies: 397
Views: 59,499
Posted By XJet

RE: Tapered-Bore Engine Break-in - Upgraded

Remember that although engineers design and build engines, it's probably *not* an engineer that writes the manual.

This means that even companies such as OS are open to mistakes. It's much...
Replies: 6
Views: 2,479
Posted By XJet

RE: Hobbyking or Hobby city 2.4ghz questions

Review is now up: Hobby King 2.4GHz RC system
Forum: Glow Engines
03-10-2009, 12:42 AM
Replies: 8
Views: 872
Posted By XJet

RE: Anybody have a Thunder Tiger .61?

Do you want a GP61 prop driver. I've got one I'm not using. PM me with your address and I'll pop it in the mail if you like.

____________
When I'm not here I'm at RCModelReviews
Forum: Glow Engines
03-09-2009, 02:22 PM
Replies: 190
Views: 22,449
Posted By XJet

RE: why are OS Type F glow plugs so expensive?

I've used the Fox Miracle plug and found it to be a false economy. An OS-F (and in 2-strokes an OS#8) will last quite literally for years of flying. The Fox plugs only lasted about six months...
03-05-2009, 04:08 PM
Replies: 9
Views: 1,269
Posted By XJet

RE: About to give up on RCU

But it doesn't say the sig is locked just "offline for database management". I would have thought that they would at least have the good grace to be honest if they believe I've infringed the rules....
03-05-2009, 03:20 AM
Replies: 9
Views: 1,269
Posted By XJet

03-05-2009, 03:16 AM
Replies: 9
Views: 1,269
Posted By XJet

RE: About to give up on RCU

And now I see that the pictures (screen captures) which should have been uploaded do not appear.

Sigh!
03-05-2009, 03:15 AM
Replies: 9
Views: 1,269
Posted By XJet

About to give up on RCU

I've had run-ins with moderators regarding my wish to be honest and forthright in respect to certain products of dubious performance here on RCU but that's fine.

However, what's really annoying...
Forum: Glow Engines
03-04-2009, 04:39 PM
Replies: 17
Views: 9,881
Posted By XJet

RE: How hot does 4 stroke exhaust get?

I meant to say that zinc expands at a 50% faster rate than aluminum
Forum: Glow Engines
03-04-2009, 04:37 PM
Replies: 17
Views: 9,881
Posted By XJet

RE: How hot does 4 stroke exhaust get?

Actually, many of the low-temp aluminum brazing alloys do lose a *lot* of strength at temps as low as 500deg F.

But, often just as important is the fact that many of these brazing alloys have a...
Forum: Glow Engines
03-04-2009, 02:32 PM
Replies: 99
Views: 6,037
Posted By XJet

RE: TT .46 Pro Failure

When a friend of mine suffered a similar failure with his TT46Pro we found that the piston did have some scoring (but the liner was fine).

I got him to run it really hard with a brew of fuel...
Forum: RC Fuels
03-03-2009, 02:43 PM
Replies: 74
Views: 8,995
Posted By XJet

RE: Is Cool Power cool fuel?

Just buy their "Super Techniplate" oil, it has the castor already in it.
Forum: RC Fuels
03-03-2009, 03:09 AM
Replies: 74
Views: 8,995
Posted By XJet

RE: Is Cool Power cool fuel?

Morgans make great claims for their anti-corrosion additives but the reality is that PAG and ester-based synthetics don't provide good protection against rust.

Anyone using a pure synthetic is...
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