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13th Nov 2014, 23:38
Replies: 340
Views: 108,969
Posted By motzartmerv

And there is the problem Dexta. My school has had...

And there is the problem Dexta. My school has had similar stories.
13th Nov 2014, 22:53
Replies: 340
Views: 108,969
Posted By motzartmerv

Sad turn of events, for Jab and the RAA. Makes us...

Sad turn of events, for Jab and the RAA. Makes us all look like a pack if diks really. I hope Jab come to the party and initiate real change, and I hope CASA can relax their grip around the throats...
8th Jul 2014, 23:54
Replies: 85
Views: 16,873
Posted By motzartmerv

Yes, speculate away, for all the good it will do....

Yes, speculate away, for all the good it will do. My point was that there was 4 posts offering some form of human condolence, and then the experts pipe up, in the usual fashion. Saying its just how...
7th Jul 2014, 09:31
Replies: 85
Views: 16,873
Posted By motzartmerv

What a sad day. Sad for several reasons. Sad the...

What a sad day. Sad for several reasons. Sad the aviation has lost one of the last true gentleman pilots, that would give the shirt of his back to help a budding pilot out. And sad we have to listen...
21st Jan 2014, 10:48
Replies: 179
Views: 70,369
Posted By motzartmerv

Lol.Lets hope insurers dont read prune huh?..Or...

Lol.Lets hope insurers dont read prune huh?..Or we'd all be stuffed..
21st Jan 2014, 10:28
Replies: 179
Views: 70,369
Posted By motzartmerv

From the current maintenance manual for the 2200...

From the current maintenance manual for the 2200 engine.

Aero Oil W Multigrade 15W-50, or equivalent
Lubricant complying with MIL-L-22851C, or
Lycoming Spec. 301F, or Teledyne
...
21st Jan 2014, 08:40
Replies: 179
Views: 70,369
Posted By motzartmerv

Good onya jet. Glad jab have treated you well,...

Good onya jet. Glad jab have treated you well, but like you said, you havnt had any issues with your engine yet ay? So applaes for apples..your selling oranges.
When did DS say he ran a mixture of...
21st Jan 2014, 06:05
Replies: 179
Views: 70,369
Posted By motzartmerv

More importantly, the annomoly would show up in...

More importantly, the annomoly would show up in the num,bers. There is no evidence to suport EITHER fuel being more or less "unreliable" in jab engines that im aware of. If 98 octane was causing...
21st Jan 2014, 02:49
Replies: 179
Views: 70,369
Posted By motzartmerv

2 dogs. i dont think you flew a jab that revved...

2 dogs. i dont think you flew a jab that revved at 5000 rpm. A rotax powered jab perhaps?
I agree though. We should have better engines avialable. I recall jabiru brought out a recommendation that...
20th Jan 2014, 23:11
Replies: 179
Views: 70,369
Posted By motzartmerv

Wow..shandies now. What else can we come up with?

Wow..shandies now. What else can we come up with?
20th Jan 2014, 22:15
Replies: 179
Views: 70,369
Posted By motzartmerv

Ok thanks. I thought Deadstick gave a pretty...

Ok thanks. I thought Deadstick gave a pretty detailed explanation about both failures, with an engine report aswel. I was just relaying what happened from the cockpit. Not being an engineer I am...
20th Jan 2014, 21:51
Replies: 179
Views: 70,369
Posted By motzartmerv

the 2200 (J160 ) Failed on startup. ran rough and...

the 2200 (J160 ) Failed on startup. ran rough and spluttered. pulling ther prop through by hand we found a cyliner to have zero compression.
20th Jan 2014, 21:34
Replies: 179
Views: 70,369
Posted By motzartmerv

Detonation doesnt cause rough running?

Detonation doesnt cause rough running?
20th Jan 2014, 12:21
Replies: 179
Views: 70,369
Posted By motzartmerv

Jaba. There are two separate engines being...

Jaba. There are two separate engines being discussed here.
The J230 was a CHT overheat event. I highly;y doubt it was pre ignition or detonation as the engine gave no rough running sympotm at all,...
20th Jan 2014, 11:36
Replies: 179
Views: 70,369
Posted By motzartmerv

The engine we are talking about was run on 98...

The engine we are talking about was run on 98 Mogas.
Was this what caused the valves to fail?
20th Jan 2014, 11:21
Replies: 179
Views: 70,369
Posted By motzartmerv

Yea, sudden uncommanded flap retraction makes the...

Yea, sudden uncommanded flap retraction makes the aeroplane unserviceable in my opinion. If you flew it in that state...more power to ya brother. :)
20th Jan 2014, 10:55
Replies: 179
Views: 70,369
Posted By motzartmerv

Yes yes. I get that. But, im saying that clearly...

Yes yes. I get that. But, im saying that clearly there are engines that are designed to run on both types of fuel. My question is, what, if any measures do operators of these engines have to take...
20th Jan 2014, 10:39
Replies: 179
Views: 70,369
Posted By motzartmerv

Do Jabiru certify mogas in their engines? If so...

Do Jabiru certify mogas in their engines? If so are there any modifications needed (IAW with the maintenance manuals) to account for this issue?
Another question. How do other aircraft engines that...
20th Jan 2014, 10:23
Replies: 179
Views: 70,369
Posted By motzartmerv

hey Bob. No judgment mate. Just a possible...

hey Bob. No judgment mate. Just a possible explanation to his woes..Which you subsequently provided further evidence for. Judgment? or discussion..?

Ive not come across that problem in jabs. You...
20th Jan 2014, 06:50
Replies: 179
Views: 70,369
Posted By motzartmerv

Yea, hafta agree. It seems your engines were...

Yea, hafta agree. It seems your engines were idling to slow.
I once did the testing for a Jab powered homebuilt. For some reason, the engine would idle normally on the ground, but in flight would...
20th Jan 2014, 05:51
Replies: 179
Views: 70,369
Posted By motzartmerv

Why would they need a log book to explain how and...

Why would they need a log book to explain how and why an engine failed? Its simple. They pull it apart, find the broken bit. The blaming of the operator (need for log book) would come later yea?...
20th Jan 2014, 05:16
Replies: 179
Views: 70,369
Posted By motzartmerv

Not sure XXX. Id be very reluctant to send...

Not sure XXX. Id be very reluctant to send anything to the factory that i wanted back:)
Thank you for the positive comments regarding putting the planes on line with another school. The owner just...
20th Jan 2014, 05:02
Replies: 179
Views: 70,369
Posted By motzartmerv

I should add, I was referring to the J230 engine...

I should add, I was referring to the J230 engine overheat. Not the4 J160 with the lemmon engine.
20th Jan 2014, 04:58
Replies: 179
Views: 70,369
Posted By motzartmerv

Yes, i was at the controls when this particular...

Yes, i was at the controls when this particular engine fried.
It happended within a few seconds and there wasnt much i could do about it.
I am a little tired of hearing about the "operator error"....
30th Jan 2013, 06:08
Replies: 17
Views: 1,496
Posted By motzartmerv

Good idea:ok:. At least check it out.

Good idea:ok:. At least check it out.
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