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The blade rotation of the 4 C-130 engines...


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I know this is a silly question. But before I start gluing the 'Prop-Blur' P/E blades to the actual hubs. All 4 engines rotate clockwise, correct? I could swear I had a pic of a C-130 landing in Panama on a typical 100+ humidity day, with the spirals coming from the props. But I have no Idea what I did with it...

 

TIA

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Just look at any C-130 pic and you can see the blades and which way they'd rotate: counter-clockwise as viewed looking head on, or clockwise if you're in the cockpit looking forward.

1000w_q95.jpg

1000w_q95.jpg

 

Edited by ziggyfoos
grammar
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They definitely all spin the same way.

 

I used to adjust the synchrophaser manually in the cockpit until they went to solid state electronics. These adjustments automatically synchronizes all propellers so that they rotate at the same speed. It cut down on vibrations and increased crew comfort and efficiency.

 

I can’t imagine if one engine was spinning in another direction. That would be a nightmare.

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Scooby, Thank you for your service! I truly appreciate hearing from a "crew"! It's this kind of interaction, that makes this site amazing!!!

 

Edited so as NOT to offend...

Edited by MattP
"Offended" the sensitives...
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  • 3 weeks later...
On 8/7/2024 at 5:33 PM, Scooby said:

They definitely all spin the same way.

 

I used to adjust the synchrophaser manually in the cockpit until they went to solid state electronics. These adjustments automatically synchronizes all propellers so that they rotate at the same speed. It cut down on vibrations and increased crew comfort and efficiency.

 

I can’t imagine if one engine was spinning in another direction. That would be a nightmare.

 

Had a few syncrophasers on the old MC-130 that would wander off and the engineer would unsync them all and then re-sync them up. Was a lot of vibration for that brief period of flight. 

 

Cheers...Ron 

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  • 1 month later...

I had a Flight Engineer (P-3s) that if he was feeling particularly evil would adjust the synchrophaser until the prop vibration was right at your station. As he would adjust you could actually feel the vibration move fore and aft through your body.

Edited by DonSS3
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On 8/8/2024 at 12:33 AM, Scooby said:

I can’t imagine if one engine was spinning in another direction. That would be a nightmare.

 

The A400M does this, the 2 props on each wing spin in opposite directions. Engines 1 & 3 rotate clockwise, whilst 2 & 4 are anti-clockwise.

 

----------------

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On 8/23/2024 at 5:42 PM, aircommando130 said:

 

Had a few syncrophasers on the old MC-130 that would wander off and the engineer would unsync them all and then re-sync them up. Was a lot of vibration for that brief period of flight. 

 

Cheers...Ron 

I LOVE THIS FORUM!!! Actual crew giving first-hand info!!!

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  • 1 month later...

Maybe it would've been better if I said 'crew'. Would that've made you happy??? Must be nice to have nothing else to do in your life, other than to nit-pick somebody's thread 4 MONTHS later... Seriously, for &#$% sake people...... 

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Thanks Habu2😄(Said in my best Joe Pesci voice)😄 I WAS kinda RANTING from my soapbox there, wasn't I... 🥵. Sorry MoFo...

Edited by MattP
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  • 3 months later...

This was shot at Pope AFB in the summer of 1988.  I was doing a 2 week currency Toure with the Army flying OH-58A's.

 

On my last day i spent an hour near Base Ops shooting the C-130's do touch and goes streaming feathers off the props.

 

BryanC-130x_xx0331_PopeAFB_9-19-88_BryanWilburn_CR_SM.thumb.jpg.da4c7ec9a723aad2ad27790cf6c23d5a.jpg

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