• There seems to be an uptick in Political comments in recent months. Those of us who are long time members of the site know that Political and Religious content has been banned for years. Nothing has changed. Please leave all political and religious comments out of the forums.

    If you recently joined the forums you were not presented with this restriction in the terms of service. This was due to a conversion error when we went from vBulletin to Xenforo. We have updated our terms of service to reflect these corrections.

    Please note any post refering to a politician will be considered political even if it is intended to be humor. Our experience is these topics have a way of dividing the forums and causing deep resentment among members. It is a poison to the community. We appreciate compliance with the rules.

    The Staff of SOH

  • Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.

    Post 16 Update

    Post 17 Warning

RAZBAM Harrier WIP

LUCE1 said:
Still odd,
i can't see any part of NATOPS manuals, from A1-AV8BB-NFM-000 (aka dash-0) trough A1-AV8BB-NFM-700, where hover is discouraged or worse deprecated.
Hover is a fundamental part of offshore procedures, as stated in NAVAIR-00-80T-xxx manuals series.
Dash-0 has a paragraph dedicated to hover:

since hovering requires high power settings there are obviously some rpm/jpt/time limits as showed into below figure, within these limits hover is allowed and can be done without limitations.
May be you are using different flight/technical manuals ?
cheers.
View attachment 66832
Click to expand...

Don't confuse hovering - maintaining a stationary position in the air - with vertical take-off and landing. Those are different procs. The aircraft was built for VTOL and STOL. Although STOL is preferred, less strain on the engine. Hovering is a different beast and the strain in the engine is too much. If I recall correctly engine life when hovering can be counted on minutes. There is an entire section regarding VTOL and STOL operations and those stress the DO NOT HOVER line.
 
@LUCE1, you are correct. I was misreading some warnings. But the main thing is that hovering is a transitional period while doing vertical take-off and landings. Specially on landings. But the engine life issue, still stands.

408 Engines have a medium life of 1000 hours or 50,000 counts. Hovering uses aprox 1,500 counts per minute since the engine is near the red line. You are losing 30 hours of engine life for each minute of hovering.
 
ZEUS67 said:
Don't confuse hovering - maintaining a stationary position in the air - with vertical take-off and landing. Those are different procs. The aircraft was built for VTOL and STOL. Although STOL is preferred, less strain on the engine. Hovering is a different beast and the strain in the engine is too much. If I recall correctly engine life when hovering can be counted on minutes. There is an entire section regarding VTOL and STOL operations and those stress the DO NOT HOVER line.
Click to expand...
Not confusing at all.
Leave aside the vertical takeoff evidently not needed for operational activity and that is mainly used in air shows.
I think it's pretty obvious that the subtle difference that you do between hover and VL is specious, it is clear that making a vertical landing is necessary to hover, just think of the deck landing procedures (hover and cross).
Well in paragraph 7.6.4 of the dash-0 that covers the VL on p. 7-49 there is no mention of "DO NOT HOVER":
7.6.4 Vertical Landing (VL)
The vertical landing, Figure 7-4, is commenced from a 50 to 60 foot AGL hover. Landing should be made pointing
into the wind to minimize exhaust reingestion.
1. Start a slow descent with the throttle.
2. Monitor ground references.
3. Maintain heading and adjust attitude and roll as necessary to correct for drift.
4. Maintain positive rate of descent. Avoid stopping in ground effect. Some throttle reduction may be required
if descent rate is slow since the aircraftwill tend to stop in the area ofmaximum LIDS capability (5 to 10 feet).
Additionally, surface winds in excess of 10 knots may degrade LIDS performance and may require a
corresponding coarse power correction just prior to touchdown.
Note
If strakes or gun pods are not installed some suck-down effect is present.
A power increase may be required near touchdown to prevent excessive
sink rate.
When positively down:
5. Throttle — IDLE.
6. Brakes — APPLY.
7. Nozzles — AFT.
8. Trim — 4° ND.
9. Water OFF (if selected).
Click to expand...
below 7-4 figure "Vertical landing"
View attachment 66834
 
ZEUS67 said:
@LUCE1, you are correct. I was misreading some warnings. But the main thing is that hovering is a transitional period while doing vertical take-off and landings. Specially on landings. But the engine life issue, still stands.

408 Engines have a medium life of 1000 hours or 50,000 counts. Hovering uses aprox 1,500 counts per minute since the engine is near the red line. You are losing 30 hours of engine life for each minute of hovering.
Click to expand...
sorry we cross answers.
However the only drawbacks to hover is a in-ground-effect hovering to avoid engine gas and/or FOD ingestion as reported by AFM.
About engine life no problems a s long you stay below rpm/jptl limits, engine life interest also other fields such as combat etc..
cheers
 
Some pics on latest developments
A/A Radar almost ready:
View attachment 68187

RWS = Range While Search. Targets are displayed but not tracked.
TWS = Track While Scan. Targets are tracked. Vector information is displayed. it is possible to lock on a target and attack it.
VS = Velocity Search. Targets are displayed regarding closure rates.
STT = Single Track Target. A single selected target is displayed. All the others are disregarded and the radar screen uncluttered. Steer instructions are displayed. All these modes will be available.
A/G radar is next, as well as in-built FLIR

Some exterior pics:

View attachment 68188

View attachment 68189

View attachment 68190

View attachment 68191

Best regards

Prowler
 
Here a couple of repaint WIP shots.......:salute:

HarrierII1.jpg


HarrierII2.jpg



Cheers,
Hank
 
Warhawk1130 said:
And I quote Ron, from this last weekends facebook page, that the harrier is due out in less than 20 days.
Click to expand...

And this Razbam Harrier Plus it is on top of my "priority 1" / "absolutely must buy" list.

Keep us posted about its availability !
:applause::ernae::applause:
VaporZ
 
Consider this an instant buy for me.. I'll be waiting over there with my credit card.. Hasn't 20 days already passed?

Sent from my DROID BIONIC using Tapatalk 2
 
You must log in or register to reply here.
Back
Top