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Strobe bulb, max rpm, cig lighter switch

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Dee One

Joined: 29 Jun 2015
Posts: 48

Posted: Tue Aug 30, 2016 1:29 pm Post subject: Strobe bulb, max rpm, cig lighter switch

Greetings,



I have a few questions about my Allegro 2007 that I hope you can help me with.



First, I'm looking for strobe light bulbs for the strobe system that came with the plane. Let me know where I can get them. One was replaced prior to me purchasing plane, and the replacement burnt a hole through the len.



I am attempting to use the cigarette lighter receptacle for a USB charger for my iPad; however I am getting no power. Can you tell me if there is a switch to turn this on other than the ship’s master switch?



With the prop pitch setting as it is, max RPM that I get at 3000 feet is only 5000 RPM. The POH references full power at 5800 RPM. Should the prop be re-pitched in order to not overstress the engine or is 5000 RPM max acceptable?



Thanks for your response,



Dee One

leblancds(at)cox.net

~~~~~~~~~~~~~~~~

The Past is History

The Future is a Mystery

Today is a Gift

That’s Why They Call it the Present

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_________________
The Past is History
The Future is a Mystery
Today is a Gift
That’s Why They Call it the Present

hgmckay

Joined: 23 May 2006
Posts: 397

Posted: Tue Aug 30, 2016 4:56 pm Post subject: Strobe bulb, max rpm, cig lighter switch

I can't comment on the cigarette lighted receptacle issue or the prop pitch 

setting, but I can give you information on replacing the strobe lights.



I have an Allegro 2000 rather than a 2007 so I don't know if the wing tips 

on a 2007 model that house the landing light, strobe, and the nav light are 

the same as the Allegro 2000. If they are the same Go to 

www.hyper-lights.com and look for the Strobe Tube Pop In (clear) Model 

EZHIDEC, and the Strobe Power Supply (1 Head 12 Watt) Model QUICKSTROBE.



Make sure you order the Pop in one (clear) model EZHIDEC. It requires a 1" 

diameter hole. Carefully cut out the old bulb leaving exactly a 1" diameter 

hole in the fiberglass mounting. The new strobe bulb will pop in the 1" 

diameter hole. Seal around the back side of the hole with some RTV. Now 

replace the old round "hockey puck" power supply that is mounted inside the 

wing tip with the QUICKSTROBE power supply. Use the existing hole in the 

bottom of the wing tip to attach one end of the QUICKSTROBE power supply and 

some RTV to hold the other end in place. Attach the to the strobe bulb using 

the connectors provide. Read the installation sheet that comes with the 

QUICKSTROBE power supply.



Hugh G. McKay III, P.E. Fellow, L.M. ASCE

Senior Consultant

Worldwide Engineering Inc.

4090 North NC Hwy. 16

Denver, NC 28037



Ph. 704-661-8271

Fax 704-483-5466

email hgmckay(at)bellsouth.net

http://www.wwegeo.com

--

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ledson

Joined: 29 Apr 2009
Posts: 62

Posted: Tue Aug 30, 2016 6:23 pm Post subject: Strobe bulb, max rpm, cig lighter switch

Dee, 

I fly an Allegro 2000 but I would assume that power receptacles are the same.  The power receptacle is protected by a fuse that is located on the panel near the receptacle.  Check the fuse and I'm sure you will find it blown.  I had to go to an electronics store to find a replacement fuse.  BTW, the receptacle is hot all the time, so remember to remove the load from the receptacle when not in use. 



At WOT in level flight, my allegro develops 5600 RPM.  This is also about 5100 RPM static.  



I hope this is helpful.  



Safe flying! 



Larry Edson

Allegro 2000

N4362C



Sent from my iPad



 	  Quote: 	
		   On Aug 30, 2016, at 5:29 PM, Dee One <leblancds(at)cox.net> wrote:

 

 

 

 Greetings,

 

 I have a few questions about my Allegro 2007 that I hope you can help me with.

 

 First, I'm looking for strobe light bulbs for the strobe system that came with the plane. Let me know where I can get them. One was replaced prior to me purchasing plane, and the replacement burnt a hole through the len.

 

 I am attempting to use the cigarette lighter receptacle for a USB charger for my iPad; however I am getting no power. Can you tell me if there is a switch to turn this on other than the ship’s master switch?

 

 With the prop pitch setting as it is, max RPM that I get at 3000 feet is only 5000 RPM. The POH references full power at 5800 RPM. Should the prop be re-pitched in order to not overstress the engine or is 5000 RPM max acceptable?

 

 Thanks for your response,

 

 Dee One

 leblancds(at)cox.net

 ~~~~~~~~~~~~~~~~

 The Past is History

 The Future is a Mystery

 Today is a Gift

 That’s Why They Call it the Present

 

 --------

 The Past is History

 The Future is a Mystery

 Today is a Gift

 That’s Why They Call it the Present

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=460053#460053

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N456TS

Joined: 15 Aug 2015
Posts: 70

Posted: Wed Aug 31, 2016 12:22 pm Post subject: Re: Strobe bulb, max rpm, cig lighter switch

WOT at 5k is too low.  It could be over pitched or the engine is producing low power.  You posted before about your engine running rough.  Did you solve that (and what was the issue)?  What CHT and EGT temps are you getting under this condition?

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N456TS

N456TS

Joined: 15 Aug 2015
Posts: 70

Posted: Mon Sep 05, 2016 7:03 pm Post subject: Re: Strobe bulb, max rpm, cig lighter switch

 	  Quote: 	
		  Regarding the rough running engine, I have still not solved that issue. It seems to have smoothed out marginally with additional running hours. The plane sat unused for one and a half years before I purchased it, Tuned the engine, including a carb balance, and started running it again.  The previous owner said that this 912 80 HP engine should run smooth at any RPM. Any ideas would be appreciated. 	




I would solve your engine issues before adjusting the prop.  If you adjust the prop, it will only be masking the real problem.

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N456TS

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