motor12

I am running a DLE20 gas engine. I want to use a 7.4v lipo battery for the ignition that has to be 6.0 volts or less. I have an Align in line step down voltage reg. that is rated at 5.1v that I was using in my heli. This in line regulator was used to reduce voltage in the tail servo. Can I use this same regulator for the DLE20 ignition. Thanks.

flyinwalenda

My Feedback: (5)

Depends what the input voltage limit is and what max current it can handle. If the input voltage can accept 8.4v (approx. max charge of a 2 cell lipo) and if it can supply around 1.5 amps it should work.

motor12

Not sure of the input voltage or the max current. I wanted to use it because of its small/light size. I don't want to chance it so I think I will abandon the idea. Thanks for the input.

daveopam

My Feedback: (9)

I have used these before. http://www3.towerhobbies.com/cgi-bin...2&I=LXWNS2&P=K It's not what it's designed for but it's cheap and light.


David

av8tor1977

My Feedback: (6)

An RCEXL ignition draws around 600 milliamps at high rpms. So if your voltage regulator is rated at 1 amp or more, you have more than sufficient current handling capability to run your ignition with a safe reserve. The old original ignition on the Zenoah engines is a different animal. It draws much more current.

AV8TOR

pilotpete2

Why not consider running a single battery in your 20cc setup with a Tech-Aero IBEC that provides the a choice of voltage outputs and gives you the extra security of having ignition kill from the radio.
Tech-Aero Designs LLC
Pete

pilotpete2

Why not consider running a single battery in your 20cc setup with a Tech-Aero IBEC that provides the a choice of voltage outputs and gives you the extra security of having ignition kill from the radio.
Tech-Aero Designs LLC
Pete

flyinwalenda

My Feedback: (5)

Just did a quick search. Is this what you want to use?
http://www.hangar-9.com/Products/Sup...dID=AGNK10381A

If so it appears to take 6v in and regulate it to 5.1v out. Looks like its used in conjunction with the Align RCE-B6X regulator that takes a 7.4v lipo in and regulates it to 5.8v out.

motor12

That's the one, looks like it can't be used as stand alone voltage reg. Thanks

flyinwalenda

My Feedback: (5)

Without any real specs on that unit I wouldn't risk it. Just get a BEC (Battery Eliminator Circuit) similar to the one listed above. They are used in electric set-ups so you have a constant regulated power source to the receiver. It's in essence a regulator that can a handle high voltage input,

Truckracer

My Feedback: (19)

The Align step down is no more than a single diode in series with the power lead. Not a regulator at all. The forward biased diode just drops the voltage the standard amount that most any diode does.

I recommend a good IBEC such at the Tech Aero unit ... the same as several others have recommended.

PHall

http://www.troybuiltmodels.com/items/QRI.html

drac1

My Feedback: (4)

i agree.

I've been using the Tech-Aero plugged directly into the Rx for a few years. Works great and not one problem.

up_in_smoke

if this is what you want to use then yes you can http://www.ebay.co.uk/itm/like/27126...ff14=95&ff19=0

flyinwalenda

My Feedback: (5)

The OP stated he only has the dongle part or just wanted to use the dongle. Apparently that is only a single diode wrapped up in shrikwrap. He could connect it to the 7.4 lipo but it would still be providing close to or over 7 volts to the ignition.depending on the battery charge.

BarracudaHockey

My Feedback: (11)

Wrongway RC has a voltage drop with a single diode for A123 and another with 2 diodes for LiPo

www.wrongwayrc.com