Show us your elec conversions.

[peluni1]

I have planed to convert a 84" B25 eany sugetions to motor cize.

[iFLYrc_Vic]

Originally Posted by peluni1

I have planed to convert a 84" B25 eany sugetions to motor cize.

There are a few things I need to know before making any recommendations. First, you need to know how much the plane will weigh. Then you can choose the power system that includes the motor, battery, ESC and prop.

I have a 71 inch B-25 that weighs about 11.5 lbs. I use a 4S 4000mah battery, 80 amp ESC, 11 x 8.5 3-blade props and a Scorpion 4020-8 motor for each side. This gives me about 785 watts per side OR 1570 Watts total. Therefore I have about 136 watts per pound. This is the number that is very important - watts per pound. You want 100-120 watts per pound for that type of airplane.

As you can see, you can't just say "use this motor". You have to pick and choose the required pieces of equipment (motor, battery, ESC, Prop) that will give you the desired "watts per pound".

Hope this helps explain how to choose your motor.

[oem flyer]

Originally Posted by peluni1

I have planed to convert a 84" B25 eany sugetions to motor cize.

Check this out. Scroll to the botom of the page.
http://www.espritmodel.com/hacker-a5...es-motors.aspx

[tampaflyer]

i have flown a 101" PBN nomad(think pby catalina) and a KMP p-38 .. both flew on power 60s,80a ESCs, and 5 cells per side.. both flew great

[kyleservicetech]

Originally Posted by oem flyer

Check this out. Scroll to the botom of the page.
http://www.espritmodel.com/hacker-a5...es-motors.aspx

I've got eight Hacker motors, including two A50-12S and one A50-16S motors. Every one of these motors performs to their specifications. Some are on their fifth flying season, and have been absolutely trouble free.

[BEAR-AvHistory]

Building a Seagull Zero as an EP plane with 1600 watts under the cowl.....hope its enough as the 2050 watt motor has some fit issues.

[iFLYrc_Vic]

I have switched to electric flying and have sold all of my glow planes. I decided to convert my Great Planes Lancair 60 to electric. Here are the specs:

Motor: OS Motor 5025 375kv 1550 Watts
ESC: Castle Creations ICE 100 AMP
Batteries: Two 4S 4200mah 35C (8S)
Prop: 14 x 7E APC (1300 Watts)
AUW: 10.4 lbs

I have not flown the plane yet but I think it will fly pretty much like the glow version. I may even be a little faster with this 125 watts/pound setup. I can go up to a 14 x 10E prop and get around 1500 watts if required.

[flypaper 2]

Refurbishing an old favorite I bought in 95 from a flying buddy who built it around 1990. This is the Corby Starlet. It had a Quadra 42 that I flew for many yrs. Cleaned off half a wing panel about 5 yrs ago and it sat in the garage ever since. Converting it to electric with the same system as in the Cap 10B. I put the booster tabs on the ails and rudder to take the load off the servos. It was like putting the next sized bigger, faster servos in the plane. Going to do the same with the elevators in the overhaul. Covering material is from HK and works every bit as good as Ultracote.
Some of you may remember the giant servos we used to use back then. Pic shows the comparative size to todays standard servos that have the same or more thrust.

Gord.

[SARG5]

SARG5
From Kansas here.
Working on Nitro to Elect. conversion. Sig Kavalier. Anyone out there
DONE THIS ONE
SARG5

[Turner]

Originally Posted by flypaper 2

...I put the booster tabs on the ails and rudder to take the load off the servos. It was like putting the next sized bigger, faster servos in the plane. Going to do the same with the elevators in the overhaul...

So how do you rig that up? Does the servo only move the tab?