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Old Nov 04, 2012, 12:32 PM
jefffassbinder is offline
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Build Log

BVM Viper came back home


Well I got my old Viper back. It was in need of some TLC since it bit the dust from it's owner after me had a controller issue. I had to bring out paint swatches to match it's new scheme but I have managed to repair the wing at this point and the stabs. Going to try to keep it really light. I want to take it down to a 90mm I've done 120-100s myself and will do a 90mm and set CG accordingly. It had some struts and on it and BVM wheels but I'm thinking light so I may just use traditional rod and some good old dubro or robart wheel. Light, also the 90 mm is a TJ90 with wemo rotor and 1515 2Y motor. It has a lower KV but should have plenty of air. So I need to build a few formers for the nose section as this was destroyed. It has been rebuilt on the inside. Now I need to sand. All electronics need to be gone through. Just to make sure no servo pots are damaged. And will give me a chance to redo the wiring internally.

Well the BVM Viper lives again!
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Old Nov 04, 2012, 12:40 PM
pdawg is offline
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Need 4 Speed!
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Nice score! It's a classic IMO!
Old Nov 04, 2012, 09:31 PM
pulsar110 is offline
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Depending on the weight you might look at the MPI aluminum wheels. Tam has them, he told me some time ago that they would be good to about 10 pounds. They look light weight and sharp. Just ordered a set of my Super Sniper XL
Old Nov 04, 2012, 11:28 PM
jefffassbinder is offline
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MPI Wheels


I will take a look at those. I know I had tried them on another project but traction was a problem. But maybe, doesn't hurt to taxi test and see how it handles. I'm working the speed brake on the bottom of wing hinge and servo. Then need to add in the servos and gear. I'm using springair as I had these before and they worked well in this airframe. I will be doing a overhaul on them cleaning and taking apart then getting the o lube out to get the orings lubed up. Nose is still calling for attention. I have to finish the hatch paint and masking. Intake ducting needs to be sanded and then I can start some electronics on the fuselage.
Old Nov 04, 2012, 11:45 PM
corsair nut is offline
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fly like an EAGLE ;)
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i had those on my jhh cougar at 14 lbs. loved them.
Old Nov 06, 2012, 07:49 PM
db_sonic is offline
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I've got the MPI wheels on my BVM Viper and they work okay but they have come off and dont stand up to the braking...so to be honest if I had to do it again I would go with Tam's Pro Lite wheels. I have those on the JHH F86 and it does much better. They look better too.

Jeff, Are those pics all the same Viper or 3 different ones?
Old Nov 06, 2012, 07:51 PM
Hossinarizona is online now
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More Speed Indeed!
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Quote:
Originally Posted by jefffassbinder View Post
I will take a look at those. I know I had tried them on another project but traction was a problem. But maybe, doesn't hurt to taxi test and see how it handles. I'm working the speed brake on the bottom of wing hinge and servo. Then need to add in the servos and gear. I'm using springair as I had these before and they worked well in this airframe. I will be doing a overhaul on them cleaning and taking apart then getting the o lube out to get the orings lubed up. Nose is still calling for attention. I have to finish the hatch paint and masking. Intake ducting needs to be sanded and then I can start some electronics on the fuselage.
Are these the wheels, I have a Super Sniper Xl and need some replacements.

http://www.rcdude.com/servlet/the-56...b-Light/Detail
Old Nov 06, 2012, 07:55 PM
Hossinarizona is online now
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More Speed Indeed!
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Quote:
Originally Posted by db_sonic View Post
I've got the MPI wheels on my BVM Viper and they work okay but they have come off and dont stand up to the braking...so to be honest if I had to do it again I would go with Tam's Pro Lite wheels. I have those on the JHH F86 and it does much better. They look better too.

Jeff, Are those pics all the same Viper or 3 different ones?
I looked at Tam's site and could only find the Pro Lites in sets with retracts and brakes. Does he sell just the wheels seperately.
Thanks for the help in advance.
Old Nov 06, 2012, 08:00 PM
db_sonic is offline
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Yes, those are the very same MPI wheels but Tam's setup uses a brass bushing.

I noticed that too. But I think Tam would sell a set of wheels only tho you need to tell him axle size. They are nice wheels.
Old Nov 06, 2012, 09:24 PM
RCSCALEGUY is offline
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3 Viper


Looks like Jeff has a few birds.
Old Nov 06, 2012, 09:29 PM
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These are all the same airplane


Hossinarizona, these images are all the same bird that has had many transformation. I initially had this as a glow engine Viper and it hauled. Then I converted to electric at 120mm and it moved alright considering it was back in the 20-25c days and batteries are not what they are today. Then I had to cut in the forward hatch to access batteries. I'd rather have a hatch line then hangar rash from having to access another way. Currently, it is in it's Luftwaffe state. I will continue with this scheme and repair in this manner. I have a set of light thin Hanger 9 wheels that I've used on my A-7 Corsair on the nose. I will give these a try as they are thin and light for mains. Gear and wires are in so wing is done. Need to work on the nose gear area and then the hatch improvement.
Old Nov 06, 2012, 10:12 PM
efflux RC is offline
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We have the wheels with 3 sizes of plastic bushings included. Be sure to epoxy the tire to the rim.
Sold in pairs.
http://www.effluxrc.com/WHEELS_c38.htm
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Old Nov 07, 2012, 09:31 AM
SCALEFAN is offline
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Done it all
My advice, get the wheels with plastic bushings. Tam's brass bushings are a tight fit, need to be oiled on a regular basis, tend to freeze up when you need them. The slightest scratch, dirt etc will cause the bushings to freeze.
Old Nov 07, 2012, 01:04 PM
mcgoughman is offline
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Mil-Spec
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Hey Jeff, looks like your are putting that KFIR $$$ to good use. Cant wait to see it fly..... The Viper and the KFIR that is
Old Nov 07, 2012, 01:53 PM
stoneenforcer is offline
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High Dynamic Thrust
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Quote:
Originally Posted by SCALEFAN View Post
My advice, get the wheels with plastic bushings. Tam's brass bushings are a tight fit, need to be oiled on a regular basis, tend to freeze up when you need them. The slightest scratch, dirt etc will cause the bushings to freeze.
good advice. the brass bushing are real bad and usaully bind.

** and since someone bought the KFIR I so badly wanted, I had Larry ship me a kit. Arrives tomorrow for some build time. :-))


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